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Patent No: US6696284 [USA] Application No: 09/983224
Title: Biological filter for the purification of waste gases
Issue Date: 24-02-2004 File Date: 23-10-2001
Inventor(s): HARIDAS; AJIT (KERALA, IN); MAJUMDAR; SWACHCHHA (KERALA, IN)
IPC Classification: A61L 009/01, C12M 001/12
Abstract: The present invention relates to a biological filter for the purification of waste gases comprising a bed of biologically active carrier material consisting of pith extracted from coconut husks, the bed being contained such that the waste gases are brought in contact with the said bed and removed from the bed at points spatially separated from the inlet points.
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Industrial Applications Plants [Biological Science] Process [Environmental (Clean Tech)] Waste management [Environmental (Clean Tech)]