WO2009031234A1 - 排ガス浄化用触媒 - Google Patents

排ガス浄化用触媒 Download PDF

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Publication number
WO2009031234A1
WO2009031234A1 PCT/JP2007/067496 JP2007067496W WO2009031234A1 WO 2009031234 A1 WO2009031234 A1 WO 2009031234A1 JP 2007067496 W JP2007067496 W JP 2007067496W WO 2009031234 A1 WO2009031234 A1 WO 2009031234A1
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Prior art keywords
exhaust gas
oxidation
gas purification
purification catalyst
ratio
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PCT/JP2007/067496
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English (en)
French (fr)
Inventor
Yasuyoshi Kato
Keiichiro Kai
Naomi Imada
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Babcock-Hitachi Kabushiki Kaisha
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Priority to US12/095,964 priority Critical patent/US8470728B2/en
Priority to CA2672541A priority patent/CA2672541C/en
Priority to KR1020097013044A priority patent/KR101088995B1/ko
Priority to DK07828205.0T priority patent/DK2100664T3/da
Priority to PCT/JP2007/067496 priority patent/WO2009031234A1/ja
Priority to CN2007800500049A priority patent/CN101605602B/zh
Priority to EP07828205.0A priority patent/EP2100664B1/en
Priority to JP2009531072A priority patent/JP5126718B2/ja
Priority to TW097125891A priority patent/TWI418395B/zh
Publication of WO2009031234A1 publication Critical patent/WO2009031234A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
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    • 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
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    • 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
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
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    • B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/688—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with manganese, technetium or rhenium
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J37/02—Impregnation, coating or precipitation
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    • B01J37/0213—Preparation of the impregnating solution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0225—Coating of metal substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
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    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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    • B01J37/02—Impregnation, coating or precipitation
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Abstract

　従来触媒の限界であるHg酸化とSO2酸化の二律背反的な関係を崩し、Hg酸化率を高く維持しながら、SO2酸化率のみを低減した排ガス浄化触媒を提供する。 　(i)チタン(Ti)、(ii)モリブデン(Mo)及び/またはタングステン(W)、(iii)バナジウム(V)、及び(iv)リン(P)の各酸化物からなる組成物であって、Ti：(Mo及び/またはW)：Vの原子比が85～97.5：2～10：0.5～10であり、かつP/(Mo及び/又はWとVとの総和)原子比が0.5～1.5である排ガス浄化用触媒、および窒素酸化物(NOx)および金属水銀(Hg)を含む排ガスを還元剤としてアンモニア存在下に上記触媒と接触させ、排ガス中のNOxの還元及び/金属水銀(Hg)の酸化を行わせることを特徴とする排ガスの浄化方法。
PCT/JP2007/067496 2007-09-07 2007-09-07 排ガス浄化用触媒 WO2009031234A1 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US12/095,964 US8470728B2 (en) 2007-09-07 2007-09-07 Exhaust gas purifying catalyst
CA2672541A CA2672541C (en) 2007-09-07 2007-09-07 Exhaust gas purifying catalyst
KR1020097013044A KR101088995B1 (ko) 2007-09-07 2007-09-07 배기 가스 정화용 촉매
DK07828205.0T DK2100664T3 (da) 2007-09-07 2007-09-07 Katalysator til rensning af udstødningsgas
PCT/JP2007/067496 WO2009031234A1 (ja) 2007-09-07 2007-09-07 排ガス浄化用触媒
CN2007800500049A CN101605602B (zh) 2007-09-07 2007-09-07 废气净化催化剂
EP07828205.0A EP2100664B1 (en) 2007-09-07 2007-09-07 Exhaust gas purification catalyst
JP2009531072A JP5126718B2 (ja) 2007-09-07 2007-09-07 排ガス浄化用触媒
TW097125891A TWI418395B (zh) 2007-09-07 2008-07-09 Clean catalyst for exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/067496 WO2009031234A1 (ja) 2007-09-07 2007-09-07 排ガス浄化用触媒

