How Chemical Delivery Systems Are Customized for Specific Applications

Many types of industrial plants and research centers use chemicals in their operations and need systems that can handle these often dangerous substances effectively. The chemical delivery system has to be able to store the chemicals, deliver them to the point of use and handle disposal. Depending on the application, chemical mixing and a degree of automation may also be required. Key characteristics of chemical delivery systems include the following:

  • Reliability. Dependable systems must deliver the right amounts of chemicals as required.
  • Accuracy. Most processes need specific amounts of chemicals at various times. The dosage and timing has to be precise.
  • Efficiency. The system must be easy to operate manually and to program for automatic operation.
  • Reduced Waste. Only the amounts of chemicals and water needed are delivered and material is recycled as much as possible.
  • Repeatability. A process step can be carried out repeatedly and always get the same result.
  • Safety. The system must deliver reduced operator error and reduce potential operator exposure to harmful chemicals.

Designing chemical delivery systems with these characteristics means the systems will have a high degree of customization with regard to many of the system components and functions. A provider will have to custom design and manufacture the equipment to fit the location, the application and any specific customer requirements.

The Volume of Chemicals Needed Impacts the System

Some processes only need small amounts of chemicals for spiking solutions or for processing small mixtures while other applications require bulk chemical supply. For spiking, delivering precise dosages is critical while for bulk chemical use receiving and storage are important. Small chemical volumes can be stored wherever there is a small space available but large volumes may need space for large chemical totes along with a load cell interface to keep track of chemical use. Each application depends on site layout and available room for the chemical delivery equipment. Systems have to be customized to fit into the available space.

How Chemicals Are Used Influences Customized Controls

Bulk supply of a single substance needs relatively simple controls but mixing and blending several chemicals needs software and relatively complicated systems. The toxicity and aggressiveness of the chemicals impacts the peripheral physical systems to ensure against leaks, spills and the possible exposure of employees. Each chemical delivery system has unique requirements for functions such as mixing, acidity, etching capability and chemical disposal. Customized controls can accomplish these tasks as long as the basic system has the necessary flexibility and the supplier has the expertise and experience to customize the controls.

Facility Layout Affects System Design

Often an ideal layout situates a small storage container near the process where the chemical is being used. In other systems, it may make sense to bring the chemical from remote storage to the process and pipe the used products away for disposal. While the chemical delivery part of the system is clear, the placement of the system components depends on available space and detailed operational practices. In each case, the physical details of the system have to be adjusted for the site and site-specific operations.

Modutek Can Meet Customization Requirements

With extensive expertise in the field of chemical delivery systems, Modutek has the capability to adapt these systems as needed by their customers. Because the company designs and manufactures its own equipment, it can make changes and adjustments to satisfy specific requirements. Customers can take advantage of Modutek’s in house design and production capabilities to get exactly the systems they need. The resulting customized chemical delivery systems are safe and of the highest quality.

Reviewed and Approved by Douglas Wagner
President & CEO, Modutek Corporation

Why Chemical Lift Station Pumps Are Needed for Wet Bench Stations

why-chemical-lift-station-pumps-are-needed-for-wet-bench-stations2Once a wet bench process step is completed, the remaining chemicals and waste water have to be drained and transferred to an area for neutralization and disposal. Depending on the physical layout of the semiconductor manufacturing facility, gravity draining may either not be possible at all or may be insufficient in terms of flow and speed. Chemical lift station pumps take over the transfer of chemical solvent in a controlled and optimized way. The removal of chemical solvents and waste liquids is accomplished rapidly and completely, leaving the wet bench station ready for a new process step.

Lift Station Pumps for New Installations

While it may be possible to design new installations without lift station pumps and relying only on gravity drains, changes in the facility, expansions or upgrades may require the retrofitting of pumps. In that case, lift station pumps have to be included in separate stations that are often located behind the wet bench stations. These separate stations take up valuable floor space that could otherwise be dedicated to productive process elements. As a result, incorporating lift station pumps in new wet benches is more desirable.

