Process for the removal of ethylene oxide from air
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United States of America Patent
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Jan 4, 2005
Grant Date -
Nov 25, 2004
app pub date -
May 22, 2003
filing date -
May 22, 2003
priority date (Note) -
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Abstract
A process for removal of ethylene oxide (EO) from ambient air laden with EO is passed through a zeolite-based removal media, which preferrably consists of the acid form of zeolite ZSM-5, herein referred to as 'H-ZSM-5.' The process described herein may be applied to many forms, configurations and uses, such as, for example, gas masks, fume hood ventilation filters, cartridge filters, etc. Preferably, the H-ZSM-5 is configured within an apparatus in such a manner that the stream containing EO is brought into sufficient contact with the zeolite to remove the EO from the airstream.
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