CN102186581A - 废气净化用催化剂以及使用该催化剂的净化方法 - Google Patents
废气净化用催化剂以及使用该催化剂的净化方法 Download PDFInfo
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- CN102186581A CN102186581A CN2009801412063A CN200980141206A CN102186581A CN 102186581 A CN102186581 A CN 102186581A CN 2009801412063 A CN2009801412063 A CN 2009801412063A CN 200980141206 A CN200980141206 A CN 200980141206A CN 102186581 A CN102186581 A CN 102186581A
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- Prior art keywords
- exhaust gas
- slurry
- catalyst
- oxide
- active component
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- Granted
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- 238000000034 method Methods 0.000 title claims description 60
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 63
- 239000002002 slurry Substances 0.000 claims description 100
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 61
- 229910000510 noble metal Inorganic materials 0.000 claims description 57
- 239000012736 aqueous medium Substances 0.000 claims description 38
- 238000010298 pulverizing process Methods 0.000 claims description 35
- 150000003839 salts Chemical class 0.000 claims description 34
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 20
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 20
- 238000010304 firing Methods 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
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- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 60
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 58
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- 230000000694 effects Effects 0.000 description 13
- 229910052697 platinum Inorganic materials 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
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- 229910002091 carbon monoxide Inorganic materials 0.000 description 8
- 229910052703 rhodium Inorganic materials 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
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- 229910002651 NO3 Inorganic materials 0.000 description 6
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- 238000002485 combustion reaction Methods 0.000 description 4
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- 239000002253 acid Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
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- 239000000446 fuel Substances 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical class C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
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- 238000009792 diffusion process Methods 0.000 description 2
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- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 238000007561 laser diffraction method Methods 0.000 description 2
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- 229910052753 mercury Inorganic materials 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
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- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- KSSJBGNOJJETTC-UHFFFAOYSA-N COC1=C(C=CC=C1)N(C1=CC=2C3(C4=CC(=CC=C4C=2C=C1)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC(=CC=C1C=1C=CC(=CC=13)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC=C(C=C1)OC Chemical class COC1=C(C=CC=C1)N(C1=CC=2C3(C4=CC(=CC=C4C=2C=C1)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC(=CC=C1C=1C=CC(=CC=13)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC=C(C=C1)OC KSSJBGNOJJETTC-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
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- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
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- 238000003916 acid precipitation Methods 0.000 description 1
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- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
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- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
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Images
Classifications
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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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