Modutek can add lift station pumps to their wet bench stations and use them to pump acids, solvents and related chemicals and solutions in their semiconductor manufacturing equipment. The lift stations automatically monitor the lift station tanks. When fluids are detected in the tank via the installed level sensors, the corresponding pump is activated to transfer the liquid from the processing station to the facility’s neutralization area. Incorporating the lift pumps in the processing stations is an efficient and compact solution for new installations.

Adding Lift Stations to Existing Processing Lines

When wet bench processing lines are used with a new process or are upgraded, the gravity drains that were previously adequate may no longer deliver the required flow. Lift stations have to be added to deliver the anticipated performance. Often extensive customization of the lift stations is required to accommodate them in the existing facility.

Modutek can help find solutions to adding chemical lift stations to wet processing lines. The company has a complete line of chemical lift stations for installation outside existing wet processing stations. Modutek engineers evaluate process requirements and plant layout to propose equipment that works best for a particular application.

Modutek’s chemical lift stations have all-plastic fluid paths for resistance to corrosion and feature an automatic constant ON with level sensing governing operation. Standard pumps are vertical centrifugal polypro with other pump options and a double containment option available. The polypro holding tank can be built to the size required and the designs are customized to meet flow requirements. Level sensing is via four float-type level sensors signaling low/low, low, high and high/high. Remote control is available.

Modutek Delivers Customization and Support

Modutek can analyze the requirements of a wet bench installation and propose ideal solutions because the company designs and builds their wet bench equipment in house at their facility in San Jose. With almost 40 years experience in wet bench technology, Modutek has the expertise to find optimum solutions and implement them using their own equipment. Chemical lift stations for existing installations and lift station pumps incorporated into new wet bench stations often require extensive customization. Such customization can include different geometry, size, materials, and control logic to meet unique customer requirements. Modutek can rely on in house experience to adapt its equipment for a specific application. Once delivered and installed, Modutek can provide unparalleled customer support because the company doesn’t use third party suppliers. The Modutek specialists carrying out wet bench and lift station service are backed up by the Modutek personnel who designed and built the equipment.

Reviewed and Approved by Douglas Wagner
President & CEO, Modutek Corporation

 

How Acid Fume Scrubbers Work to Maintain a Clean Work Environment

Creating silicon wafer microstructures, integrated circuits, and processors requires an extensive multi-step process of etching, stripping, and cleaning silicon wafers. Chemicals such as sulfuric acid, hydrochloric acid or hydrogen peroxide carry out these operations effectively but give off vapor that is harmful for workers inside the workspace and for the environment outside. In addition to affecting worker health, there are regulatory compliance issues for a safe working environment. Acid fume scrubbers remove the harmful vapors from the air, leaving a clean workspace and clean air to be discharged outside the manufacturing facility. Modutek’s acid fumes scrubbers are especially effective and have a low cost of operation as well.

Acid Fume Scrubber Operation

The exhaust air from wet process stations will often contain droplets of the acid used in the process. Even as a mist of fine droplets, these acids remain extremely corrosive and may impact worker health, especially if inhaled. With increasingly strict regulations regarding worker safety and environmental impacts, such exhaust air has to be treated before being released into the workspace or outside.

Acid fume scrubbers neutralize the acid vapors and clean the exhaust air so that it is no longer dangerous for workers or harmful to the environment. The exhaust air containing the acid fumes is passed over a bed of wet packing material. The liquid in the packing material bed includes a chemical that neutralizes the acid safely. The acid droplets dissolve in the neutralizing liquid as the vapor passes over the wet packing bed and the acid is neutralized as it is absorbed from the exhaust air. The air exiting the acid fume scrubber contains only traces of acid and is safe.

