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1. (WO2019065805) HONEYCOMB CATALYST
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Pub. No.: WO/2019/065805 International Application No.: PCT/JP2018/035853
Publication Date: 04.04.2019 International Filing Date: 27.09.2018
IPC:
B01J 35/04 (2006.01) ,B01D 53/94 (2006.01) ,B01J 23/63 (2006.01) ,F01N 3/10 (2006.01) ,F01N 3/28 (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
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
38
of noble metals
54
combined with metals, oxides or hydroxides provided for in groups B01J23/02-B01J23/36118
56
Platinum group metals
63
with rare earths or actinides
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
10
by thermal or catalytic conversion of noxious components of exhaust
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
10
by thermal or catalytic conversion of noxious components of exhaust
24
characterised by constructional aspects of converting apparatus
28
Construction of catalytic reactors
Applicants:
イビデン株式会社 IBIDEN CO., LTD. [JP/JP]; 岐阜県大垣市神田町2丁目1番地 1, Kandacho 2-chome, Ogaki-shi, Gifu 5038604, JP
トヨタ自動車株式会社 TOYOTA JIDOSHA KABUSHIKI KAISHA [JP/JP]; 愛知県豊田市トヨタ町1番地 1, Toyota-cho, Toyota-shi, Aichi 4718571, JP
Inventors:
後藤 真之助 GOTO, Shinnosuke; JP
東條 巧 TOJO, Takumi; JP
吉田 健 YOSHIDA, Takeru; JP
鈴木 宏昌 SUZUKI, Hiromasa; JP
Agent:
特許業務法人 安富国際特許事務所 YASUTOMI & ASSOCIATES; 大阪府大阪市淀川区宮原3丁目5番36号 5-36, Miyahara 3-chome, Yodogawa-ku, Osaka-shi, Osaka 5320003, JP
Priority Data:
2017-18647627.09.2017JP
Title (EN) HONEYCOMB CATALYST
(FR) CATALYSEUR EN NID D'ABEILLES
(JA) ハニカム触媒
Abstract:
(EN) The present invention relates to a honeycomb catalyst which is obtained by supporting a noble metal on a honeycomb structure in which a plurality of through holes are arranged side by side in the longitudinal direction with partition walls interposed therebetween, said honeycomb catalyst being provided with an inlet-side end surface and an outlet-side end surface. The honeycomb catalyst is characterized in that: the partition walls comprise a base material part formed from an extrusion-moulded body including a ceria-zirconia composite oxide and alumina, and a coat layer which is formed on the surfaces of the base material part, and which includes the noble metal; and the aperture ratio of the inlet-side end surface is greater than that of the outlet-side end surface.
(FR) La présente invention concerne un catalyseur en nid d'abeilles qui est obtenu en supportant un métal noble sur une structure en nid d'abeilles dans laquelle une pluralité de trous traversants sont agencés côte à côte dans la direction longitudinale avec des parois de séparation interposées entre eux, ledit catalyseur en nid d'abeilles étant pourvu d'une surface d'extrémité côté entrée et d'une surface d'extrémité côté sortie. Le catalyseur en nid d'abeilles est caractérisé en ce que : les parois de séparation comprennent une partie de matériau de base formée à partir d'un corps moulé par extrusion comprenant un oxyde composite d'oxyde de cérium-zircone et de l'alumine, et une couche de revêtement qui est formée sur les surfaces de la partie de matériau de base, et qui comprend le métal noble; et le rapport d'ouverture de la surface d'extrémité côté entrée est supérieur à celui de la surface d'extrémité côté sortie.
(JA) 本発明は、複数の貫通孔が隔壁を隔てて長手方向に並設されたハニカム構造体に貴金属が担持されてなり、入口側端面と出口側端面とを有するハニカム触媒であって、上記隔壁は、セリア-ジルコニア複合酸化物とアルミナとを含む押出成形体で構成される基材部と、上記基材部の表面に形成され、上記貴金属を含むコート層とからなり、上記入口側端面における開口率が、上記出口側端面における開口率よりも大きいことを特徴とするハニカム触媒に関する。
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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, 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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)