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Thin-Cake Filtration Technologies for Removing Activated Carbon, Catalysts and Other Trace Solids From Active Pharmaceutical Ingredient (API) Slurries
, the industry's need for new technologies has expanded. One area of importance is now the efficient removal of activated carbon, metal catalysts and trace insolubles, such as diatomaceous earth, from API slurries. Currently, most API slurries are clarified with the use of manual plate filters, filter
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Control of Toluene Vapors in a Lab Setting: Industrial Hygiene Report (.pdf)
A test was setup to determine the filtering efficiency of a Sentry Air Systems activated carbon filter cartridge on toluene vapors within a Sentry Air hood. A 99% solution of toluene was used for this specific testa. To determine the absorption ability of the filter on tolune, its concentration
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Use of HEPA Filters in Biological Safety Cabinets
. Activated carbon filter systems can be added to an HVAC system to help control odors in the home. This type. of filter is an absorbent filter that will retain certain vapors passing through it to control odors or chemical. smells. Because it does not trap particulates, an activated carbon filter
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Supplying High Purity Gases (.pdf)
) is shown in Figure. 3. Compressed air is filtered using a high-efficiency activated. a) Generation of nitrogen. carbon filter to remove organic impurities, and a pre-filtration. Nitrogen is generated from compressed air by the removal. system is used to remove particulate matter >0.01µm. Air passes
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Supplying High-Purity Gases: Making a Case for In-House Gas Generators (.pdf)
) is shown in Figure. 3. Compressed air is filtered using a high-efficiency activated. a) Generation of nitrogen. carbon filter to remove organic impurities, and a pre-filtration. Nitrogen is generated from compressed air by the removal. system is used to remove particulate matter >0.01µm. Air passes
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Industrial Hygiene Report: Control of Formaldehyde in the Workplace (.pdf)
300 WSL. A second test was performed using a standard activated charcoal filter. The air. flow was measured to be approximately 187.5 cfm. The experiment was set up. using the same parameters as outlined above. All samples, including a blank,. were sent to an AIHAcertified laboratory for analysis
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CHARCOAL FILTRATION
the service lifetime for an activated charcoal filter under. the following conditions: 1. no mixture of contaminants. 2. no contaminants containing more than one functional group (i.e. a chlorinated. alcohol). 3. less than 50% relative humidity. This service time interval is the point in time when 10%
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Science Update
litter becomes a highly porous material with a large surface area. Early tests showed that these activated carbons perform well in adsorbing copper, which suggests that they may do well as a wastewater filter for other metal ions. Their adsorption capacity may also make them more cost effective