Package wastewater chemical/biological treatment method

Details Package wastewater chemical/biological treatment method Package wastewater chemical/biological treatment method

2007-08-14

2008-11-25

Barry, Chester T. (Department: 1797)

Liquid purification or separation

Processes

Treatment by living organism

C210S604000, C210S609000, C210S614000, C210S631000, C210S754000, C210S764000

Reexamination Certificate

active

07455773

ABSTRACT:
A chemical/biological wastewater treatment plant method and apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the separated treated wastewater by land applying it for plant consumption, and/or passing it through aqueous plant or microbial reduction of the dissolved solids and ammonia for BOD compliance to produce water of sufficient quality to meet open stream and ocean effluent discharge requirements; and disposing of the high BTU low moisture solids.

REFERENCES:
patent: 4304673 (1981-12-01), Reynolds et al.
patent: 4334893 (1982-06-01), Lang
patent: 4340489 (1982-07-01), Adams et al.
patent: 4765911 (1988-08-01), Rasmussen
patent: 5906750 (1999-05-01), Haase
United Nations Environmental Programme Division of Technology, Industry, and Economics Newsletter and Technical Publications Freshwater Management Series No. 1, “Bio-solids Management: An Environmentally Sound Approach for Managing Sewage Treatment Plant Sludge.”

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