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Archives :: Processing & Handling :: Separation (Liquid-Liquid & Gas-Liquid)

Displaying 41 - 60 of 277 stories.
March 1, 2012
For the first half of my career, I worked in a group that developed, designed and sold distillation trays. Late during the 1970s, half of that group’s business disappeared — almost overnight — when structured packing replaced trays in very large ethylbenzene-styrene vacuum columns. Even the best of trays could not compete with the low pressure drops of structured packings. In 1985, Norton...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/Packing-must-fail_9031.html
March 1, 2012
Distillation is one of the most extensively used operations in the chemical process industries (CPI). It is a highly energy-intensive unit operation, and continuously rising energy costs make it imperative to look for ways to reduce energy requirements. Some energy-saving configurations can increase capital investment costs, so the benefits need to be weighed carefully. Various techniques, such as heat...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/distillation/Distillation-Optimization-By-Vapor-Recompression_9064.html
March 1, 2012
Sterilizing-grade filters from this company have all-metal construction, and can perform filtration that meets the requirements of ASTM standard F838-05 for bacterial retention. The sintered, porous-metal filter...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/This-filter-media-performs-sterilizing-grade-bacteria-retention_9047.html
March 1, 2012
Introduced to the Spanish market last month, the Targa II hollow-fiber ultrafiltration cartridge is suitable for a wide range of ultrafiltration applications, including industrial water...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Hollow-fiber-membrane-modules-for-ultrafiltration-applications_9049.html
February 1, 2012
The Larox VPF (vertical pressure filter) is used for the pregnant liquor polishing stage in the alumina process, producing both a high-quality product and a high throughput. Low impurity in pregnant...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/A-large-pressure-filter-for-the-alumina-industry_8970.html
February 1, 2012
The GFD (glass filter dryer) FilterBox containment system is a small-scale solution to this company’s larger FilterBox products. The FilterBox consists of an agitated nutsche filter dryer (ANFD) or GFD completely integrated within a PSL...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/A-system-to-safely-charge-filter-dry-and-discharge-potent-APIs_8973.html
February 1, 2012
Limited budgets and the need for high performing operations are causing chemical processors and petroleum and gas refiners to seek out the best bang for their capital dollar. And when it comes to gas processing operations, such as carbon-dioxide removal, hydrogen purification and air separation, experts say today’s membrane technologies compare favorably to other available systems and will continue...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/membranes/Membranes-for-gas-Separation_8939.html
January 1, 2012
At the Chicago AIChE meeting last spring, Henry Kister and Mike Pritchett named the distillation symposium in honor of James R. Fair, who had recently passed away. Fair was probably best known for his leadership of the Separations Research Program (SRP) of the University of Texas at Austin. Fair and Jimmy Humphrey founded SRP in 1984, and a significant part of Fair’s legacy is continued through the...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/A-neighborly-research-organization_8826.html
December 1, 2011
The TraceGold gas-chromatography (GC) column is equipped with SafeGuard, a system which combines an analytical GC column with a built-in guard column. GC columns are routinely cut to remove contaminant...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/This-GC-column-has-a-longer-lifetime_8762.html
December 1, 2011
Amended Silicates is the name of powder designed for removing mercury from the fluegas of coal-fired power plants. The reagent, which is fully compatible with most...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/adsorption/This-mercury-removal-powder-contains-no-carbon_8744.html
December 1, 2011
This weighing and feeding specialist has extended its range of equipment with the introduction of the MCF filter system, which is suitable for applications in the animal feed, processed foods...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/A-new-easy-to-install-filter-system_8739.html
November 1, 2011
One of the biggest issues related to dust collection is compliance with U.S. Occupational Safety Health Administration (OSHA) and U.S. Environmental Protection Agency (EPA) regulations regarding combustible dusts and air quality. And as both agencies up the ante with tighter regulations and more scrutinizing inspections, it is imperative that processors make sure their facilities are meeting the standards...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Collecting-dust_8622.html
November 1, 2011
The Tri-Flow MERV 16 (minimum efficiency reporting value) filter lifetimes are three to five times longer than that of conventional bag or...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Extend-air-filtration-lifetimes-with-these-filters_8637.html
November 1, 2011
This company’s candle-filter technology can be used for removing catalyst and other fines from liquids. The filter systems, which can include candle filters, carbon absorption and polishing filters...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Use-this-filter-system-to-remove-fines_8650.html
November 1, 2011
The Double Back Wash Filter enhances productivity by making maintenance easier and prolonging the availability of the company’s Larox CC...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Lengthen-filtration-productivity-with-this-add-on-unit_8670.html
October 1, 2011
Thermosiphon reboilers are the new standard in petroleum refineries and chemical plants. Nevertheless, approximately 50% of the world’s reboilers are kettles. In the realm of heat transfer, kettle reboilers have not been understood well. Last month, at ChemInnovations, however, Pete Parker, FRI’s president and my supervisor, cracked the knowledge barrier with insight from nothing other than...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/A-window-into-kettle-reboiler-secrets_8501.html
October 1, 2011
Equilibrium stage simulations are the nearly universal process design tool for mass transfer columns that contact vapor and liquid in countercurrent flow. Whether the service is absorption, stripping, distillation, fractionation, quench or evaporation, equilibrium stage models make mass and heat balances easy. They quickly estimate stream conditions and physical properties. They are easily altered, so a...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/Determining-Packing-Height-With-Accuracy_8550.html
October 1, 2011
  There are various reasons that make filtering necessary in processes. The raw materials might have impurities that require removal at the start of the process. After the initial mixing to produce the process slurry, the mother liquor could have solids that need a separation process. Unwanted solids could also form by a chemical reaction during the production of the process liquid. The nature of the...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Clarifying-Liquid-Filtration_8530.html
October 1, 2011
The new depth filter medium, BecoPad recovers precious metal catalysts from reaction products without losses, so they can be returned to the process. Because very fine catalyst...
http://www.che.com/processing_and_handling/sep_liquid_liquid_and_gas_liquid/filtration/Recover-precious-metal-catalysts-with-this-depth-filter_8534.html
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