(Filtration and Separation Products)
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New processes for wet cleaning semiconductor surfaces have recently been developed. The new cleaning processes are designed to be more environmentally friendly and reduce the volume of chemicals used.... (View Full Article)
(Filtration and Separation Products)
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Membrane Contactors have been used to remove dissolved oxygen in boiler feed water systems for years. This report reviews various system designs and discusses how Membrane Contactors can be optimized... (View Full Article)
(Filtration and Separation Products)
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Proper treatment of boiler feed water is an important component of a boiler system. As steam is produced, dissolved solids become concentrated and deposit inside the boiler. This leads to poor heat... (View Full Article)
(Filtration and Separation Products)
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Many manufacturing processes, analytical measurements, and other industrial processes and procedures that involve aqueous based solutions, are adversely affected by bubbles in the fluid stream.... (View Full Article)
(Filtration and Separation Products)
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When liquids and gases are brought into contact, mass transfer between the gas and liquid phases will occur. The concentration of gas dissolved in the liquid will continue to increase until... (View Full Article)
(Filtration and Separation Products)
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A semiconductor manufacturer has successfully removed the down time that they used to experience due to problems with bubble formation in their photoresist solution. This company mixes their own... (View Full Article)
(Materials Processing Equipment)
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Mixed bed ion exchange is often used to polish Reverse Osmosis (RO) permeate in many industrial water systems. This process has been utilized for several years and it is well known that the management... (View Full Article)
(Filtration and Separation Products)
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In treating water for the production of pharmaceuticals, the concentration of gases dissolved in the water plays an important role. In many cases the CO2 content in the raw water has to be further... (View Full Article)
(Environmental Equipment)
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Electrodeionization (EDI) is widely used in many industrial water treatment systems throughout the world. In order to maximize the operating stability and life expectancy of an EDI system they were... (View Full Article)
(Filtration and Separation Products)
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For the past 18 months, we have used a new, highly efficient membrane technology for beverage carbonation. Coupled with mass flow measurement and PLC control, we achieve straightline carbonation... (View Full Article)
(Filtration and Separation Products)
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Liqui-Cel Membrane Contactors have been used for over 10 years and they are clearly proven in the field. In effort to help further educate customers on the benefits of Liqui-Cel Membrane Contactors... (View Full Article)
(Filtration and Separation Products)
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Dissolved oxygen, nitrogen, and carbon dioxide are naturally present in water. Dissolved gases should be carefully monitored and controlled, as they can affect the products and processes in which the... (View Full Article)
(Filtration and Separation Products)
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Proper treatment of boiler feed water is an important part of operating and maintaining a boiler system. As steam is produced, dissolved solids become concentrated and form deposits inside the boiler.... (View Full Article)
(Filtration and Separation Products)
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Corrosion control in piping, boilers, and associated equipment is an important issue with power generation facilities. The presence of dissolved oxygen in process waters coming into contact with this... (View Full Article)
(Filtration and Separation Products)
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Ammonia is widely used in the Chemical Industry as a cleaning and bleaching agent in the production of fertilizers, plastics, and explosives just to name a few. As a result, large quantities of... (View Full Article)
(Filtration and Separation Products)
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Why do gases tend to dissolve into water? This technical brief reviews the fundamental gas laws that explain why gases dissolve into water and provides a sample calculation for illustration. Gas Laws... (View Full Article)
(Lab Equipment)
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Hot CIP sanitization is the accepted cleaning strategy against microbiological growth in many industries. It has been commonly used in the pharmaceutical and the food and beverage industry for years.... (View Full Article)
(Filtration and Separation Products)
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The process of humidification occurs when a gas stream is brought in contact with a liquid stream (typically water). Liquid evaporates at the gas-liquid interface and the liquid vapor humidifies the... (View Full Article)
(Filtration and Separation Products)
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RO membranes coupled with EDI/CDI technology are rapidly gaining acceptance in the production of high purity water. Coupling the two technologies offers many advantages to the conventional RO mixed... (View Full Article)
(Filtration and Separation Products)
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Dissolved oxygen is a leading source of corrosion in water systems and it is carefully\ monitored and controlled in nuclear power plants. The Korean Electric Power Institute (KEPRI) has installed... (View Full Article)
(Filtration and Separation Products)
