KR101728809B1 - 질소 선택적 흡착능을 갖는 유무기 하이브리드 나노세공체 및 이를 이용한 질소 함유 혼합기체의 분리 방법 - Google Patents
질소 선택적 흡착능을 갖는 유무기 하이브리드 나노세공체 및 이를 이용한 질소 함유 혼합기체의 분리 방법 Download PDFInfo
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- KR101728809B1 KR101728809B1 KR1020140128638A KR20140128638A KR101728809B1 KR 101728809 B1 KR101728809 B1 KR 101728809B1 KR 1020140128638 A KR1020140128638 A KR 1020140128638A KR 20140128638 A KR20140128638 A KR 20140128638A KR 101728809 B1 KR101728809 B1 KR 101728809B1
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- 239000007789 gas Substances 0.000 title claims abstract 18
- 238000000034 method Methods 0.000 title claims abstract 10
- 239000000203 mixture Substances 0.000 title claims abstract 10
- 238000000926 separation method Methods 0.000 title claims abstract 8
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 title claims 2
- 239000000463 material Substances 0.000 title 1
- 238000002429 nitrogen sorption measurement Methods 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract 97
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract 49
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract 26
- 239000003463 adsorbent Substances 0.000 claims abstract 23
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 14
- 239000001301 oxygen Substances 0.000 claims abstract 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract 14
- 229910052786 argon Inorganic materials 0.000 claims abstract 11
- 229910052751 metal Inorganic materials 0.000 claims abstract 8
- 239000002184 metal Substances 0.000 claims abstract 8
- 239000011261 inert gas Substances 0.000 claims abstract 5
- 238000001179 sorption measurement Methods 0.000 claims abstract 5
- 239000011148 porous material Substances 0.000 claims abstract 4
- 239000007783 nanoporous material Substances 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- 125000004122 cyclic group Chemical group 0.000 claims 2
- 239000012510 hollow fiber Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000003345 natural gas Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000013291 MIL-100 Substances 0.000 claims 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 239000001307 helium Substances 0.000 claims 1
- 229910052734 helium Inorganic materials 0.000 claims 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000003446 ligand Substances 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 229910052754 neon Inorganic materials 0.000 claims 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 239000010955 niobium Substances 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- -1 zirconium ions Chemical class 0.000 claims 1
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Abstract
Description
도 2는 본 발명에 따른 질소 선택적 흡착제 및 PSA 분리법을 이용하고 추가로 액화공정을 포함하는 액화 메탄 제조 공정을 개략적으로 나타낸 도이다. C1 내지 C3은 다단 압축기를, PSA는 압력순환흡착을 의미한다.
도 3은 MIL-100(Cr) 흡착제 분말의 X-선 회절 스펙트럼을 나타낸 도이다.
도 4는 MIL-100(Cr) 흡착제의 -196℃ 저온에서 측정한 질소의 물리흡착 등온선을 나타낸 도이다.
도 5은 MIL-100(Cr) 흡착제에서 흡착온도 10℃, 흡착압력 1기압 범위에서 질소와 메탄의 흡착에 대한 등온선을 나타낸 도이다.
도 6는 MIL-100(Cr) 흡착제에서 흡착온도 10℃, 흡착압력 1기압 범위에서 질소, 산소 및 알곤의 흡착에 대한 등온선을 나타낸 도이다.
도 7는 MIL-101(Cr) 흡착제에서 흡착온도 25℃, 흡착압력 20기압 이내의 범위에서 질소, 산소 및 알곤의 흡착에 대한 등온선 및 상기 흡착 등온선을 기초로 이상 흡착 용액 원리를 적용하여 79% 질소 및 21% 산소를 포함하는 기체 혼합물에 대해 10기압까지 산소에 대한 질소의 선택도를 나타낸 도이다.
도 8은 CPO-27(Co) 흡착제에서 흡착온도 25℃, 흡착압력 20기압 이내의 범위에서 질소 및 산소 흡착에 대한 등온선을 나타낸 도이다.
도 9은 본 발명의 일 실시예에 따른 개념적인 공기 분리 장치를 개략적으로 나타낸 도이다.
