Patents Assigned to Roche Company
  • Method of sludge recycling
    Patent number: 7094350
    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 an actinomyces belonging to Streptomyces; degrading the sludge; separating the degraded sludge into a solid content and a liquid content; and producing recycled water from the liquid content.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: August 22, 2006
    Assignee: Roche Company
    Inventors: Tsuguo Inaba, Masaki Sugino, Toshiyuki Nakazawa, Shingo Akiyama, Masahito Yamada, Chiyomitsu Kimura, Toshinori Sato, Masanori Mizuki, Yasutami Yamaura, Masaharu Asukai, Keiichi Hosokawa, Norikazu Nishizawa, Mizuo Usuba, Tatsushi Nojiri, Suzu Furuki, Tamaki Goto, Hajime Inaba, Pang Yen Chang
  • Method of sludge recycling
    Publication number: 20040168976
    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 an actinomyces belonging to Streptomyces; degrading the sludge; separating the degraded sludge into a solid content and a liquid content; and producing recycled water from the liquid content.
    Type: Application
    Filed: November 12, 2003
    Publication date: September 2, 2004
    Applicant: ROCHE COMPANY
    Inventors: Tsuguo Inaba, Masaki Sugino, Toshiyuki Nakazawa, Shingo Akiyama, Masahito Yamada, Chiyomitsu Kimura, Toshinori Sato, Masanori Mizuki, Yasutami Yamaura, Masaharu Asukai, Keiichi Hosokawa, Norikazu Nishizawa, Mizuo Usuba, Tatsushi Nojiri, Suzu Furuki, Tamaki Goto, Hajime Inaba, P. Y. Chang