Biodestruction of blended residual oxidants

Details Biodestruction of blended residual oxidants Biodestruction of blended residual oxidants

2008-01-15

2008-01-15

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S616000, C210S617000, C210S620000, C210S621000, C210S622000

Reexamination Certificate

active

07318895

ABSTRACT:
The present invention may be used for treatment of waste streams using domestic wastewater. A concentrate waste stream containing one or more of perchlorate, nitrate, bromate, selenate and chromate may be combined with a domestic wastewater stream. The concentrate waste stream may have not less than 3000 mg/l of total dissolved solids. The concentrate waste stream and domestic wastewater stream may be combined at a ratio of between 20% volumetric flow rate and 75% volumetric flow rate to produce a blended stream. The blended stream may be processed in a bioreactor.

REFERENCES:
patent: 3964998 (1976-06-01), Barnard
patent: 2006/0201876 (2006-09-01), Jordan
“Drinking Water with Emphasis on Perchlorate Treatment,” Carollo Engineers (date unknown) (downloaded from www.carollo.com on Feb. 25, 2007).

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