Method and system for removal of ammonia from wastewater by...

Details Method and system for removal of ammonia from wastewater by... Method and system for removal of ammonia from wastewater by...

2007-04-04

2010-06-15

Griffin, Walter D (Department: 1797)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C210S748010

Reexamination Certificate

active

07736776

ABSTRACT:
A method and system are described to treat ammonia-containing wastewater or process waters. Sewage containing human or animal waste and certain process liquids, typically water, contains high levels of nitrogen in the form of ammonia. An electro-chemical method to extract the ammonia from the wastewater is also described. The system described is one implementation of this method. One or more electrolysis cells convert ammonium to ammonia where the generated ammonia gas can readily be extracted for disposal or reuse. Such a system can involve electrolysis cells of numerous types as described herein.

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patent: 6083377 (2000-07-01), Lin et al.
patent: 6290778 (2001-09-01), Zugibe
patent: 7211550 (2007-05-01), Benton et al.
patent: 2006/0021942 (2006-02-01), Bradley
patent: 3532573 (1986-10-01), None
patent: 03215700 (1991-09-01), None

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