The effectiveness of the scrubbers depends on the volume of air the scrubbers can handle and the surface area of the wet packing that is exposed to the acid fumes. Modutek’s acid fume scrubbers use packing material from packing technology leader Lantec to achieve an especially high surface area in the packing bed. To match the air exhaust requirements, Modutek acid fume scrubbers are available with air handling capacities from 500 to 25,000 CFM. Matching the air handling capacity to the high packing material surface area can result in acid fume removal from the exhaust air of up to 99 percent. At the same time, a water re-circulating system with pH control keeps the water consumption to a minimum and operating costs are low. Installing Modutek acid fume scrubbers lets wafer fabrication facility managers keep their workspaces clean and operating environment safe.

The Benefits of Using Acid Fume Scrubbers

When acid fumes get into the workplace, it impacts the workers and can corrode machinery. Even small concentrations can have negative effects over time. A clean work environment is especially important in semiconductor wafer fabrication because contaminants on the wafers affect the quality of the final product. As a result, placing acid fume scrubbers in the air exhausts of wet stations can improve worker health and improve product quality.

Modutek’s high efficiency acid fume scrubbers are complemented by a safe operating environment and an operator-friendly user interface. Double containment construction adds extra safety and there is a bottom drain for easy maintenance. The flow and pressure gauges give the operator a complete picture of the process while level control and metered discharge help ensure proper operation. With the neutralization of the acid taking place within the scrubber, operation of the scrubber is completely safe.

When the work environment is clean, workers will perform better, especially if they know they don’t have to be concerned about their health. Modutek’s acid fume scrubbers ensure that a clean and healthy work environment is possible, even in the face of using chemicals common in wet process wafer fabrication facilities. Contact Modutek for a free quote or consultation on selecting the right fume scrubber for your facility.

 

How Chemical Delivery Systems Are Designed to Meet Customer Requirements

how-chemical-delivery-systems-are-designed-to-meet-customer-requirements2Many industrial activities require the supply of a variety of chemicals for their manufacturing or production processes. Because the industrial process may include special procedures and the use of specific chemicals, chemical delivery systems often have to be custom-designed to exactly meet the needs of a facility. Typical custom requirements deal with the quantities of chemicals required, how often chemicals have to be changed, how accurate the delivery or the mix has to be and the repeatability of a specific process. Safe handling is an important issue when the chemicals delivered are hazardous, as is safe neutralization and safe disposal. Customized systems can address each of these issues and ensure that the critical requirements are satisfied while leaving out unimportant features for a cost-effective solution.

Delivery Volumes

The quantities of chemicals used greatly impacts the design of the chemical delivery system. Large totes remote from the process can continuously deliver large volumes over extended periods while local drums and tanks can deliver smaller volumes but can be changed when the process requires a different chemical or when a new production process is started. In each case, load or level sensing has to be available so production personnel can plan the required chemical delivery. Software allows operating personnel to predict flows and requirements so adequate supplies are available.

Precision and Repeatability

Different industrial processes have different requirements for precision. For example, research projects often have to record exactly what chemicals were used and their precise quantity. Some semiconductor manufacturing processes also require high precision but others don’t. Precision is linked to repeatability. If a process has to run exactly the same way each time, the level of precision for chemical delivery has to be the same for each run.

Custom design can guarantee that the levels of precision and repeatability required for a process can be achieved, but such features are expensive. Customization means critical requirements are met but if high precision is not required, costs are reduced to cover what is essential for the process.

Safe Handling and Disposal

Customization is especially important for safety because each chemical has its own hazards and each process presents different dangers. Customized chemical delivery systems provide an additional level of safety to employees in the handling the chemicals and operating the delivery systems for specialized applications. Custom designs look at measures such as double-walled containment, corrosion-resistant fluid paths and leak detection for safe handling. Neutralization and disposal requires a customized approach due to the different ways chemicals are used but also because of the different regulations for safe chemical disposal.

