JP5116320B2 - 硫黄含有排ガスの浄化方法 - Google Patents
硫黄含有排ガスの浄化方法 Download PDFInfo
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- JP5116320B2 JP5116320B2 JP2007058373A JP2007058373A JP5116320B2 JP 5116320 B2 JP5116320 B2 JP 5116320B2 JP 2007058373 A JP2007058373 A JP 2007058373A JP 2007058373 A JP2007058373 A JP 2007058373A JP 5116320 B2 JP5116320 B2 JP 5116320B2
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- exhaust gas
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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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- 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
-
- 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
- B01D2255/20776—Tungsten
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Description
この部分的に浄化したこの排ガス流を冷却し;
その部分的に浄化した排ガス流の一酸化炭素を第二の反応器において一酸化炭素の酸化に対して活性の第二触媒の存在下に、二酸化硫黄を酸化することなく、酸化しそして浄化排ガス流を引き出す
各段階を含む。
75〜95 重量%のTiO2、3〜15重量%のSiO2、3〜15重量%のWO3、0〜6重量%のV2O5 および0.3〜0.8 g/lのPd:好ましくは80〜90重量%のTiO2、5〜10重量%のSiO2、5〜10重量%のWO3、0〜4重量%のV2O5 および0.4〜0.6 g/l のPd。
排ガスを図2に記載の本発明のシステムで浄化する。図2において、流れ(3)は浄化すべき排ガスでありそして流れ(7)は第一の反応器中の触媒(6)を離れる部分的に浄化された排ガスである。流れ(11)は第二触媒(13)を備えた第二の反応器に入る部分的に浄化されかつ冷却された排ガスである。流れ(14)は浄化された排ガスである。
2・・・空気流
3・・・供給ガス流
4・・・供給/流出型熱交換器
5・・・第一の反応器
6・・・触媒
7・・・部分的に浄化された排ガス流
10・・・空冷器
11・・・冷却された部分浄化排ガス流
12・・・第二の反応器
13・・・触媒
14・・・浄化された排ガス流
Claims (10)
- 炭化水素、煤、一酸化炭素、窒素酸化物および二酸化硫黄を含有する、燃焼機関からの排ガス流を浄化する方法において、
(a)排ガス流を空気流と一緒にしそして一緒にされたその流れの炭化水素および煤の一部を第一の反応器において炭化水素および煤の酸化に対して活性の第一触媒の存在下に250〜375℃で、二酸化硫黄を酸化することなく酸化しそして部分的に浄化された排ガス流を生じさせ、
(b)この部分的に浄化したこの排ガス流を冷却し、
(c)その部分的に浄化した排ガス流の一酸化炭素を第二の反応器において一酸化炭素の酸化に対して活性の第二触媒の存在下に140〜210℃で、二酸化硫黄を酸化することなく酸化しそして
(d)浄化排ガス流を引き出す
各段階を含む、上記方法。 - 炭化水素の一部を第一の反応器で酸化しそして残りの炭化水素を第二の反応器で更に酸化する、請求項1に記載の方法。
- (b)段階での冷却を供給/流出型熱交換器において行い、該熱交換器は第一の反応器からの部分的に浄化された排ガス流を冷却しそして第一の反応器への排ガス流を加熱する、請求項1に記載の方法。
- 追加的な冷却を第二の反応器の上流の空気冷却器で行う、請求項1に記載の方法。
- 第一の反応器の触媒がチタニア/シリカと触媒活性材料としてのパラジウム、およびタングステンとバナジウムの酸化物のモノリスであり、そして第二の反応器中の触媒がチタニアと触媒活性材料としての白金および/またはパラジウムとのモノリスである、請求項1に記載の方法。
- 反応器中の空間速度が10,000〜150,000Nm3/m3/時である、請求項1に記載の方法。
- 少なくとも1つの反応器中の触媒が顆粒状触媒でありそして空間速度が1,000〜20,000Nm3/m3/時である、請求項1に記載の方法。
- 炭化水素、煤、一酸化炭素および二酸化硫黄を含む、燃焼機関からの排ガス流を浄化するシステムにおいて、
(a)排ガス流を加熱する供給/流出型熱交換器、
(b)加熱された排ガス流中の炭化水素および煤を、二酸化硫黄を酸化することなしに転化して部分的に浄化された排ガス流を生じるのに活性の第一触媒を含有する第一の反応器、ただし第一の反応器は250〜375℃で運転され、そして部分的に浄化された排ガス流は供給/流出型熱交換器で排ガス流と空気流とよりなる一緒にされた流れで冷却され;そして
(c)一酸化炭素を二酸化炭素に転化する活性を有しかつ二酸化硫黄を酸化しないで、浄化された排ガス流を生じる第二触媒を含有する第二の反応器
を含み、ただし第二の反応器は140〜210℃で運転される、上記システム。 - 第二触媒が更に、部分的に浄化された排ガス流中の残留炭化水素を酸化する活性がある、請求項8に記載のシステム。
- 空気冷却器が第二の反応器の上流に取り付けられている、請求項8に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200600338 | 2006-03-09 | ||
DKPA200600338 | 2006-03-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007237171A JP2007237171A (ja) | 2007-09-20 |