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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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2008268762 | 2008-10-17 | ||
JP2008-268762 | 2008-10-17 | ||
PCT/JP2009/067891 WO2010044454A1 (ja) | 2008-10-17 | 2009-10-16 | 排ガス浄化用触媒および当該触媒を用いた排ガス浄化方法 |
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CN102186581A true CN102186581A (zh) | 2011-09-14 |
CN102186581B CN102186581B (zh) | 2013-11-20 |
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CN2009801412063A Expired - Fee Related CN102186581B (zh) | 2008-10-17 | 2009-10-16 | 废气净化用催化剂以及使用该催化剂的净化方法 |
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US (1) | US20110200504A1 (zh) |
EP (1) | EP2343122A4 (zh) |
JP (2) | JP5679298B2 (zh) |
KR (1) | KR101643755B1 (zh) |
CN (1) | CN102186581B (zh) |
CA (1) | CA2740472C (zh) |
WO (1) | WO2010044454A1 (zh) |
Cited By (1)
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CN105473229A (zh) * | 2013-09-11 | 2016-04-06 | 三井金属矿业株式会社 | 废气净化催化剂 |
Families Citing this family (2)
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WO2010044454A1 (ja) * | 2008-10-17 | 2010-04-22 | 株式会社アイシーティー | 排ガス浄化用触媒および当該触媒を用いた排ガス浄化方法 |
DE102018100834A1 (de) | 2018-01-16 | 2019-07-18 | Umicore Ag & Co. Kg | Verfahren zur Herstellung eines SCR-Katalysators |
Citations (2)
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JP2007217265A (ja) * | 2006-01-23 | 2007-08-30 | Toyota Central Res & Dev Lab Inc | 酸化物微結晶粒子からなる粉体、それを用いた触媒、及びその製造方法 |
JP2007275878A (ja) * | 2006-03-16 | 2007-10-25 | Ict:Kk | 排ガス浄化用触媒、その製造方法、およびかかる触媒を用いた排ガスの浄化方法 |
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US5244852A (en) * | 1988-11-18 | 1993-09-14 | Corning Incorporated | Molecular sieve-palladium-platinum catalyst on a substrate |
JP2980504B2 (ja) * | 1993-12-21 | 1999-11-22 | 信越化学工業株式会社 | 新規な形態を有する炭酸セリウムおよび炭酸セリウム並びに酸化セリウムの製造方法 |
US6627738B2 (en) * | 1995-09-15 | 2003-09-30 | Duke University | No-modified hemoglobins and uses therefor |
FR2878067B1 (fr) * | 2004-11-17 | 2007-01-26 | St Microelectronics Sa | Dispositif de lecture faible tension notamment pour memoire mram |
US7943106B2 (en) * | 2005-03-18 | 2011-05-17 | Antaria Limited | Rare earth nanorods |
EP1704910B1 (en) * | 2005-03-24 | 2018-09-19 | Tokyo Roki Co., Ltd. | Exhaust gas purification catalyst |
JP4988420B2 (ja) | 2007-04-24 | 2012-08-01 | パナソニック株式会社 | 照明装置 |
WO2010044454A1 (ja) * | 2008-10-17 | 2010-04-22 | 株式会社アイシーティー | 排ガス浄化用触媒および当該触媒を用いた排ガス浄化方法 |
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2009
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- 2009-10-16 CN CN2009801412063A patent/CN102186581B/zh not_active Expired - Fee Related
- 2009-10-16 US US13/124,005 patent/US20110200504A1/en not_active Abandoned
- 2009-10-16 EP EP09820632A patent/EP2343122A4/en not_active Withdrawn
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Patent Citations (2)
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JP2007217265A (ja) * | 2006-01-23 | 2007-08-30 | Toyota Central Res & Dev Lab Inc | 酸化物微結晶粒子からなる粉体、それを用いた触媒、及びその製造方法 |
JP2007275878A (ja) * | 2006-03-16 | 2007-10-25 | Ict:Kk | 排ガス浄化用触媒、その製造方法、およびかかる触媒を用いた排ガスの浄化方法 |
Non-Patent Citations (2)
Title |
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G. S. DROBAKHA ET AL.: "Nanostructured Pt-γ-Al2O3-CeO2 Catalytic Materials and Coatings", 《INORGANIC MATERIALS》 * |
SANTI MAENSIRI ET AL.: "Egg White Synthesis and Photoluminescence of Platelike Clusters of CeO2 Nanoparticles", 《CRYSTAL GROWTH & DESIGN》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105473229A (zh) * | 2013-09-11 | 2016-04-06 | 三井金属矿业株式会社 | 废气净化催化剂 |
CN105473229B (zh) * | 2013-09-11 | 2017-05-17 | 三井金属矿业株式会社 | 废气净化催化剂 |
Also Published As
Publication number | Publication date |
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EP2343122A1 (en) | 2011-07-13 |
JPWO2010044454A1 (ja) | 2012-03-15 |
CA2740472C (en) | 2019-04-23 |
KR101643755B1 (ko) | 2016-07-29 |
KR20110074862A (ko) | 2011-07-04 |
CA2740472A1 (en) | 2010-04-22 |
CN102186581B (zh) | 2013-11-20 |
WO2010044454A1 (ja) | 2010-04-22 |
JP2015044194A (ja) | 2015-03-12 |
EP2343122A4 (en) | 2012-04-11 |
JP5679298B2 (ja) | 2015-03-04 |
US20110200504A1 (en) | 2011-08-18 |
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