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Title:
ANAEROBIC TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2023/171389
Kind Code:
A1
Abstract:
Provided is an anaerobic treatment method by which it is possible to efficiently utilize, as a natural resource, harvest residue generated in an agricultural field. In this anaerobic treatment method, a raw material including harvest residue produced in an agricultural field is methane-fermented, the fermented residue produced by the methane fermentation is returned to the agricultural field, and a biogas produced by the methane fermentation is utilized as an energy source, wherein the cutting length of the harvest residue to be supplied for the methane fermentation is adjusted on the basis of demand information about the fermented residue or the biogas. In addition, if demand for the fermented residue or the biogas increases, the cutting length or average cutting length of the harvest residue to be supplied for the methane fermentation is adjusted so as to be shorter.

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Inventors:
MIZUTANI FUTOSHI (JP)
TANAKA TSUNEHISA (JP)
HASEGAWA TETSUHIRO (JP)
Application Number:
PCT/JP2023/006469
Publication Date:
September 14, 2023
Filing Date:
February 22, 2023
Export Citation:
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Assignee:
KUBOTA KK (JP)
International Classes:
C05F11/00; B09B3/65; C05F17/00
Foreign References:
CN102531801A2012-07-04
JP2018538005A2018-12-27
JP2004323575A2004-11-18
JP2005324079A2005-11-24
Attorney, Agent or Firm:
HASHIMOTO, Kaoru (JP)
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