KR101088614B1 - 연료 전지 시스템용 압력 변동 개질 방법 - Google Patents
연료 전지 시스템용 압력 변동 개질 방법 Download PDFInfo
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- KR101088614B1 KR101088614B1 KR1020057016086A KR20057016086A KR101088614B1 KR 101088614 B1 KR101088614 B1 KR 101088614B1 KR 1020057016086 A KR1020057016086 A KR 1020057016086A KR 20057016086 A KR20057016086 A KR 20057016086A KR 101088614 B1 KR101088614 B1 KR 101088614B1
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Abstract
Description
Claims (18)
- (A) i. 상 충진 물질 및 개질 촉매를 함유하는 반응기의 제 1 대역을 통해, 개질 조건하에서 500hr-1 이상의 공간 속도 C1GHSV로, 탄화수소 함유 공급물 및 수증기를 도입하고(여기서, C1GHSV는 C1(carbon one)을 기준으로 하는 탄화수소 공급물의 공간 속도이다);ii. 단계 i의 생성물의 일부 또는 전체를, 상 충진 물질을 함유하는 반응기의 제 2 대역을 통해 통과시키고, 상기 생성물로부터의 열을 충진 물질로 전달하며;iii. 수소가 풍부한 개질 생성물을 포함하는 상기 생성물을 제 2 대역으로부터 모두 제거하고;iv. 제 2 대역 내로 산소-함유 기체를 도입하고, 제 1 대역과 제 2 대역 사이의 계면에 근접한 영역에서 상기 기체 및 연료를 연소시켜 열 및 연소 생성물을 생성시키고, 연소열을 제 1 대역의 상 충진 물질에 전달하고;v. 연소 생성물을 제 1 대역으로부터 모두 제거함을 포함하는 순환식 개질 및 재생 공정에서 탄화수소 함유 공급물을 수증기로 개질시키며;(B) 단계 iii으로부터의 상기 개질 생성물을 연료 전지에 공급함을 포함하는, 연료 전지용 연료를 생성시키는 방법.
- 제 1 항에 있어서,(A) 단계 i의 공급물 및 수증기를 제 1 대역의 제 1 말단을 통해 도입하고,(B) 단계 i의 생성물을 제 1 대역의 제 2 말단으로부터 제 2 대역의 제 1 말단으로 통과시키고,(C) 개질 생성물을 제 2 대역의 제 2 말단으로부터 제거하고,(D) 산소-함유 기체를 제 2 대역의 제 2 말단을 통해 도입하며,(E) 연소 생성물을 제 1 대역의 제 1 말단으로부터 제거하는 방법.
- 제 2 항에 있어서,단계 iii 후 단계 iv 전에, 기체를 제 2 대역의 제 2 말단으로부터 제 1 말단으로, 이어 제 1 대역의 제 2 말단으로부터 제 1 말단으로 통과시킴으로써, 제 2 대역으로부터 제 1 대역으로 열을 전달하는 방법.
- 제 1 항에 있어서,단계 i, ii 및 iii의 개질을 단계 iv의 상기 제 1 대역의 열 발생보다 더 높은 압력에서 수행하는 방법.
- 제 1 항에 있어서,상기 순환식 공정을, 0.1 내지 500℃의 ΔTHT를 제공하기에 충분한 상 충진 및 공간 속도 조건하에서 수행하는 방법.
- 제 1 항에 있어서,반응기 상 충진 물질이 0.05cal/cm3s℃보다 큰 체적(volumetric) 열 전달 계수를 갖는 방법.
- 제 1 항에 있어서,충진 물질이 15개 채널/cm2 내지 500개 채널/cm2의 채널 밀도를 갖는 벌집형 구조체(honeycomb monolith)인 방법.
- 제 1 항에 있어서,수증기와 함께 탄화수소 함유 공급물이 20 내지 600℃의 입구 온도를 갖고, 개질 조건이, 일부 또는 전체가 700 내지 2000℃로 가열된 개질 촉매를 포함하는 방법.
- 제 1 항에 있어서,단계 iii으로부터의 상기 개질 생성물을 물-기체 전환(water-gas shift) 촉매상에서 반응시켜, 수소 농도가 증가된 합성 기체를 생성시키는 방법.
- 제 9 항에 있어서,상기 개질 생성물 또는 합성 기체를 수소 분리 수단에 공급하여, 수소 농도가 증가된 연료 전지 공급 기체 및 수소가 고갈된 퍼지 스트림을 생성시키는 방법.
- 제 10 항에 있어서,상기 수소 분리 수단이 (i) 막 분리 수단, (ii) 압력 변동 흡착 및 (iii) 온도 변동 흡착으로 이루어진 군으로부터 선택되는 방법.
- 제 10 항에 있어서,퍼지 스트림이 단계 iv의 연료의 일부 또는 전체를 공급하는 방법.
- 제 9 항에 있어서,공급물, 수증기 또는 이들 모두를 물-기체 전환 촉매의 합성 기체 생성물과 열 교환시키는 방법.
- 제 1 항에 있어서,물 회수 장치를 사용하여 연료 전지 캐쏘드 배기 가스로부터 물을 추출하고, 상기 물을 사용하여 압력 변동 개질 공정에 수증기를 공급하는 방법.
- 제 1 항에 있어서,연료 전지로부터의 캐쏘드 배기 가스가 단계 iv의 산소 함유 기체의 일부 또는 전체를 공급하는 방법.
- 제 1 항, 제 9 항 및 제 10 항중 어느 한 항에 있어서,개질 생성물, 합성 기체, 연료 전지 공급 기체 또는 이들의 조합으로부터의 열을 이용하여 수증기를 생성시키는 방법.
- 제 1 항에 있어서,상기 제 1 대역과 제 2 대역 사이의 계면에서 온도를 측정하고, 소정의 제 1 온도에 도달할 때 산소-함유 기체를 상기 제 2 대역에 도입하며;상기 제 1 대역의 제 1 말단에서 온도를 측정하고, 소정의 제 2 온도에 도달할 때 탄화수소 함유 공급물 및 수증기 공급물을 상기 제 1 대역의 상기 제 1 말단에 도입함을 포함하는 방법.
- 제 1 항에 있어서,상기 제 1 대역과 제 2 대역 사이의 계면에서 온도를 측정하고, 소정 온도에 도달할 때 상기 재생 단계 (iv)를 개시하고;상기 제 1 대역의 제 1 말단에서 온도를 측정하고, 소정의 제 2 온도에 도달할 때 상기 개질 및 회수 단계 (i), (ii) 및 (iii)을 개시함을 포함하는 방법.
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CN1863730B (zh) | 2013-06-19 |
MXPA05008564A (es) | 2005-11-04 |
JP2006520527A (ja) | 2006-09-07 |
AU2004217989B2 (en) | 2008-03-20 |
US7217303B2 (en) | 2007-05-15 |
JP4714680B2 (ja) | 2011-06-29 |
DE602004026693D1 (de) | 2010-06-02 |
EP1601615A1 (en) | 2005-12-07 |
CA2515514A1 (en) | 2004-09-16 |
EP1601615B1 (en) | 2010-04-21 |
US20040175326A1 (en) | 2004-09-09 |
CA2515514C (en) | 2012-08-07 |
WO2004078646A1 (en) | 2004-09-16 |
KR20050115886A (ko) | 2005-12-08 |
CN1863730A (zh) | 2006-11-15 |
ATE465124T1 (de) | 2010-05-15 |
AU2004217989A1 (en) | 2004-09-16 |
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