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The life of a high-purity water treatment project may be compared to rolling a boulder down a dome-shaped hill. The project gets rolling with a fairly small nudge. Once it is rolling, however, it... (View Full Article)
(Filtration and Separation Products)
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Pure steam is used in sterilization chambers as a common method to sterilize pharmaceutical products, such as equipment parts, instruments, containers and materials for sterile environments. Although... (View Full Article)
(Filtration and Separation Products)
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The amount of dissolved gases present in water has a direct impact on cleaning efficiency in a megasonic cleaning bath. UltraPure Water (UPW) from the polishing loop is commonly used in the megasonic... (View Full Article)
(Filtration and Separation Products)
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Electrodeionization (EDI) is a widely used water treatment process. EDI technology is an electrochemical process that uses ion selective membranes and an electrical current to continuously remove ions... (View Full Article)
(Filtration and Separation Products)
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Liqui-Cel® Membrane Contactors are used in many diverse applications and markets that require various tests to be completed. FDA Compliance Our Food and Beverage applications require our products... (View Full Article)
(Filtration and Separation Products)
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The non-dispersive diffusion system features a Liqui-Cel®‚ Extra-Flow™ Membrane Contactor manufactured by Celgard, Inc. of Charlotte, NC. The high efficiency contactor features a... (View Full Article)
(Filtration and Separation Products)
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This paper reviews the historical ultrapure water specifications and compares them to the specifications for state of the art 300 mm manufacturing. As the design rule has evolved to 0.13 ?m, the... (View Full Article)
(Filtration and Separation Products)
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Over the last 3 years, the designs of micro-porous membrane contactors for gas-transfer applications have rapidly developed. These newly designed contactors have moved the technology from small... (View Full Article)
(Filtration and Separation Products)
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Increased gas content often leads to problems with bubble formation in highly viscous fluids. Membrane Contactors can provide an in-line and simple solution for improving processes by removing the... (View Full Article)
(Filtration and Separation Products)
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It is the aim of high-purity water production to either fully eliminate organic and inorganic compounds, particles, and microorganisms from the water or to reduce their concentrations to values below... (View Full Article)
(Filtration and Separation Products)
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The MiniModule Membrane Contactors come in two sizes. These two products are basically the same thing; one is just larger and therefore handles more flow. Please refer to the data sheet located on our... (View Full Article)
(Filtration and Separation Products)
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The Centec DGS System is a modular, water deaeration process that uses hydrophobic Hollow Fiber Membrane to remove dissolved gasses from liquids in the beverage industry. This technical brief covers... (View Full Article)
(Filtration and Separation Products)
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IMEC (Interuniversity MicroElectronics Center) in Belgium is Europe's largest independent research center. It focuses on microelectronics, nanotechnology, and enabling design methods and technologies... (View Full Article)
(Filtration and Separation Products)
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A major power plant in Thailand is using Liqui-Cel® Membrane Contactors to remove carbon dioxide from a DI water system. The system is an expansion project and will be used to feed a high... (View Full Article)
(Filtration and Separation Products)
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There is a trend in the semiconductor industry for precise control of oxygen and nitrogen concentrations in ultrapure water. Specifically there is a goal in the polishing loop of a semiconductor plant... (View Full Article)
(Filtration and Separation Products)
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A semiconductor plant in Taiwan is using Liqui-Cel® Membrane Contactors to remove dissolved gas from their ultra pure water (UPW) system. The UPW system is used to purify water used in the... (View Full Article)
(Filtration and Separation Products)
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Many water processing systems are designed to reduce the total oxidizable carbon compounds (TOCs) present in the water. Trihalogenated methane compounds (THMs) are common contaminants in water and are... (View Full Article)
(Filtration and Separation Products)
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Honeywell's Solid State Electronics Center (SSEC) in Plymouth, Minn., had been trying to reduce the level of total organic carbon (TOC) in its high-purity deionized water system for many years. They... (View Full Article)
(Environmental and Water Quality Instruments)
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Pureflow, Inc. is a Southeastern-based expert in designing complete water treatment systems as well as providing value-added solutions for fixing operational issues in existing systems. Pureflow... (View Full Article)
(Filtration and Separation Products)
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In today's economic environment when profits are reduced due to rising costs, it is necessary to find ways to save time and money. City Public Service, San Antonio, Texas, had a need to be more cost... (View Full Article)
(Filtration and Separation Products)
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Dissolved oxygen is a leading source of corrosion in water systems. The Korean Electric Power Institute (KEPRI) has installed Liqui-Cel Membrane Contactors in the Wolsung nuclear power plant in South... (View Full Article)