Title:
PURIFICATION AND RECIRCULATION SYSTEM AND METHOD FOR IMPROVING RECOVERY EFFICIENCY OF METHANE IN BIOGAS
Document Type and Number:
WIPO Patent Application WO/2022/055125
Kind Code:
A1
Abstract:
The present invention provides a purification and recirculation system for improving the recovery efficiency of methane in biogas, comprising: a compressor for compressing inflow biogas; a separation membrane process part for separating the compressed biogas into biomethane, concentrated carbon dioxide and a by-product gas; and a gas electric generator for producing electricity by using the by-product gas, wherein the by-product gas generated at the separation membrane process part is recirculated or is supplied to the gas electric generator to produce electricity.
Inventors:
CHANG WON SEOK (KR)
LIM JONG WON (KR)
PARK SUNG YONG (KR)
OH JIN SOO (KR)
KIM KYUNG MIN (KR)
LEE JONG JUN (KR)
NAMGUNG HYEONG GYU (KR)
HA SEONG YONG (KR)
LEE CHUNG SEOP (KR)
HAN SANG HOON (KR)
YIM JIN HYUK (KR)
KIM SE JONG (KR)
LIM JONG WON (KR)
PARK SUNG YONG (KR)
OH JIN SOO (KR)
KIM KYUNG MIN (KR)
LEE JONG JUN (KR)
NAMGUNG HYEONG GYU (KR)
HA SEONG YONG (KR)
LEE CHUNG SEOP (KR)
HAN SANG HOON (KR)
YIM JIN HYUK (KR)
KIM SE JONG (KR)
Application Number:
PCT/KR2021/009722
Publication Date:
March 17, 2022
Filing Date:
July 27, 2021
Export Citation:
Assignee:
KOREA DISTR HEATING CORP (KR)
AIRRANE CO LTD (KR)
AIRRANE CO LTD (KR)
International Classes:
B01D53/22; B01D61/58; B01D71/16; B01D71/50; B01D71/64; B01D71/68; C02F3/28; C02F11/04; F03G7/00
Foreign References:
| KR101529130B1 | 2015-06-17 | |||
| US6601543B2 | 2003-08-05 | |||
| KR101653362B1 | 2016-09-01 | |||
| KR101086798B1 | 2011-11-25 | |||
| JP2009242773A | 2009-10-22 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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