Process for treatment of organic contaminated water

Details Process for treatment of organic contaminated water Process for treatment of organic contaminated water

2007-11-13

2007-11-13

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S617000

Reexamination Certificate

active

11786588

ABSTRACT:
The present invention may be used in methods for treatment of drinking water contaminated with algal metabolites. An inflow of water in a drinking water treatment facility may have multiple types of algal metabolites wherein each algal metabolites has a concentration of less than 20 μg/l. The water may contain indigenous bacteria that may serve as a bioreactor inoculum. The water may be dosed with a biodegradable electron donor at a concentration of less than 7 mg/l to form water, electron donor solution. The water, electron donor solution may be processed through a fixed-bed bioreactor for an empty bed bioreactor contact time of less than 30 minutes. An effluent of the fixed-bed bioreactor may have an algal metabolite concentration for each algal metabolite of less than 10 ng/l.

REFERENCES:
patent: 2006/0096915 (2006-05-01), Sumino et al.
Newcombe, Gayle, “The Role of Biological Fltration in the Removal of Algae Metabolite using GAC,” presented Apr. 6-10, 2003.

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