Custom Chemical Delivery Solutions from Modutek

Modutek has the experience, the product line and the customization capabilities to satisfy specific customer needs and deliver high-quality, reliable and safe chemical delivery systems. The company designs and assembles all systems in house at their factory in San Jose, California. Because of the presence of in-house expertise for all important subsystems including the chemical delivery software, Modutek can respond exactly to the customization requirements of each manufacturing or production facility and deliver custom solutions that respond to customer needs.

From tote, drum and tank storage possibilities through systems with high precision capabilities, Modutek can deliver the storage and repeatability features needed. The SolidWorks Simulation Professional and SolidWorks Flow Simulation software lets customers calculate precise mix and flow volumes. All chemical delivery systems are characterized by high levels of operator safety and special regulatory requirements for the disposal of toxic chemicals can be incorporated into the custom design as needed. With Modutek’s chemical delivery system designs, customers can be sure they are getting the systems they need. For a free quote or consultation contact Modutek at 866-803-1533 or email [email protected].

Modutek Provides Solvent Delivery Pump Station for Large Pharmaceutical Company

Modutek Provides Solvent Delivery Pump Station for Large Pharmaceutical CompanyWith over 35 years of experience in the semiconductor manufacturing industry, Modutek has the expertise to handle large projects and challenging applications. The most recent example is a solvent delivery pump supply for a large pharmaceutical company. Nine solvent pump cabinets are required to transfer solvents to centrally located distribution stations. The custom-built cabinets are subject to tight specifications and rigorous compliance with applicable standards.

Project Details

Modutek will supply nine solvent pumping cabinets, each containing two pneumatically operated pumps. The pumps will have pulse dampers and will be fitted with air-actuated ball valves on the inlets and discharge outlets of each pump. Pilot valves will control the supply of clean, dry air (CDA). A series of valves and monitoring systems controls and supervises the transfer of solvents to distribution points close to the process.

Each cabinet will have an ultrasonic leak detector housed in a one-inch pipe “T” at the lowest point in the cabinet. A drain On/Off selector switch will be mounted near the drain port on the outside of the cabinet, and a 4-20 ma pressure transmitter will be mounted on the outside of each cabinet so the local display can be read easily.

Pump Cabinet Operation

The pumps will be controlled by a Programmable Logic Controller (PLC) and will deliver up to four gallons per minute. Solvents handled include acetone, methanol, ethyl acetate, heptane, isopropyl acetate and methyl tert-butyl ether. The system is rated up to 200 degrees Fahrenheit, and the passivation of the stainless steel parts is per ASTM standards. The pressure drop can be controlled through the PLC and the installation must be FDA compliant.

When a request for a pump is received, the drain valve On function is disabled and the pilot valve supplying CDA to the pump opens. The pump inlet and discharge ball valves open allowing solvent to flow past the pressure transmitter to the process. If a leak is detected in the pipe “T,” the pilot valve and the corresponding ball valves close, stopping transfer of the solvent.

When the drain function is switched On, the pilot valves and pump inlet and discharge ball valves are disabled. The pneumatically operated drain valve opens and the solvent drains into a collection container outside the cabinets. Once draining is completed, the operator can close the drain valve and resume normal operation of the pumps.

During normal operation of one of the pumps, the 24 V DC 4-20 ma pressure transmitter displays pressure in the line from the pump to the process. The pressure range is 1 to 150 psi. The pressure reading is displayed on a local LCD display and is available for remote indication and for HMI or SCADA systems.

Partnering With Modutek

Modutek can help customers that have complex or wide-ranging chemical delivery system requirements. The company offers standard solutions from its complete chemical delivery system equipment line or it can design and manufacture custom solutions to meet the needs of specific applications. All of Modutek’s chemical delivery system equipment is engineered and manufactured in-house at the company’s San Jose facility. As a result, the company can rely on in-house expertise to build and service the required equipment.

