KR101986776B1 - 흡착-분리막 복합공정을 이용한 바이오가스 정제방법 - Google Patents
흡착-분리막 복합공정을 이용한 바이오가스 정제방법 Download PDFInfo
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- KR101986776B1 KR101986776B1 KR1020160042577A KR20160042577A KR101986776B1 KR 101986776 B1 KR101986776 B1 KR 101986776B1 KR 1020160042577 A KR1020160042577 A KR 1020160042577A KR 20160042577 A KR20160042577 A KR 20160042577A KR 101986776 B1 KR101986776 B1 KR 101986776B1
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- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
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- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
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- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
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- B01D71/68—Polysulfones; Polyethersulfones
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Abstract
Description
항목 | 1000 | 101 | 102 | 201 | 201, 2000 | 301 | 302 | 401, 3000 |
유량(LPM) | 110.0 | 132.0 | 132.0 | 66.0 | 66.0 | 44.0 | 22.0 | 44.0 |
CH4(mol.%) | 60.0 | 60.0 | 60.0 | 23.3 | 96.7 | 5.0 | 60.0 | 5.0 |
CO2(mol.%) | 40.0 | 40.0 | 40.0 | 76.7 | 3.3 | 95.0 | 40.0 | 95.0 |
100 : 가스 압축기 101 : 유입부 102 : 압축부
200 : 흡착장치 201 : 배출부 202 : 정제부
300 : 분리막 모듈 301 : 배출부 302 : 정제부
400 : 감압장치 401 : 배출부
Claims (9)
- I) 바이오가스를 가스 압축기로 공급하는 단계;
II) 상기 압축된 바이오가스로부터 흡착장치를 통하여 이산화탄소를 흡착하는 단계; 및
III) 상기 흡착단계에서의 탈착가스를 분리막 모듈을 통하여 분리 정제하되, 상기 분리막 모듈은 그 배출부에 감압장치가 구비되고, 상기 감압장치는 압력 게이지 기준 -0.95 bar 내지 -0.5 bar에서 운전하며, 정제된 메탄은 바이오가스와 함께 재순환시키고 이산화탄소는 분리 및 배출하는 단계;를 포함하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법. - 삭제
- 삭제
- 제1항에 있어서, 상기 분리막 모듈은 이산화탄소의 투과도가 200 GPU 이상인 것을 특징으로 하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법.
- 제1항에 있어서, 상기 분리막 모듈은 이산화탄소/메탄의 선택도가 25 이상인 것을 특징으로 하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법.
- 제1항에 있어서, 상기 분리막 모듈의 분리막 소재는 폴리술폰, 폴리에테르술폰, 폴리이미드, 폴리에테르이미드, 폴리아미드, 폴리카보네이트, 폴리아크릴로니트릴 및 셀룰로오즈아세테이트로 이루어진 군으로부터 선택된 어느 하나의 것을 특징으로 하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법.
- 제6항에 있어서, 상기 분리막은 중공사 복합막인 것을 특징으로 하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법.
- 제7항에 있어서, 상기 중공사 복합막은 중공사막의 표면에 폴리에틸렌 글리콜 또는 폴리에틸렌/프로필렌 글리콜을 포함하는 반복단위가 그라프트된 유기폴리실록산 공중합체로 코팅된 것을 특징으로 하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법.
- 제8항에 있어서, 상기 폴리에틸렌 글리콜 또는 폴리에틸렌/프로필렌 글리콜을 포함하는 반복단위가 그라프트된 유기폴리실록산 공중합체는 폴리[디메틸실록산-co-메틸(3-히드록시프로필)실록산]-그라프트-폴리(에틸렌 글리콜) 메틸 에테르, 폴리[디메틸실록산-co-메틸(3-히드록시프로필)실록산]-그라프트-폴리(에틸렌/프로필렌 글리콜) 메틸 에테르, 폴리[디메틸실록산-co-메틸(3-히드록시프로필)실록산]-그라프트-폴리(에틸렌 글리콜), 폴리[디메틸실록산-co-메틸(3-히드록시프로필)실록산]-그라프트-폴리(에틸렌/프로필렌 글리콜), 폴리[디메틸실록산-co-메틸(3-히드록시프로필)실록산]-그라프트-폴리(에틸렌 글리콜) 3-아미노프로필 에테르 또는 폴리[디메틸실록산-co-메틸(3-히드록시프로필)실록산]-그라프트-폴리(에틸렌 글리콜) [3-(트리메틸암모니오)프로필 클로라이드로 이루어진 군으로부터 선택된 어느 하나 또는 이들의 혼합물인 것을 특징으로 하는 흡착-분리막 복합공정을 이용한 바이오가스 정제방법.
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EP4349455A1 (en) | 2022-10-06 | 2024-04-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Improved integrated system and method for methane production using off gas recycling to anaerobic digester from a gas separation membrane unit |
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WO2020218653A1 (ko) * | 2019-04-26 | 2020-10-29 | (주)에어레인 | 연소배가스를 이용한 질소농축공기의 제조방법 |
WO2023277203A1 (ko) * | 2021-06-28 | 2023-01-05 | ㈜에어레인 | 막제습기에 의한 제습과정이 연계된 연소배가스의 이산화탄소 포집공정 |
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KR101531605B1 (ko) * | 2014-09-18 | 2015-06-26 | 한국화학연구원 | 고순도 메탄가스의 분리를 위한 저온, 저압의 운전조건을 가진 2 단 막분리 정제공정 및 장치 |
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US4230463A (en) | 1977-09-13 | 1980-10-28 | Monsanto Company | Multicomponent membranes for gas separations |
US7479300B2 (en) * | 2005-03-30 | 2009-01-20 | Woongjin Chemical Co., Ltd. | Composite polyamide reverse osmosis membrane and method of producing the same |
KR100644366B1 (ko) | 2005-11-08 | 2006-11-10 | 한국화학연구원 | 비대칭 기체분리용 고분자 중공사막의 대량 제조방법 |
DE102008041477A1 (de) * | 2008-08-22 | 2010-02-25 | Wacker Chemie Ag | Poröse Membranen aus Organopolysiloxan Copolymeren |
KR101461199B1 (ko) * | 2012-07-27 | 2014-11-18 | (주)에어레인 | 바이오가스 정제공정의 이산화탄소/메탄 분리용 중공사 복합막, 이를 포함하는 막모듈 및 그 제조방법 |
KR101444186B1 (ko) | 2013-06-21 | 2014-09-26 | 현대건설주식회사 | 바이오가스 정제장치 및 정제방법 |
KR101653362B1 (ko) * | 2014-03-05 | 2016-09-01 | 한국기계연구원 | 막 분리와 엔진 연소기술을 이용한 바이오메탄 및 전기 동시 생산 장치 |
KR101658448B1 (ko) * | 2014-06-27 | 2016-09-30 | 한국에너지기술연구원 | 천연가스에 포함된 산성가스 및 수분 제거를 위한 다단계 혼성 장치 및 방법 |
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KR101531605B1 (ko) * | 2014-09-18 | 2015-06-26 | 한국화학연구원 | 고순도 메탄가스의 분리를 위한 저온, 저압의 운전조건을 가진 2 단 막분리 정제공정 및 장치 |
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EP4349455A1 (en) | 2022-10-06 | 2024-04-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Improved integrated system and method for methane production using off gas recycling to anaerobic digester from a gas separation membrane unit |
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