Patent ID: 6245554
Filing Date: 2001-06-12
Classification: A61L,B01D,Y02A

Abstract:
A system for deodorizing malodorous sewer gas comprising:a tower having a gas inlet and a vertically separated gas outlet, malodorous gas passing into the tower through the gas inlet;an array of packing within said tower interposed between said tower inlet and tower outlet;an enzyme solution circulation system that withdraws enzyme solution from an interior bottom portion of said tower and introduces the enzyme solution into an upper portion of said tower, the enzyme solution passing downward through said packing;a blower for moving malodorous gas into said tower inlet and out said tower outlet, the malodorous gas passing upwardly through said packing and contacting said enzyme solution passing downward through said packing; andan enzyme solution replenishment system connected to said enzyme solution circulation system.