CN101668589B - 铜cha沸石催化剂 - Google Patents

铜cha沸石催化剂 Download PDF

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Publication number
CN101668589B
CN101668589B CN2008800137420A CN200880013742A CN101668589B CN 101668589 B CN101668589 B CN 101668589B CN 2008800137420 A CN2008800137420 A CN 2008800137420A CN 200880013742 A CN200880013742 A CN 200880013742A CN 101668589 B CN101668589 B CN 101668589B
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catalyst
copper
cucha
scr
ammonia
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CN101668589A (zh
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I·布尔
W-M·薛
R·S·布尔斯
W·M·亚格洛斯基
G·S·柯尔梅尔
A·莫伊尼
J·A·帕琛特
P·伯克
J·C·德特兰
M·T·考德
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BASF SE
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BASF Catalysts LLC
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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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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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
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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
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    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
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    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
CN2008800137420A 2007-02-27 2008-02-27 铜cha沸石催化剂 Active CN101668589B (zh)

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US89183507P 2007-02-27 2007-02-27
US60/891,835 2007-02-27
PCT/US2008/055140 WO2008106519A1 (en) 2007-02-27 2008-02-27 Copper cha zeolite catalysts

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CN101668589A CN101668589A (zh) 2010-03-10
CN101668589B true CN101668589B (zh) 2013-06-12

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