Modutek’s chemical handling systems are built using the latest technology and the highest quality materials to achieve un-paralleled output quality at reduced overall cost. When chemical handling/delivery systems are precisely designed to match application requirements, waste is reduced, and the use of water and chemicals are minimized. There are fewer operator errors, and systems become safer and more productive. Choosing Modutek as a supplier can help improve production facility performance and increase profitability.

Tips on Selecting an Acid Neutralization System for your Application

Tips on Selecting an Acid Neutralization System for your ApplicationAcid neutralization systems are essential for various industrial processes such as semiconductor fabrication and research facilities that produce acidic effluents. These cannot legally be discharged directly into public sewer systems; instead, they need to first be processed in legally prescribed ways. Altering the pH of acidic waste by-products to legally acceptable pH ranges of between 6 and 9 can be a major challenge, however.

As process engineer or semiconductor facility manager, what do you look for in an acid neutralization system? The best solution is a system that is easy to use, has a low operating cost and complies with all laws and regulations. Managers tend to see waste treatment as an operation that is difficult to administer and control costs in. The use of an effective system that provides automation would be the best option.

Automation frees up resources and lowers costs for businesses. When equipment is properly maintained to manufacturer-recommended specifications, a business can easily manage the process to meet specific criteria.

Acid neutralization systems treat acidic effluents using either continuous-flow processing or batch processing.

Considering a Continuous-flow Neutralization System

Continuous flow neutralization — where a stream of influent is treated while in flow through a pipeline system, prior to discharge — tends to work well in applications where there is a high rate discharge of mild acid or alkali. Continuous flow systems tend to be practical as long as the pH of influents remain stable from one moment to another.

Most systems offer a two-stage handling process; these can be effective for processes that produce moderately acidic effluent. Three-stage processes work well for processes that produce especially polluted effluents.

An automated, continuous-flow neutralization system is designed to provide acid neutralization within the confines of a compact unit, and can process streams as high as 500 gallons per minute.

With microcomputer-controlled monitoring at every stage, there is a high level of reliability to ensure compliance.

Considering a Batch Neutralization System

Acid neutralization systems that handle influent waste acid in batches can be effective in certain applications. Unlike continuous flow systems, batch systems are able to effectively deal with complex, highly acidic influents. Batch systems are suitable in the treatment of processes that cannot be relied upon to produce effluents of stable character. When acidic content tends to change, batches of waste need to be collected and treated separately. Batch neutralization systems also excel in the treatment of influents that are complex in nature — ones that contain heavy metal and fluorides.

These systems come with excellent automation benefits that include:

  • The automation of chlorination and pH adjustment for removal of bacteria.
  • The programming of operational sequences where different reagents and polymer flocculants are fed in.

The Benefits of Choosing an Automated Solution

With an automated acid neutralization system in place, manufacturers are able to get by with a minimal amount oversight to this side of operations. Fully automated from end to end, these systems offer intelligent, sensor-based checks at every point to alert staff of any need for attention, should it arise. Operators can be assured that problems will not go unnoticed.

Modutek Can Help You Choose the Right System for Your Requirements

Modutek, a leading provider of equipment solutions for semiconductor manufacturers, offers a full range of neutralization technologies with different configurations. These are highly cost-effective systems both to install and operate. Modutek can assist process engineers and managers at manufacturing facilities to select the right equipment to meet their specific requirements.

Choosing the Right Chemical Delivery System for Your Application

Choosing the Right Chemical Delivery System for Your ApplicationSemiconductor manufacturers and research labs have extensive chemical handling requirements and need a safe way to supply chemicals to the points where they are used. Key factors for choosing chemical delivery systems are the storage options that are available, the system performance in terms of precision and reliability and the software that can be used to ensure safe and accurate operation.

The chemical delivery systems have to be able to receive the chemicals in bulk, store them safely and conveniently, supply them to the point of use in the required quantities, neutralize them as needed and dispose of them appropriately. Custom configurations, fast chemical change and control options may also be important. Suppliers have to be able to evaluate customer needs and make recommendations based on their experience with chemical delivery systems.

