KR20100073614A - 이산화탄소의 회수 방법 - Google Patents
이산화탄소의 회수 방법 Download PDFInfo
- Publication number
- KR20100073614A KR20100073614A KR1020080132330A KR20080132330A KR20100073614A KR 20100073614 A KR20100073614 A KR 20100073614A KR 1020080132330 A KR1020080132330 A KR 1020080132330A KR 20080132330 A KR20080132330 A KR 20080132330A KR 20100073614 A KR20100073614 A KR 20100073614A
- Authority
- KR
- South Korea
- Prior art keywords
- carbon dioxide
- ammonia water
- flue
- waste heat
- gas
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 82
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000007789 gas Substances 0.000 title claims abstract description 30
- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 69
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 69
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 40
- 239000003546 flue gas Substances 0.000 claims description 40
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 5
- 239000010849 combustible waste Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 description 23
- 239000002250 absorbent Substances 0.000 description 23
- 150000001412 amines Chemical class 0.000 description 12
- 230000008929 regeneration Effects 0.000 description 12
- 238000011069 regeneration method Methods 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 amine compound Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/14—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 absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/343—Heat recovery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/102—Ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
Claims (8)
- (a) 이산화탄소를 함유하는 배가스를 암모니아수가 공급되는 흡수탑에 공급하여 암모니아수로 배가스 중에 함유된 이산화탄소를 흡수하는 단계,(b) 상기 이산화탄소가 흡수된 암모니아수를 탈거탑으로 이송하는 단계,(c) 연돌 배가스의 폐열을 이용하여 상기 이산화탄소가 흡수된 암모니아수로부터 이산화탄소를 분리 및 회수하고, 암모니아수를 재생하는 단계를 포함하는 이산화탄소의 회수 방법.
- 제1항에 있어서, 상기 (c)단계의 연돌 배가스의 폐열은 110 내지 120 ℃의 저압스팀의 열을 공급하는 것인, 이산화탄소의 분리 및 회수방법.
- 제1항에 있어서, 상기 (c)단계의 연돌 배가스의 폐열은 발전소 또는 제철소의 연돌로부터 배출되는 연돌 배가스 또는 최종 공정 중의 연돌 배가스로부터 회수된 폐열을 포함하는 이산화탄소의 분리 및 회수방법.
- 제3항에 있어서, 상기 연돌 배가스는 배가스 배출원으로부터 히트파이프를 통해 회수되는, 이산화탄소의 분리 및 회수방법.
- 제1항에 있어서, 상기 (b)단계에서 이산화탄소는 80 내지 96 ℃의 가열을 통 한 증류로 분리되는, 이산화탄소의 분리 및 회수방법.
- 제1항에 있어서, 상기 (a)단계의 암모니아수는 1 내지 15 중량%의 암모니아수를 사용하는 것인, 이산화탄소의 분리 및 회수방법.
- 제1항에 있어서, 상기 (a)단계의 암모니아수는 흡수탑의 상부로 공급되고, 배가스는 흡수탑의 하부로 공급되는 것인, 이산화탄소의 분리 및 회수방법.
- 제1항에 있어서, 상기 (b)단계에서 회수된 이산화탄소는 농도가 95% 이상인, 이산화탄소의 분리 및 회수방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080132330A KR101036651B1 (ko) | 2008-12-23 | 2008-12-23 | 이산화탄소의 회수 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080132330A KR101036651B1 (ko) | 2008-12-23 | 2008-12-23 | 이산화탄소의 회수 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100073614A true KR20100073614A (ko) | 2010-07-01 |
KR101036651B1 KR101036651B1 (ko) | 2011-05-24 |
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KR1020080132330A KR101036651B1 (ko) | 2008-12-23 | 2008-12-23 | 이산화탄소의 회수 방법 |
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KR (1) | KR101036651B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101351316B1 (ko) * | 2011-12-28 | 2014-01-15 | 재단법인 포항산업과학연구원 | 이산화탄소 회수장치 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4035451B2 (ja) * | 2003-02-04 | 2008-01-23 | 新日本製鐵株式会社 | 製鉄所設備を用いた二酸化炭素分離回収システム運用方法 |
KR100836709B1 (ko) * | 2007-02-02 | 2008-06-10 | 한국에너지기술연구원 | 암모니아수를 이용하여 혼합가스에서 이산화탄소를회수하면서 암모니아 손실을 방지하는 방법 및 장치 |
-
2008
- 2008-12-23 KR KR1020080132330A patent/KR101036651B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101351316B1 (ko) * | 2011-12-28 | 2014-01-15 | 재단법인 포항산업과학연구원 | 이산화탄소 회수장치 |
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KR101036651B1 (ko) | 2011-05-24 |
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