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1. (WO2017037006) INTEGRATED SCR AND AMMONIA OXIDATION CATALYST SYSTEMS
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Pub. No.: WO/2017/037006 International Application No.: PCT/EP2016/070292
Publication Date: 09.03.2017 International Filing Date: 29.08.2016
IPC:
B01J 29/76 (2006.01) ,B01J 35/00 (2006.01) ,B01J 37/02 (2006.01) ,B01D 53/94 (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
29
Catalysts comprising molecular sieves
04
having base-exchange properties, e.g. crystalline zeolites, pillared clays
06
Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
70
of types characterised by their specific structure not provided for in groups B01J29/08-B01J29/65130
72
containing iron group metals, noble metals or copper
76
Iron group metals or copper
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
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
37
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
02
Impregnation, coating or precipitation
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
Applicants:
BASF SE [DE/DE]; Carl-Bosch-Str. 38 67056 Ludwigshafen am Rhein, DE
Inventors:
HILGENDORFF, Marcus; DE
DUMBUYA, Karifala; DE
ZABEL, Claudia; DE
STIEBELS, Susanne; DE
Agent:
ALTMANN, Andreas; Herzog Fiesser & Partner Patentanwälte Partg MbB Isartorplatz 1 80331 Muenchen, DE
Priority Data:
15183947.904.09.2015EP
Title (EN) INTEGRATED SCR AND AMMONIA OXIDATION CATALYST SYSTEMS
(FR) SYSTÈMES DE CATALYSEUR À OXYDATION D'AMMONIAC ET SCR INTÉGRÉS
Abstract:
(EN) Described is a catalyst comprising a washcoat including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms physically mixed with platinum and rhodium on a refractory metal oxide support including alumina, silica, zirconia, titania, and physical mixtures or chemical combinations thereof, including atomically doped combinations. Also described is a catalyst comprising a first washcoat zone including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms, the first washcoat zone being substantially free of platinum group metal; and a second washcoat zone including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms physically mixed with platinum or platinum and rhodium on a refractory metal oxide support including alumina, silica, zirconia, titania, and physical mixtures or chemical combinations thereof, including atomically doped combinations. Methods and systems for treating emissions are also described.
(FR) L'invention concerne un catalyseur comprenant une couche d'imprégnation comprenant du cuivre ou du fer sur un matériau de tamis moléculaire à petits pores ayant une dimension annulaire maximale de huit atomes tétraédriques physiquement mélangés à du platine et du rhodium sur un support d'oxyde métallique réfractaire comprenant de l'alumine, de la silice, de la zircone, de l'oxyde de titane, et des mélanges physiques ou combinaisons chimiques de ceux-ci, y compris des combinaisons dopées atomiquement. L'invention concerne également un catalyseur comprenant une première zone de couche d'imprégnation comprenant du cuivre ou du fer sur un matériau de tamis moléculaire à petits pores ayant une dimension annulaire maximale de huit atomes tétraédriques, la première zone de couche d'imprégnation étant sensiblement dépourvue de métal du groupe platine; et une deuxième zone de couche d'imprégnation comprenant du cuivre ou du fer sur un matériau de tamis moléculaire à petits pores ayant une dimension annulaire maximale de huit atomes tétraédriques physiquement mélangés à du platine ou du platine et du rhodium sur un support d'oxyde métallique réfractaire comprenant de l'alumine, de la silice, de la zircone, de l'oxyde de titane, et des mélanges physiques ou des combinaisons chimiques de ceux-ci, y compris des combinaisons dopées atomiquement. L'invention porte également sur des procédés et sur des systèmes pour traiter des émissions.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, 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: English (EN)
Filing Language: English (EN)