Chemical Delivery System Features

An ideal chemical delivery system improves facility or manufacturing line performance by increasing throughput and producing better quality output. It accomplishes this by reducing manual interventions that can slow down the process and introduce errors. When chemicals are supplied to the point of use exactly as they are needed and with the exact composition required by the process, the facility can operate at optimal efficiency.

A key component of a chemical delivery system is chemical storage. Storage space near the process is often limited but adequate storage to avoid frequent container changes is needed. Ideally the chemical delivery system can continue to operate with integrated storage while a main storage container is being changed.

The mixing and delivery of chemicals to the point of use has to be safe, precise and reliable. Software can calculate the precise amounts needed while monitoring sensors can show chemical paths, levels and other process variables. Extensive and flexible control configurations let customers choose exactly how the chemical delivery system will operate. High quality materials ensure reliable operation and long-term safety. Facility managers and engineers choosing a chemical delivery system have to evaluate such features and check which suppliers have the expertise to recommend a good fit for their needs.

Modutek’s Chemical Delivery Systems
Modutek’s advanced chemical delivery systems provide all the required features and functionality mentioned above. Large tote chemical containers with load cell interfaces can eliminate the need for frequent drum changes when large volumes of chemicals are used. For smaller quantities, a 55-gallon drum system is available and both storage systems are designed for quick chemical changes. Systems have all-Teflon fluid paths with leak detection and sensing of up to four levels. The automated chemical deliveries are displayed on a touch screen that also shows the status of key components such as valves, pumps and alarms. Modutek’s SolidWorks Flow Simulation and SolidWorks Simulation Professional provide accurate chemical delivery calculations and the Modutek systems can be integrated with the company’s own wet processing equipment or adapted for each customer.

Modutek’s chemical delivery systems use software and components that are designed and manufactured at the company’s San Jose, California facility. As a result, Modutek can offer unparalleled service for all its equipment and can prepare custom designs for specialized requests. In addition to providing chemical delivery systems for wet process stations, Modutek systems are suitable for tech benches, plating stations, fume hoods, cleaning stations and acid exhaust hoods. By eliminating manual operator interfaces and ensuring accurate chemical concentrations and mixtures, the Modutek chemical delivery systems can help with increasing facility efficiency and reducing failure rates. If you need a reliable chemical delivery system for your application, contact Modutek for a free quote or consultation.

Tips on Selecting Chemical Delivery Systems for Your Application

Tips on Selecting Chemical Delivery Systems for Your ApplicationChemical delivery systems handle the chemicals required to support various industrial processes. Chemicals that are often corrosive or hazardous are stored securely and delivered to the process in specified concentrations and mixtures. Once used in a particular process, the chemicals can be recovered and neutralized, disposed of or re-used.

Such chemical delivery systems, when integrated in processes such as semiconductor manufacturing using wet bench equipment, allow safe operation with accurate dosages and quick change from one chemical to another. The systems reduce spills and operator error and they can save money by using exactly the amounts of chemical needed. Depending on the process and the volume of chemicals, chemical delivery system design must take into account appropriate storage methods and customization to meet the requirements of the specific application.

Considerations Before Purchase

In addition to selecting a supplier that has an excellent reputation and extensive experience in the design and building of chemical delivery systems, there are specific factors that affect the type of system needed.

  • How much of a particular chemical is used in the process? Storage options from large volumes to small local storage must be available.
  • How does the system calculate the required chemicals and how is the software for calculations supported?
  • What are the control options and do they integrate easily and well with wet bench controls?
  • What safety, error and leak detection features are available?
  • Is the system flexible enough to adapt to specific process requirements and can the supplier undertake such customization?

 

Before making a purchasing decision, facility managers and staff responsible for the technical evaluation have to make sure the chosen chemical delivery system can meet their requirements on various factors such as the five listed above.

