KR101350061B1 - 탄소질 공급원료의 히드로메탄화 방법 - Google Patents
탄소질 공급원료의 히드로메탄화 방법 Download PDFInfo
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- KR101350061B1 KR101350061B1 KR1020127009486A KR20127009486A KR101350061B1 KR 101350061 B1 KR101350061 B1 KR 101350061B1 KR 1020127009486 A KR1020127009486 A KR 1020127009486A KR 20127009486 A KR20127009486 A KR 20127009486A KR 101350061 B1 KR101350061 B1 KR 101350061B1
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- methane
- hydromethanation
- gas
- steam
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- 230000008569 process Effects 0.000 title claims abstract description 130
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- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 91
- 238000006243 chemical reaction Methods 0.000 claims description 85
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- 239000000047 product Substances 0.000 claims description 76
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 56
- 229910052760 oxygen Inorganic materials 0.000 claims description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 54
- 239000001301 oxygen Substances 0.000 claims description 54
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Abstract
Description
도 2는 메탄-풍부 조 생성물 스트림 및 임의로 합성가스 조 생성물 스트림의 추가의 처리를 위한 공정의 다이어그램이다.
Claims (14)
- (a) 제1 탄소질 공급원료 및 산소를 합성가스 생성기에 공급하는 단계;
(b) 합성가스 생성기에서 산소의 존재 하에 제1 탄소질 공급원료를 반응시켜 제1 온도 및 제1 압력에서 수소, 일산화탄소 및 열 에너지를 포함하는 제1 가스 스트림을 생성하는 단계;
(c) 제1 가스 스트림을 제1 열 교환기 유닛에 도입하여 열 에너지를 제거하고 제2 온도 및 제2 압력에서 수소 및 일산화탄소를 포함하는 냉각된 제1 가스 스트림을 생성하는 단계;
(d) 냉각된 제1 가스 스트림을 히드로메탄화 가스 공급 스트림, 및 일산화탄소 및 수소를 포함하는 합성가스 조 생성물 스트림으로 분리하는 단계;
(f) 제2 탄소질 공급원료, 히드로메탄화 촉매 및 히드로메탄화 가스 공급 스트림을 히드로메탄화 반응기에 도입하는 단계;
(g) 히드로메탄화 반응기에서 일산화탄소, 수소, 스팀 및 히드로메탄화 촉매의 존재 하에, 적어도 700℉ (371℃) 내지 1500℉ (816℃)까지인 제4 온도 및 250 psig (1825 kPa, 절대압) 내지 800 psig (5617 kPa, 절대압)까지인 제4 압력에서 제2 탄소질 공급원료를 반응시켜 메탄, 일산화탄소, 수소, 이산화탄소, 황화수소 및 열 에너지를 포함하는 메탄-풍부 조 생성물 스트림을 생성하는 단계; 및
(h) 메탄-풍부 조 생성물 스트림을 히드로메탄화 반응기로부터 배출하는 단계
를 포함하며, 여기서:
단계 (g)에서의 반응은 합성가스 요구량, 스팀 요구량 및 열 요구량을 갖고;
히드로메탄화 가스 공급 스트림 중 일산화탄소 및 수소의 양은 적어도 단계 (g)에서의 반응의 합성가스 요구량을 충족시키기에 충분하고;
단계 (d)로부터의 히드로메탄화 가스 공급 스트림 중 스팀의 양이 단계 (g)에서의 반응의 스팀 요구량을 충족시키기에 불충분한 경우에, 스팀을 적어도 단계 (g)에서의 반응의 스팀 요구량을 충족시키기에 충분한 양으로 히드로메탄화 가스 공급 스트림에 첨가하고;
제2 온도가 단계 (g)에서의 반응의 열 요구량을 충족시키기에 불충분한 경우에, 열 에너지를 적어도 단계 (g)에서의 반응의 열 요구량을 충족시키기에 충분한 양으로 히드로메탄화 가스 공급 스트림에 첨가하는 것인,
하나 이상의 탄소질 공급원료로부터 메탄-풍부 조 생성물 스트림 및 합성가스 조 생성물 스트림을 생성하는 방법. - 제1항에 있어서, 메탄-풍부 조 생성물 스트림이 20 mol% 이상의 메탄 (메탄-풍부 조 생성물 스트림 중 메탄, 이산화탄소, 일산화탄소 및 수소의 mol을 기준으로 함)을 포함하고, 메탄-풍부 조 생성물 스트림이 50 mol% 이상의 메탄 + 이산화탄소 (메탄-풍부 조 생성물 스트림 중 메탄, 이산화탄소, 일산화탄소 및 수소의 mol을 기준으로 함)를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 스팀을 합성가스 생성기에 공급하고, 제1 가스 스트림이 스팀을 추가로 포함하는 것인 방법.
- 제1항에 있어서, 차르 부산물이 단계 (g)에서 생성되고, 이를 연속적으로 또는 주기적으로 히드로메탄화 반응기로부터 배출하고; 히드로메탄화 촉매가 알칼리 금속을 포함하고; 차르 부산물이 히드로메탄화 촉매로부터의 알칼리 금속 함유물을 포함하고; 차르 부산물의 적어도 일부를 처리하여 알칼리 금속 함유물의 적어도 일부를 회수하고, 회수된 알칼리 금속 함유물의 적어도 일부를 히드로메탄화 촉매로서 사용하기 위해 재순환시키는 것인 방법.
