KR100782387B1 - 배기 가스 처리 방법 - Google Patents
배기 가스 처리 방법 Download PDFInfo
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- KR100782387B1 KR100782387B1 KR1020040083827A KR20040083827A KR100782387B1 KR 100782387 B1 KR100782387 B1 KR 100782387B1 KR 1020040083827 A KR1020040083827 A KR 1020040083827A KR 20040083827 A KR20040083827 A KR 20040083827A KR 100782387 B1 KR100782387 B1 KR 100782387B1
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- exhaust gas
- oxide
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- 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
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- 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
- B01D53/86—Catalytic processes
- B01D53/8665—Removing heavy metals or compounds thereof, e.g. mercury
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- 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- 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
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
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- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9205—Porosity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/402—Dinitrogen oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
- B01D2257/602—Mercury or mercury compounds
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- 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
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- 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
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/146—Perfluorocarbons [PFC]; Hydrofluorocarbons [HFC]; Sulfur hexafluoride [SF6]
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- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
사용촉매 | 단계 | 탈질율(%) | 수은 제거율(%) | |||
20시간 후 | 1000시간 후 | 20시간 후 | 1000시간 후 | |||
실시예1-1 | Ti-V계 촉매(1) | 1단 | 99.4 | 99.3 | 91.0 | 90.3 |
실시예1-2 | Ti-V계 촉매(2) | 1단 | 99.2 | 98.4 | 90.1 | 86.0 |
실시예1-3 | Ti-V계 촉매(3) | 1단 | 98.1 | 96.6 | 86.5 | 81.8 |
실시예1-4 | Ti-V계 촉매(4) | 1단 | 97.6 | 95.0 | 82.1 | 74.7 |
실시예1-5 | Ti-V계 촉매(1) | 2단 | 98.3 | 96.8 | 89.0 | 84.7 |
실시예1-6 | Ti-V계 촉매(1) | 2단 | 98.2 | 95.9 | 88.0 | 81.7 |
비교예1-1 | 촉매(C1) | 1단 | 81.8 | 69.6 | 65.0 | 52.0 |
탈질 촉매[전체 세공 용적(cm3/g)]/촉매 온도(℃) | 수은 할로겐화 촉매/촉매 온도(℃) | 탈질율(%) | 수은 제거율(%) | |||
10시간 | 500시간 | 10시간 | 500시간 | |||
실시예 2-1 | 탈질 촉매(1) [0.45]/400 | 수은 할로겐화 촉매(1)/200 | 90.8 | 90.4 | 90.8 | 90.5 |
실시예 2-2 | 탈질 촉매(2) [0.44]/350 | 수은 할로겐화 촉매(2)/200 | 91.9 | 91.7 | 96.5 | 96.4 |
비교예 2-1 | 탈질 촉매(3) [0.13]/350 | 수은 할로겐화 촉매(3)/150 | 84.7 | 52.9 | 94.1 | 86.6 |
비교예 2-2 | 탈질 촉매(3) [0.13]/350 | 없음 | 83.4 | 51.3 | 21.0 | 19.0 |
비교예 2-3 | 탈질 촉매(1) [0.45]/200 | 수은 할로겐화 촉매(1)/400 | 72.6 | 40.4 | 32.0 | 14.3 |
수은할로겐화 촉매/촉매온도 | 탈질 촉매/촉매 온도 | 탈질율(%) | 수은 제거율(%) | |||
10시간 | 1000시간 | 10시간 | 1000시간 | |||
실시예3-1 | 수은 할로겐화 촉매(1)/190℃ | 탈질 촉매(1)/250℃ | 91.8 | 89.5 | 92.5 | 91.9 |
실시예3-2 | 수은 할로겐화 촉매(2)/190℃ | 탈질 촉매(2)/250℃ | 94.3 | 94.2 | 94.3 | 94.1 |
실시예3-3 | 수은 할로겐화 촉매(3)/150℃ | 탈질 촉매(3)/250℃ | 93.2 | 92.0 | 92.0 | 90.7 |
실시예3-4 | 수은 할로겐화 촉매(3)/150℃ | 탈질 촉매(1)/250℃ | 92.8 | 91.5 | 91.5 | 90.1 |
탈질 촉매/촉매온도 | 수은 할로겐화 촉매/촉매온도 | 탈질율(%) | 수은 제거율(%) | |||
10시간 | 1000시간 | 10시간 | 1000시간 | |||
비교예3-1 | 탈질 촉매(1)/250℃ | 수은 할로겐화 촉매(1)/190℃ | 91.6 | 74.4 | 91.7 | 74.5 |
비교예3-2 | 탈질 촉매(2)/250℃ | 수은 할로겐화 촉매(2)/190℃ | 94.2 | 80.8 | 92.4 | 77.6 |
비교예3-3 | 탈질 촉매(3)/250℃ | 수은 할로겐화 촉매(3)/150℃ | 93.0 | 73.6 | 91.5 | 70.9 |
비교예3-4 | 탈질 촉매(1)/250℃ | 수은 할로겐화 촉매(3)/150℃ | 92.6 | 64.7 | 89.5 | 59.4 |
Claims (8)
- 삭제
- 삭제
- 삭제
- 질소 산화물과 금속 수은을 함유하는 배기 가스를 처리함에 있어서, 탈질 촉매를 사용하여 질소 산화물을 처리한 후, 할로겐 화합물의 존재 하에서 수은 할로겐화 촉매를 사용하여 금속 수은을 할로겐화 수은으로 변환시키도록 하는 동시에, 상기 탈질 촉매로서는 수은압입법에 의해 측정되는 전체 세공 용적이 O.2O∼O.8Ocm3/g인 촉매를 사용하고, 또한, 상기 탈질 촉매의 촉매온도는 300℃ 보다도 높은 온도로 하고, 상기 수은 할로겐화 촉매의 촉매온도는 30O℃이하로 하는 것을 특징으로 하는 배기 가스 처리 방법.
