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Title:
ORGANIC WASTE TREATMENT SYSTEM AND ORGANIC WASTE TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2023/195160
Kind Code:
A1
Abstract:
This organic waste treatment system includes: a single treatment tank for treating organic waste using microorganisms; and a return means for returning liquid inside the treatment tank. The treatment tank includes: a solubilizing section for solubilizing organic waste by microorganisms and generating a first treated water; an acid generation section for generating an acid from the first treated water generated by the solubilization section and generating a second treated water; a solid-liquid separation section for separating the second treated water generated by the acid generation section into a solid component and a separation liquid; and a methane fermentation section for carrying out methane fermentation of the separation liquid separated by the solid-liquid separation section by methanogenic bacteria to convert the separation liquid into a third treated water and a gas. The return means has a first return means for returning the separation liquid separated by the solid-liquid separation section to the solubilization section.

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Inventors:
AKETAGAWA KYOHEI (JP)
KATSUMATA NORIAKI (JP)
ATTAVIRIYANUPAP PATHOM (JP)
SHIMADA YOSHINORI (JP)
KATAYAMA MITSURU (JP)
OHNISHI AKIHIRO (JP)
Application Number:
PCT/JP2022/017366
Publication Date:
October 12, 2023
Filing Date:
April 08, 2022
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
TOKYO UNIV OF AGRICULTURE EDUCATIONAL CORPORATION (JP)
International Classes:
B09B3/65
Foreign References:
JPS60202798A1985-10-14
JP2002361293A2002-12-17
JP2002307098A2002-10-22
JPH09168798A1997-06-30
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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