HIGH-PURITY METHANE PRODUCTION SYSTEM AND PRODUCTION METHOD WHICH USE TWO-PHASE ANAEROBIC FERMENTATION

WIPO Patent Application WO/2019/132423

A1

A high-purity methane production system and production method which use two-phase anaerobic fermentation are disclosed. The high-purity methane production system can comprise: a waste storage tank for storing organic waste; a seed incubator comprising a first incubator, which receives the organic waste from the waste storage tank, and makes hydrogen-producing bacteria for hydrogen production become dominant by using the organic waste and cultures the same, and a second incubator, which makes methanogens for methane production become dominant by using the organic waste and cultures the same; a hydrogen production reactor for receives the organic waste received from the waste storage tank and the hydrogen-producing bacteria cultured in the first incubator, and produces hydrogen, carbon dioxide and an organic acid; a first methane fermentation tank receiving the hydrogen, the carbon dioxide and the organic acid, which were produced in the hydrogen production reactor, so as to produce methane; and a second methane fermentation tank receiving hydrogen and carbon dioxide, which remain after methane production, from the first methane fermentation tank and the methanogens cultured in the second incubator, so as to produce methane.

CHEONG DAEYEOL (KR)
KIM HAKCHAN (KR)
LEE JONGHOON (KR)

PCT/KR2018/016366

July 04, 2019

December 20, 2018

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KOREA ELECTRIC POWER CORP (KR)
LG HITACHI WATER SOLUTIONS (KR)

C12M1/107; C12M1/34; C12P5/02

KR100967919B1	2010-07-06
KR20130091535A	2013-08-19
JP2016203153A	2016-12-08
KR20090008987A	2009-01-22
JP2006255538A	2006-09-28
KR101866502B1	2018-07-04

PARK, Jang-Won (KR)

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