- 제 4항에 있어서, 상기 할로겐화 수은을 흡수액으로 포착함으로써 배기 가스로부터 제거하는 것을 특징으로 하는 배기 가스 처리 방법.
- 질소 산화물과 금속 수은을 함유하는 배기 가스를 처리함에 있어서, 할로겐 화합물의 존재 하에서, 수은 할로겐화 촉매를 사용하여 금속 수은을 할로겐화 수은으로 변환시키고, 상기 할로겐화 수은을 흡수액으로 포착함으로써 배기 가스로부터 제거한 후, 탈질 촉매를 사용하여 질소 산화물을 처리하도록 하는 것을 특징으로 하는 배기 가스 처리 방법.
- 제 4항에 있어서, 상기 탈질촉매는 바나듐 및/또는 티탄을 함유하고, 규소, 지르코늄, 알루미늄, 텅스텐 및 몰리브덴으로 이루어지는 군에서 선택되는 1종 이상의 천이금속을 더 함유하는 것을 특징으로 하는 배기 가스 처리 방법.
- 제 4항에 있어서, 상기 수은 할로겐화 촉매는 TiO2, SiO2, ZrO2, Al2O3, WO3, MoO3, 티탄계 복합 산화물 및 제올라이트로 이루어지는 군에서 선택되는 1종 이상에, Pt, Ru, Rh, Pd, Ir, V, W, Mo, Ni, Co, Fe, Cr, Cu 및 Mn으로 이루어지는 군에서 선택되는 1종 이상으로 이루어지는 활성종을 첨가한 것을 특징으로 하는 배기 가스 처리 방법.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003362597A JP4098697B2 (ja) | 2003-10-22 | 2003-10-22 | 排ガス処理方法 |
JPJP-P-2003-00362597 | 2003-10-22 | ||
JPJP-P-2003-00362598 | 2003-10-22 | ||
JPJP-P-2003-00362596 | 2003-10-22 | ||
JP2003362598A JP4098698B2 (ja) | 2003-10-22 | 2003-10-22 | 排ガス処理方法 |
JP2003362596A JP4113090B2 (ja) | 2003-10-22 | 2003-10-22 | 排ガス処理方法 |
Publications (2)
Publication Number | Publication Date |
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KR20050039582A KR20050039582A (ko) | 2005-04-29 |
KR100782387B1 true KR100782387B1 (ko) | 2007-12-07 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020040083827A KR100782387B1 (ko) | 2003-10-22 | 2004-10-20 | 배기 가스 처리 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7264784B2 (ko) |
EP (1) | EP1525913A3 (ko) |
KR (1) | KR100782387B1 (ko) |
CN (1) | CN100375646C (ko) |
TW (1) | TWI306410B (ko) |
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2004
- 2004-10-12 TW TW093130901A patent/TWI306410B/zh active
- 2004-10-12 US US10/963,969 patent/US7264784B2/en active Active
- 2004-10-20 KR KR1020040083827A patent/KR100782387B1/ko active IP Right Grant
- 2004-10-20 EP EP04024961A patent/EP1525913A3/en not_active Withdrawn
- 2004-10-22 CN CNB2004100870152A patent/CN100375646C/zh active Active
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EP0860197A1 (en) | 1997-02-19 | 1998-08-26 | Mitsubishi Heavy Industries, Ltd. | Process for treating exhaust gas and exhaust gas treating equipment |
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US20030170159A1 (en) * | 2001-08-09 | 2003-09-11 | Shintaro Honjo | Method and apparatus for removing mercury from waste gas |
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Publication number | Publication date |
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TW200528181A (en) | 2005-09-01 |
KR20050039582A (ko) | 2005-04-29 |
EP1525913A3 (en) | 2005-06-22 |
TWI306410B (en) | 2009-02-21 |
US7264784B2 (en) | 2007-09-04 |
CN1623633A (zh) | 2005-06-08 |
CN100375646C (zh) | 2008-03-19 |
EP1525913A2 (en) | 2005-04-27 |
US20050112044A1 (en) | 2005-05-26 |
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