Title:
HYDROTHERMAL TREATMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/138201
Kind Code:
A1
Abstract:
A hydrothermal treatment system (1) comprising: a hydrothermal treatment device (10) that causes organic matter-containing waste to undergo a hydrothermal reaction; an adjustment tank (11) that humidifies a hydrothermal treatment product obtained by the hydrothermal reaction; a first transport device (21) that transports the humidified hydrothermal treatment product; a pressure-separation device (12) that applies pressure to the transported hydrothermal treatment product to separate the transported hydrothermal treatment product into hydrothermal treatment liquid and residue; a solubilization tank (13) that retains and heats the separated hydrothermal treatment liquid; a second transport device (12) that transports the heated and solubilized hydrothermal treatment liquid back to the adjustment tank (11); a methane fermentation device (14) that generates methane gas and digestion liquid using the hydrothermal treatment liquid retained in the solubilization tank (13); a dehydrator (15) that separates the digestion liquid into dehydration sludge and dehydration separation liquid; and a waste liquid treatment device (16) that subjects the dehydration separation liquid to nitrification and denitrogenation to generate recycled water. The second transport device (22) transports the hydrothermal treatment liquid to the methane fermentation device (14) when the concentration of organic matter contained in the hydrothermal treatment liquid retained in the solubilization tank (13) is at a predetermined concentration.
Inventors:
HARDI FLABIANUS (JP)
Application Number:
PCT/JP2021/045318
Publication Date:
June 30, 2022
Filing Date:
December 09, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEMICAL ENG CO LTD (JP)
International Classes:
B09B3/65; B09B3/70; C02F11/04; C02F11/06; C02F11/08; C02F11/125; C02F11/126
Domestic Patent References:
| WO2006117934A1 | 2006-11-09 | |||
| WO2012172329A2 | 2012-12-20 |
Foreign References:
| JP2015217345A | 2015-12-07 | |||
| JP2008194623A | 2008-08-28 | |||
| JP2009119378A | 2009-06-04 | |||
| JP2018203842A | 2018-12-27 |
Attorney, Agent or Firm:
SANADA, Tamotsu (JP)
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