Claims (19)
- 골격, 표면 또는 세공 내 0.2 mmol/g 내지 10 mmol/g의 밀도의 불포화 금속 배위자리를 갖는 유무기 하이브리드 나노세공체를 포함하여 질소 선택적 흡착능을 갖는 질소 흡착제로서,
상기 불포화 금속 배위자리를 갖는 유무기 하이브리드 나노세공체는 금속으로서 3가의 크롬 이온 또는 코발트 이온, 텅스텐 이온, 몰리브데늄 이온, 루테늄 이온, 니오븀 이온, 망간 이온, 구리 이온, 아연 이온, 티타늄 이온, 및 지르코늄 이온으로 구성된 군으로부터 선택되는 하나 이상의 금속 이온을 포함하는 것인, 질소 흡착제.
- 제1항에 있어서,
상기 불포화 금속 배위자리는 유무기 하이브리드 나노세공체에 포함된 물, 물 이외의 용매 분자 또는 리간드의 일부 또는 전부가 제거되어 형성된 것인 질소 흡착제.
- 삭제
- 삭제
- 제1항에 있어서,
메탄 또는 산소에 대해 질소 선택적인 흡착능을 갖는 것인 질소 흡착제.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제를 포함하는 질소 및 메탄 함유 기체혼합물로부터의 질소 분리 장치.
- 제6항에 있어서,
상기 질소 및 메탄 함유 기체혼합물은 천연가스 또는 셰일가스인 것인 질소 분리 장치.
- 제6항에 있어서,
상기 질소 흡착제는 골격, 표면 또는 세공 내 불포화 금속 배위자리를 갖는 유무기 하이브리드 나노세공체를 함유한 중공사 또는 중공사 형태의 분리막인 것인 질소 분리 장치.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제를 구비한 질소 분리용 압력순환흡착 분리 장치.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제를 구비한 질소 분리용 온도순환흡착 분리 장치.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제를 이용하여 질소 및 메탄 함유 기체혼합물로부터 질소를 제거하는 단계를 포함하는 질소가 제거된 또는 질소 함량이 감소된 천연가스 또는 셰일가스의 제조방법.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제를 이용하여 질소 및 메탄 함유 기체 혼합물로부터 질소를 분리하는 단계; 및
분리된 메탄 또는 분리된 질소를 액화시키는 단계
를 포함하는, 고순도의 액화 메탄 또는 고순도의 액화 질소를 제조하는 방법.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제 및 산소 흡착제를 구비한 질소, 산소 또는 알곤 분리 장치.
- 제13항에 있어서,
상기 질소 흡착제 및 산소 흡착제는 분리하고자 하는 혼합 기체의 흐름에 따라 순차적으로 또는 역순으로 배열된 것인 질소, 산소 또는 알곤 분리 장치.
- 질소, 산소 또는 알곤을 함유하는 혼합 기체로부터 분리된 고순도 질소, 분리된 고순도 산소 또는 분리된 고순도 알곤을 제조하는 방법에 있어서,
제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제로 처리하는 제1단계; 및
산소 흡착제로 처리하는 제2단계를 포함하되,
제1단계 및 제2단계는 순차적으로 또는 역순으로 수행되는 것인 분리된 고순도 질소, 분리된 고순도 산소 또는 분리된 고순도 알곤의 제조방법.
- 제15항에 있어서,
분리된 고순도 질소, 분리된 고순도 산소 또는 분리된 고순도 알곤을 액화하는 단계를 추가로 포함하는 것인 제조방법.
- 제1항, 제2항 및 제5항 중 어느 한 항에 기재된 질소 흡착제를 이용하여 -20℃ 내지 80℃의 흡착온도에서 기체를 흡착시키는 단계를 포함하는, 질소 및 불활성 기체 함유 기체혼합물로부터 분리된 질소 또는 분리된 고순도 불활성 기체를 제조하는 방법.
- 제17항에 있어서,
상기 불활성 기체는 헬륨, 네온, 알곤 및 수소로 구성된 군으로부터 선택되는 하나 이상인 것인 분리된 질소 또는 분리된 고순도 불활성 기체를 제조하는 방법.
- 철을 중심금속으로 함유하고 골격, 표면 또는 세공 내 0.2 mmol/g 내지 10 mmol/g의 밀도의 불포화 금속 배위자리를 갖는 유무기 하이브리드 나노세공체 MIL-100(Fe)를 흡착제에 기체를 흡착시키는 단계; 및 투과된 기체를 포집하는 단계를 포함하는, 산소, 질소 및 이들의 혼합을 포함하는 알곤 함유 혼합 기체로부터 분리된 고순도 알곤을 제조하는 방법.
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