JP2007237171A5 JP2007237171A5 (ja) | 2010-02-12 |
JP5116320B2 true JP5116320B2 (ja) | 2013-01-09 |
Family
ID=38093320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007058373A Expired - Fee Related JP5116320B2 (ja) | 2006-03-09 | 2007-03-08 | 硫黄含有排ガスの浄化方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7569197B2 (ja) |
EP (1) | EP1832332B1 (ja) |
JP (1) | JP5116320B2 (ja) |
KR (1) | KR101380182B1 (ja) |
CN (1) | CN101073746B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007278099A (ja) * | 2006-04-03 | 2007-10-25 | Toyota Motor Corp | 排ガスの浄化方法及び車両のコージェネレーション方法 |
JP5194646B2 (ja) * | 2007-08-30 | 2013-05-08 | 三浦工業株式会社 | 浄化装置及びボイラ |
DE102011107335A1 (de) * | 2011-07-14 | 2013-01-17 | Süd-Chemie AG | Oxidationskatalysator mit erhöhter Wasserdampf- und Staubbeständigkeit |
CN103566920B (zh) | 2012-08-01 | 2016-05-25 | 通用电气公司 | 物质和使用其的排气装置及方法 |
WO2014063738A1 (en) * | 2012-10-25 | 2014-05-01 | Haldor Topsøe A/S | Method for the selective oxidation of carbon monoxide and volatile organic compounds in off-gas further comprising sulphur dioxide |
JP6221613B2 (ja) * | 2013-10-16 | 2017-11-01 | 宇部興産株式会社 | ガスの処理装置及びガスの処理方法 |
CN104863669B (zh) * | 2015-06-04 | 2016-04-20 | 盐城工学院 | 汽车尾气过滤处理装置 |
DK180289B1 (en) * | 2016-10-03 | 2020-10-07 | Haldor Topsoe As | Monolithic honeycomb oxidation catalyst and process for its preparation |
WO2017072138A1 (en) * | 2015-10-28 | 2017-05-04 | Haldor Topsøe A/S | Monolithic honeycomb oxidation catalyst and method of preparation thereof |
SE539523C2 (en) * | 2016-01-27 | 2017-10-10 | Scania Cv Ab | Exhaust gas treatment system |
KR102007284B1 (ko) * | 2016-05-31 | 2019-08-05 | 최강일 | 수열탄화반응을 이용한 하이브리드 바이오 석탄 제조 방법 |
EP3631176B1 (en) * | 2017-06-02 | 2022-08-10 | Volvo Truck Corporation | A method for controlling the temperature of a nox controlling component and an exhaust after treatment system |
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-
2007
- 2007-02-21 EP EP07003543.1A patent/EP1832332B1/en active Active
- 2007-02-27 KR KR1020070019682A patent/KR101380182B1/ko active IP Right Grant
- 2007-03-01 US US11/712,371 patent/US7569197B2/en active Active
- 2007-03-08 JP JP2007058373A patent/JP5116320B2/ja not_active Expired - Fee Related
- 2007-03-09 CN CN2007101006039A patent/CN101073746B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101073746B (zh) | 2012-08-29 |
EP1832332A1 (en) | 2007-09-12 |
JP2007237171A (ja) | 2007-09-20 |
KR20070092610A (ko) | 2007-09-13 |
EP1832332B1 (en) | 2016-05-04 |
US7569197B2 (en) | 2009-08-04 |
KR101380182B1 (ko) | 2014-04-01 |
CN101073746A (zh) | 2007-11-21 |
US20070209350A1 (en) | 2007-09-13 |
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