Chemical Delivery Systems by Modutek

Modutek has extensive experience in the design and construction of chemical delivery systems that meet the needs of their customers. The company’s systems feature a variety of storage options such as large volume storage, chemical tote or local drum, bottle or carboy. Storage includes level sensing from low/low through low and high to high/high and levels are displayed on a touch screen.

The SolidWorks Simulation Professional and SolidWorks Flow Simulation software calculates accurate chemical requirements. Because the software and the controls are designed and programmed in house, Modutek can customize them and can support the software with its own technicians. Based on the calculations, the controls provide precise mixing to minimize waste and lessen the overall operational costs.

Modutek’s chemical delivery systems integrate seamlessly with their wet bench technology, and can usually be used with wet benches from most other manufacturers. The company offers fully automated, semi-automated and manual wet processing equipment that can easily interface with its chemical delivery systems. These systems are flexible enough to also be used with existing wet bench equipment, whether made by Modutek or by other equipment manufacturers.

Modutek’s systems feature high safety and reliability with attention to excellent performance and quick changeovers. Cabinets are manufactured with double containment and double-walled plumbing is available along with leak detection and data logging. Modutek’s chemical delivery systems provide excellent repeatability and consistent results.

Modutek can easily customize its chemical delivery systems because all design and manufacturing work is done in house. The company has the expertise to evaluate customer requirements and make appropriate recommendations. Once the customer has decided on the system needed, Modutek’s engineers and technicians can make sure the equipment performs as expected and meets the specified operating parameters.

When customers ask Modutek to supply their chemical delivery system, the company can design and build exactly the customized system needed for the particular application. Facilities using chemicals can increase throughput while reducing chemical use. If you need an efficient and effective chemical delivery system to support your application contact Modutek for a free consultation or quote or email [email protected].

Chemical Delivery Systems That Meet Your High Tech Manufacturing Requirements

Chemical Delivery Systems That Meet Your High Tech Manufacturing RequirementsIndustrial and research facilities that handle chemicals for their processes need reliable, safe and customized chemical delivery systems to store the chemicals, make them available at the appropriate process when needed and neutralize them effectively prior to disposal. Modutek designs and builds custom chemical delivery systems to meet the needs of their customers. Typical applications include wet processing stations, wet benches, fume hoods, plating stations, precision cleaning stations and acid exhaust hoods.

The company’s equipment features precise operation, accurate repeatability, excellent reliability and a high level of safety. All chemical delivery systems are designed and manufactured in house at Modutek’s facility in San Jose, California and their engineers can design systems to meet the specific needs of particular customers.

Equipment Description

Modutek’s chemical delivery systems feature all-Teflon fluid paths with double containment cabinet construction and leak detection. Double wall plumbing and data logging are available. Chemical containers can be large totes with a load cell interface for high volumes of chemicals or 55-gallon drums for delivery close to the process. Containers have level sensing with high/high, high, low and low/low signal levels.

Chemical delivery is automated with a touch screen giving important data such as levels and alarms. The status of key components such as pumps and valves is also displayed. The SolidWorks Simulation Professional and SolidWorks Flow Simulation software allow customers to perform chemical mixing and chemical delivery calculations. Since Modutek writes its own software, the operator interface can be customized to correspond to particular customer requirements.

Modutek’s custom chemical delivery systems are built to high quality standards and according to customer requirements. Customers can request final acceptance testing at the Modutek plant to ensure customer satisfaction and to provide evidence of the system’s superior reliability. Testing is carried out with deionized water and customers can see exactly how the equipment operates.

Benefits

Modutek incorporates advanced technology and high quality components in their chemical delivery systems that reduce customer costs and improve productivity. Reliable and safe operation of the systems helps customers achieve performance and productivity goals. Because Modutek designs each system specifically for a customer’s process and operational requirements, system performance is optimized and waste is reduced. Typical benefits will include lower chemical and water use due to lower waste, an improved safety record, higher throughput and better quality output.

