Title:
BIOGAS UPGRADING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/004699
Kind Code:
A1
Abstract:
The present invention relates to a biogas upgrading system comprising: a pretreatment device for processing sulfur dioxide from biogas; an absorbing membrane contactor which receives an absorbent supplied from an absorbent tank and reacts the absorbent with biogas introduced from the pretreatment device so as to discharge the carbon dioxide-absorbed absorbent and discharge pure methane to a methane storage tank; and a removing membrane contactor which receives the carbon dioxide-absorbed absorbent supplied from the absorbing membrane contactor and separates carbon dioxide from the absorbent so as to discharge the carbon dioxide to a carbon dioxide storage tank and discharge the carbon dioxide-separated absorbent to the absorbent tank.
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Inventors:
MOON WON HO (KR)
SEONG WANG GI (KR)
JOUNG SUNG YONG (KR)
WON KWANG YOUN (KR)
KIM SEONG CHEOL (KR)
KIM JU WON (KR)
SEONG WANG GI (KR)
JOUNG SUNG YONG (KR)
WON KWANG YOUN (KR)
KIM SEONG CHEOL (KR)
KIM JU WON (KR)
Application Number:
PCT/KR2018/007807
Publication Date:
January 02, 2020
Filing Date:
July 10, 2018
Export Citation:
Assignee:
EK CO LTD (KR)
International Classes:
B01D53/75; B01D53/14; B01D53/22; B01D53/26; B01D53/48
Foreign References:
| KR101534802B1 | 2015-07-07 | |||
| KR20130003236A | 2013-01-09 | |||
| KR101611562B1 | 2016-04-11 | |||
| KR100908094B1 | 2009-07-16 | |||
| KR101327338B1 | 2013-11-11 |
Attorney, Agent or Firm:
TW INTERNATIONAL PATENT AND LAWFIRM (KR)
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