- 제1항에 있어서, 단계 (a), (b), (c), (d), (g) 및 (h)가 연속적인 방식으로 수행되는 연속 공정인 것인 방법.
- 제1항에 있어서, 메탄-풍부 조 생성물 스트림을 처리하여 파이프라인-품질 천연 가스 생성물을 생성하는 단계를 추가로 포함하는 방법.
- 제1항에 있어서, 메탄-풍부 조 생성물 스트림, 및 적어도 일부의 합성가스 조 생성물 스트림을 가스 처리 시스템에서 처리하여 스위트닝된 가스 스트림을 생성하는 것인 방법.
- 제1항에 있어서, 제1 탄소질 공급원료가 회분 함유물을 포함하고, 제1 가스 스트림이 회분 함유물로부터의 잔류물을 포함하고, 회분 함유물로부터의 잔류물을 히드로메탄화 반응기로의 히드로메탄화 가스 공급 스트림의 도입 전에 제거하는 것인 방법.
- 제1항에 있어서, 단계 (a)에서, 물 및 스팀 중 하나 또는 둘 다를 포함하는 수성 스트림을 합성가스 생성기에 공급하고, 제1 가스 스트림이 스팀을 포함하는 것인 방법.
- 제1항에 있어서, 단계 (c)에서, 물 및 스팀 중 하나 또는 둘 다를 포함하는 켄치 스트림을 제1 열 교환기 유닛에 도입하고, 냉각된 제1 가스 스트림이 수소, 일산화탄소 및 스팀을 포함하는 것인 방법.
- 제1항에 있어서, 단계 (f)에서 산소를 히드로메탄화 반응기에 도입하고,
단계 (g)에서, 히드로메탄화 반응기에서 일산화탄소, 수소, 스팀, 히드로메탄화 촉매 및 산소의 존재 하에 제2 탄소질 공급원료를 반응시키는 것인 방법. - 제1항에 있어서, 제2 온도가 700℉ (371℃) 이하인 것인 방법.
- (A) (i) 제1 온도 및 압력에서 일산화탄소 및 수소를 포함하는 제1 가스 스트림을 생성하는 합성가스 생성기, 및 (ii) 제1 가스 스트림에 존재할 수 있는 이산화탄소 및 황화수소를 제거하기 위한 산 가스 제거 유닛을 포함하는 가스 처리 시스템을 포함하는 기존 설비 (여기서, 합성가스 생성기는 가스 처리 시스템과 연결되는 제1 가스 스트림을 위한 배출 라인을 포함함)를 제공하는 단계;
(B) (1) 배출 라인이, 제1 가스 스트림을 냉각시켜 제2 온도 및 제2 압력에서, 냉각된 제1 가스 스트림을 생성하기 위한 냉각 구역을 포함하지 않는 경우에, 가스 처리 시스템 전의 배출 라인으로 이러한 냉각 구역을 삽입하는 변형;
(2) 냉각된 제1 가스 스트림을 합성가스 조 생성물 스트림 및 히드로메탄화 가스 공급 스트림으로 분할하도록 구성되는 가스 스트림 분할 기구를 냉각 구역과 가스 처리 시스템 사이에 삽입하는 변형;
(3) (i) 제2 탄소질 공급원료, 히드로메탄화 촉매 및 히드로메탄화 가스 공급 스트림을 공급받고, (ii) 일산화탄소, 수소, 스팀 및 히드로메탄화 촉매의 존재 하에서 제4 온도 및 제4 압력에서 제2 탄소질 공급원료의 반응을 수용하여 메탄, 일산화탄소, 수소, 이산화탄소, 황화수소 및 열 에너지를 포함하는 메탄-풍부 조 생성물 스트림을 생성하고, (iii) 메탄-풍부 조 생성물 스트림을 배출하도록 구성되며, 가스 스트림 분할 기구와 소통하는, 히드로메탄화 반응기를 삽입하는 변형; 및
(4) 메탄-풍부 생성물 스트림을 가스 처리 시스템에 공급하기 위해 라인을 삽입하는 변형
을 포함하는, 기존 설비를 변형하여 변형된 설비를 제조하는 단계;
(C) 변형된 설비에서 제1항 내지 제12항 중 어느 한 항에 따른 방법을 수행하는 단계; 및
(D) 메탄-풍부 생성물 스트림을 처리하여 스위트닝된 가스 스트림을 생성하는 단계
를 포함하는, 하나 이상의 탄소질 공급원료로부터 메탄 및 수소를 포함하며 이산화탄소 및 황화수소를 함유하지 않는 스위트닝된 가스 스트림을 생성하는 방법. - 제13항에 있어서, 단계 (D)에서, 적어도 일부의 합성가스 조 생성물 스트림을 메탄-풍부 생성물 스트림과 함께 처리하여 스위트닝된 가스 스트림을 생성하는 것인 방법.
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- 2010-09-15 US US12/882,415 patent/US20110062012A1/en not_active Abandoned
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Also Published As
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AU2010295764B2 (en) | 2013-07-25 |
AU2010295764A1 (en) | 2012-04-05 |
US20110062012A1 (en) | 2011-03-17 |
CN102575176A (zh) | 2012-07-11 |
CA2771578A1 (en) | 2011-03-24 |
KR20120090067A (ko) | 2012-08-16 |
WO2011034888A1 (en) | 2011-03-24 |
JP5771615B2 (ja) | 2015-09-02 |
EP2478071A1 (en) | 2012-07-25 |
JP2013505335A (ja) | 2013-02-14 |
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