A key benefit comes from the system’s method of storing chemicals. System throughput is high even when chemical changes are frequent because the tote and drum system lets operators change chemicals rapidly. A storage tank lets the process continue even as the drums are re-charged and the large totes mean operators often don’t have to change drums at all.

Modutek’s automation helps minimize operator error with an easy-to-use interface that eliminates manual handling of chemicals. Spills and mistakes when mixing chemicals are eliminated and accidents from mishandling of dangerous chemicals are reduced. The software allows operators to deliver, mix and dispose of chemicals in a precisely controlled fashion that is safe and reproducible. Once a process has been run successfully, the sequences are repeatable with a high degree of accuracy.

Overall, customers who choose Modutek’s chemical delivery systems can expect to receive equipment that exactly meets their needs for reliable and safe chemical handling. They can expect to see reduced operating costs and improved plant productivity. The Modutek systems will perform chemical storage, delivery and mixing exactly according to what they need. For a free quote or consultation contact Modutek at 866-803-1533 or email [email protected].

What Fume Scrubbers Do and the Benefits They Provide

What Acid Fume Scrubbers Do and the Benefits They ProvideManufacturing processes such as semiconductor etching or the cleaning of parts with strong chemical solvents generate exhaust fumes containing the process chemicals in gaseous or droplet form. Such fumes have to be neutralized before they can be released into the atmosphere or into the air inside the manufacturing or research facility. The fumes are harmful to human health and may be corrosive to plant machinery. Companies face fines if they release fumes into the outside atmosphere and may contravene labor standards if the fumes reach the factory floor or lab work areas.

Modutek’s Acid Fume Scrubbers use a wet packed bed to remove acid and base chemical traces in chemical process exhaust fumes. The fumes pass over wet packing material and the chemicals are removed as they come into contact with a neutralizing solution in the beds. Well-designed fume scrubber beds expose the fumes to a large surface area covered in neutralizing solution. The harmful gases dissolve in the solution, are neutralized and are no longer present in the air. A wide range of fume volume handling capability makes the Modutek fume scrubbers suitable for all kinds of manufacturing facilities and university or company research labs.

Custom Designs

Modutek offers a wide range of models to address the various fume scrubbing requirements that customers may have. Air handling capacities range from 500 CFM to 25,000 CFM and each scrubber is designed to meet the customer’s air quality standards. The scrubbers come with a NEMA 4 control cabinet, a complete set of flow and pressure gauges, control of the scrubber water level and a metered discharge. Seismic and structural certification is available. The scrubber models have the flexibility to meet many requirements such as treating air from acid exhaust hoods, plating stations, precision cleaning stations and wet benches.

High Efficiency

Modutek’s Fume Scrubbers operate at high efficiencies to neutralize chemical fumes from exhaust air and minimize water usage. Automatic pH control of the scrubber water optimizes operation and allows removal of acid and base chemical fumes of up to 99 percent. The scrubbers use packing material from packing media industry leader Lantec to maximize the surface area of the scrubber solution exposed to the fume gases and reduce water usage to a minimum.

Modutek Acid Fume Scrubber Features

Acid Fume scrubbers from Modutek are designed for low cost of ownership with a low use of consumables. A bottom drain and the Lantec packing material facilitate maintenance. The scrubbers are made of black polypropylene with UV protection and they feature double containment for extra safety.

To ensure and maintain efficient operation, the scrubbers recirculate the scrubber water and feature a demister section and removal of water-soluble vapor. These features together with the design flexibility of the scrubbers and the company’s capability to offer highly customized units make Modutek’s Acid Fume Scrubbers an excellent choice for use in many factories and labs. Manufacturing processes such as semiconductor fabrication and biomedical devices as well as research labs using chemical processes can make sure that they maintain the clean air quality they need. If you need more information or a quote on Modutek’s Acid Fume Scrubbers call 866-803-1533 or email [email protected].