KR20070046155A - 질소 가스의 분리 방법 및 분자체 탄소 - Google Patents
질소 가스의 분리 방법 및 분자체 탄소 Download PDFInfo
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- KR20070046155A KR20070046155A KR1020077004830A KR20077004830A KR20070046155A KR 20070046155 A KR20070046155 A KR 20070046155A KR 1020077004830 A KR1020077004830 A KR 1020077004830A KR 20077004830 A KR20077004830 A KR 20077004830A KR 20070046155 A KR20070046155 A KR 20070046155A
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- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0433—Physical processing only
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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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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2259/40007—Controlling pressure or temperature swing adsorption
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/02—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D53/02—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
- 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
- B01D53/047—Pressure swing adsorption
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
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- Oil, Petroleum & Natural Gas (AREA)
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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Abstract
Description
Claims (8)
- 분자체 탄소를 충전한 적어도 2 기의 흡착탑의 일방에 질소를 주성분으로 하는 원료 가스를 가압 하에서 공급하여 고압 흡착을 실시하고, 흡착을 끝낸 흡착탑은 저압 재생을 실시하며, 각각의 흡착탑에서 고압 흡착과 저압 재생을 교대로 반복하여 질소를 제품 가스로서 분리하는 질소 가스의 분리 방법에 있어서, 분자체 탄소로서 강열 잔분 0.7중량% 이하인 분자체 탄소를 사용하여, 하기 (I 및 II) 식을 만족시키는 것을 특징으로 하는 질소 가스의 분리 방법.(1)lnC≤0.325+5.14×ln{(0.64+0.098)×Q/(P+0.098)} (I)(2)lnU≤2.124-0.135×lnC (II)(식 중, C 는 제품 질소 중의 산소 농도 (ppm), Q 는 1 분 동안에 제조되는 흡착탑 1 기의 유효 용적당 질소 가스량, P 는 흡착 압력 (MPa), U 는 제조되는 질소 가스량에 대한 원료 공기량의 비율을 나타냄.)
- 제 1 항에 있어서,이 분자체 탄소가 식물계 탄소질 재료를 원료로 하는 분자체 탄소인 것을 특징으로 하는 질소 가스의 분리 방법.
- 제 2 항에 있어서,이 식물계 탄소질 재료가 야자 껍질인 것을 특징으로 하는 질소 가스의 분리 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,이 분자체 탄소가 구상 또는 원주상인 것을 특징으로 하는 질소 가스의 분리 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,이 분자체 탄소의 외경이 0.4∼1.5㎜ 인 것을 특징으로 하는 질소 가스의 분리 방법.
- 강열 잔분이 0.7% 이하인 분자체 탄소로서, 적어도 2 기의 흡착탑의 일방에 질소를 주성분으로 하는 원료 가스를 가압 하에서 공급하여 고압 흡착을 실시하고, 흡착을 끝낸 흡착탑은 저압 재생을 실시하고, 각각의 흡착탑에서 고압 흡착과 저압 재생을 교대로 반복하여 질소를 제품 가스로서 분리할 때에, 하기 (I' 및 II') 식을 만족시키는 것을 특징으로 하는 분자체 탄소.(1)lnC≤0.325+5.14×ln{(0.64+0.098)×Q/(P+0.098)} (I')(2)lnU≤2.124-0.135×lnC (II')(식 중, C 는 제품 질소 중의 산소 농도 (ppm), Q 는 1 분 동안에 제조되는 흡착탑 1 기의 유효 용적당 질소 가스량, P 는 흡착 압력 (MPa), U 는 제조되는 질소 가스량에 대한 원료 공기량의 비율을 나타냄.)
- 제 6 항에 있어서,이 분자체 탄소가, 식물계의 탄소재를 원료로 하는 분자체 탄소이고, 세공 조정을 실시하는 공정 이전에 탈회 처리를 실시하는 것을 특징으로 하는 분자체 탄소.
- 제 7 항에 있어서,이 식물계 탄소질 재료가 야자 껍질인 것을 특징으로 하는 분자체 탄소.
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KR20070046155A true KR20070046155A (ko) | 2007-05-02 |
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US (1) | US7670408B2 (ko) |
EP (1) | EP1798197B1 (ko) |
JP (1) | JP4893944B2 (ko) |
KR (1) | KR100851798B1 (ko) |
CN (1) | CN100548874C (ko) |
RU (1) | RU2355630C2 (ko) |
WO (1) | WO2006025198A1 (ko) |
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