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1. (WO2019059032) EXHAUST GAS PURIFICATION FILTER
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2019/059032 International Application No.: PCT/JP2018/033529
Publication Date: 28.03.2019 International Filing Date: 11.09.2018
IPC:
B01J 35/04 (2006.01) ,B01D 53/86 (2006.01) ,B01D 53/90 (2006.01) ,B01D 53/94 (2006.01) ,B01J 23/22 (2006.01) ,F01N 3/022 (2006.01) ,F01N 3/035 (2006.01) ,F01N 3/08 (2006.01) ,B01D 46/42 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35
Catalysts, in general, characterised by their form or physical properties
02
Solids
04
Foraminous structures, sieves, grids, honeycombs
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
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 or aerosols
34
Chemical or biological purification of waste gases
74
General processes for purification of waste gases; Apparatus or devices specially adapted therefor
86
Catalytic processes
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
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 or aerosols
34
Chemical or biological purification of waste gases
74
General processes for purification of waste gases; Apparatus or devices specially adapted therefor
86
Catalytic processes
90
Injecting reactants
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
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 or aerosols
34
Chemical or biological purification of waste gases
92
of engine exhaust gases
94
by catalytic processes
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
23
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
16
of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
20
Vanadium, niobium or tantalum
22
Vanadium
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
02
for cooling, or for removing solid constituents of, exhaust
021
by means of filters
022
characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
02
for cooling, or for removing solid constituents of, exhaust
021
by means of filters
033
in combination with other devices
035
with catalytic reactors
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08
for rendering innocuous
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
46
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
42
Auxiliary equipment or operation thereof
Applicants:
蘇州松之源環保科技有限会社 SUZHOU SONGZHIYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. [CN/CN]; 江蘇省蘇州巿高新区鴻禧路32号F-15 F-15, 32 Hongxi Road, Suzhou New District, Jiangsu, CN
Inventors:
足立 知弘 ADACHI Tomohiro; --
白田 一樹 SHIROTA Kazuki; --
Agent:
山尾 憲人 YAMAO, Norihito; JP
前田 浩夫 MAEDA Hiroo; JP
Priority Data:
2017-18091921.09.2017JP
2017-18092021.09.2017JP
Title (EN) EXHAUST GAS PURIFICATION FILTER
(FR) FILTRE DE PURIFICATION DE GAZ D'ÉCHAPPEMENT
(JA) 排ガス浄化フィルタ
Abstract:
(EN) An exhaust gas purification filter comprises a porous filter base material having a plurality of cells demarcated by cell walls, a PM combustion catalyst layer including a PM combustion catalyst that combusts and purifies PM, and a NOx reduction catalyst layer including a NOx reduction/removal catalyst that reduces and purifies NOx. The PM combustion catalyst layer comprises part or all of the surface of the cell walls on the side at which exhaust gas flows in. The NOx reduction catalyst layer comprises part or all of the surface of the cell walls on the side at which the exhaust gas flows out. The PM combustion catalyst is configured as a molten salt catalyst which includes a composite oxide of cesium and vanadium and in which the molar ratio (Cs/V) of cesium to vanadium is 0.5 ≤ Cs/V ≤ 1.5, whereby there is obtained an exhaust gas purification filter has both high PM combustion performance and high NOx reduction performance.
(FR) Un filtre de purification de gaz d'échappement comprend un matériau de base de filtre poreux possédant une pluralité de cellules délimitées par des parois cellulaires, une couche de catalyseur de combustion de matières particulaires comprenant un catalyseur de combustion de matières particulaires qui brûle et purifie les matières particulaires, et une couche de catalyseur de réduction de NOx comprenant un catalyseur de réduction/élimination de NOx qui réduit et purifie les NOx. La couche de catalyseur de combustion de matières particulaires comprend une partie ou la totalité de la surface des parois cellulaires sur le côté d'entrée des gaz d'échappement. La couche de catalyseur de réduction de NOx comprend une partie ou la totalité de la surface des parois de cellule sur le côté de sortie des gaz d'échappement. Le catalyseur de combustion de matières particulaires est constitué d'un catalyseur de sel fondu qui comprend un oxyde composite de césium et de vanadium et dans lequel le rapport molaire (Cs/V) de césium au vanadium est de 0,5 ≤ Cs/V ≤ 1,5, ce par quoi on obtient un filtre de purification de gaz d'échappement possédant à la fois une performance de combustion de matières particulaires élevée et une performance de réduction de NOx élevée.
(JA) 排ガス浄化フィルタは、セル壁で区画された複数のセル有する多孔質のフィルタ基材と、PMを燃焼して浄化するPM燃焼触媒を含むPM燃焼触媒層と、NOxを還元して浄化するNOx還元除去触媒を含むNOx還元触媒層とを備えている。また、PM燃焼触媒層は、排ガスが流入する側のセル壁の表面の一部または全部に備えている。また、NOx還元触媒層は、排ガスが流出する側のセル壁の表面の一部または全部に備えている。そして、PM燃焼触媒を、バナジウムに対するセシウムのモル比(Cs/V)が0.5≦Cs/V≦1.5である、セシウムとバナジウムの複合酸化物を含む溶融塩型触媒とした構成により、高いPM燃焼性能と、NOx還元性能とを併せ持つ排ガス浄化フィルタを得られる。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)