Publications (1)

Publication Number Publication Date
WO2009031234A1 true WO2009031234A1 (ja) 2009-03-12

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PCT/JP2007/067496 WO2009031234A1 (ja) 2007-09-07 2007-09-07 排ガス浄化用触媒

Country Status (9)

Country Link
US (1) US8470728B2 (ja)
EP (1) EP2100664B1 (ja)
JP (1) JP5126718B2 (ja)
KR (1) KR101088995B1 (ja)
CN (1) CN101605602B (ja)
CA (1) CA2672541C (ja)
DK (1) DK2100664T3 (ja)
TW (1) TWI418395B (ja)
WO (1) WO2009031234A1 (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009119639A1 (ja) * 2008-03-25 2009-10-01 バブコック日立株式会社 鉄化合物の影響を抑制した排ガス浄化触媒
WO2011074230A1 (ja) 2009-12-14 2011-06-23 バブコック日立株式会社 燃焼排ガスの水銀除去方法及び燃焼排ガス浄化装置
WO2011099492A1 (ja) * 2010-02-09 2011-08-18 バブコック日立株式会社 バイオマス燃焼排ガス用脱硝触媒及び脱硝方法
WO2012033039A1 (ja) * 2010-09-07 2012-03-15 バブコック日立株式会社 排ガス脱硝触媒およびその製造方法
AU2011241040B2 (en) * 2010-04-13 2015-09-17 Tronox Llc Vanadia-based DeNOx catalysts and catalyst supports
JP2017518875A (ja) * 2014-06-02 2017-07-13 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 高いＮＯｘ‐ＳＣＲ変換率及び低いＳＯｘ変換率
JP2017154090A (ja) * 2016-03-02 2017-09-07 三菱日立パワーシステムズ株式会社 金属水銀の酸化反応および窒素酸化物の還元反応用触媒、ならびに排ガスの浄化方法
JP2020515384A (ja) * 2017-03-31 2020-05-28 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 排ガスを処理するための触媒、排気システム及び方法
CN113522272A (zh) * 2021-08-18 2021-10-22 大唐南京环保科技有限责任公司 一种脱硝催化剂及其制备方法

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JP5386096B2 (ja) 2008-02-27 2014-01-15 三菱重工業株式会社 排ガス処理触媒
CN102658124B (zh) * 2012-05-02 2014-10-01 国电科学技术研究院 一种高强度、高效率的低温scr催化剂及其制备方法
MX2015002165A (es) 2012-08-24 2015-05-11 Cristal Usa Inc Materiales de soporte cataliticos, catalizadores, metodos para hacerlos y usos de los mismos.
CN103977790B (zh) * 2014-06-06 2016-04-06 中自环保科技股份有限公司 一种柴油车尾气净化钒基scr催化剂的制备方法
GB201716063D0 (en) * 2017-03-30 2017-11-15 Johnson Matthey Plc A catalyst for treating an exhaust gas, an exhaust system and a method
CN109603871A (zh) * 2018-11-26 2019-04-12 清华大学盐城环境工程技术研发中心 一种以磷钨钒杂多酸为前驱体的脱硝催化剂及其制备方法

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US10898881B2 (en) 2016-03-02 2021-01-26 Mitsubishi Power, Ltd. Catalyst for metal mercury oxidation reactions and nitrogen oxide reduction reactions, and exhaust gas purification method
JP2020515384A (ja) * 2017-03-31 2020-05-28 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 排ガスを処理するための触媒、排気システム及び方法
CN113522272A (zh) * 2021-08-18 2021-10-22 大唐南京环保科技有限责任公司 一种脱硝催化剂及其制备方法
CN113522272B (zh) * 2021-08-18 2023-06-20 大唐南京环保科技有限责任公司 一种脱硝催化剂及其制备方法

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CN101605602A (zh) 2009-12-16
JPWO2009031234A1 (ja) 2010-12-09
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US8470728B2 (en) 2013-06-25

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