KR101036651B1 - 이산화탄소의 회수 방법 - Google Patents
이산화탄소의 회수 방법 Download PDFInfo
- Publication number
- KR101036651B1 KR101036651B1 KR1020080132330A KR20080132330A KR101036651B1 KR 101036651 B1 KR101036651 B1 KR 101036651B1 KR 1020080132330 A KR1020080132330 A KR 1020080132330A KR 20080132330 A KR20080132330 A KR 20080132330A KR 101036651 B1 KR101036651 B1 KR 101036651B1
- Authority
- KR
- South Korea
- Prior art keywords
- carbon dioxide
- ammonia water
- flue
- flue gas
- waste heat
- 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 80
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000002918 waste heat Substances 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 title claims abstract description 26
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 66
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- 230000001172 regenerating effect Effects 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract 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
- 239000002699 waste material Substances 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
- 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
Landscapes
- 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 1 내지 2 중량%의 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 포함하며,상기 (c)단계의 연돌 배가스의 폐열은 110 내지 120 ℃의 저압스팀의 열을 공급하는 이산화탄소의 회수 방법.
- 삭제
- 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 (c)단계에서 이산화탄소는 80 내지 96 ℃의 가열을 통한 증류로 분리되는, 이산화탄소의 분리 및 회수방법.
- 삭제
- 제1항에 있어서, 상기 (a)단계의 암모니아수는 흡수탑의 상부로 공급되고, 배가스는 흡수탑의 하부로 공급되는 것인, 이산화탄소의 분리 및 회수방법.
- 제1항에 있어서, 상기 (c)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 KR20100073614A (ko) | 2010-07-01 |
KR101036651B1 true KR101036651B1 (ko) | 2011-05-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080132330A KR101036651B1 (ko) | 2008-12-23 | 2008-12-23 | 이산화탄소의 회수 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101036651B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101351316B1 (ko) * | 2011-12-28 | 2014-01-15 | 재단법인 포항산업과학연구원 | 이산화탄소 회수장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004237167A (ja) * | 2003-02-04 | 2004-08-26 | Nippon Steel Corp | 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
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004237167A (ja) * | 2003-02-04 | 2004-08-26 | Nippon Steel Corp | 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 |
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KR20100073614A (ko) | 2010-07-01 |
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