Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2006-08-22
2006-08-22
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S615000, C210S622000
Reexamination Certificate
active
07094350
ABSTRACT:
The present invention provides a method of sludge recycling by utilizing an existing facility as it is, degrading sludge efficiently and simply, and producing useful recycled water from treated water separated from the sludge, and an apparatus for sludge recycling. The present invention provides a method of sludge recycling including the steps of: bringing sludge into contact with a sludge degrading agent containing, as an active ingredient, microorganisms containing anactinomycesbelonging toStreptomyces;degrading the sludge; separating the degraded sludge into a solid content and a liquid content; and producing recycled water from the liquid content.
REFERENCES:
patent: 4735724 (1988-04-01), Chynoweth et al.
patent: 10-216799 (1998-08-01), None
patent: 11-285698 (1999-10-01), None
patent: 2000-342670 (2000-12-01), None
Akiyama Shingo
Asukai Masaharu
Chang Pang Yen
Furuki Suzu
Goto Tamaki
Barry Chester T.
Roche Company
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