CN117222481A - 用于选择性催化还原NOx以及裂解和转化烃的催化剂 - Google Patents

用于选择性催化还原NOx以及裂解和转化烃的催化剂 Download PDF

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CN117222481A
CN117222481A CN202280031690.XA CN202280031690A CN117222481A CN 117222481 A CN117222481 A CN 117222481A CN 202280031690 A CN202280031690 A CN 202280031690A CN 117222481 A CN117222481 A CN 117222481A
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coating
catalyst
zeolite material
membered ring
substrate
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Chinese (zh)
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R·多纳
J·M·贝克尔
J·A·帕切特
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BASF Corp
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BASF Corp
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    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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    • B01D53/9459Removing 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
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    • B01D53/9472Removing 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 one brick in different zones
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  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
CN202280031690.XA 2021-04-28 2022-04-27 用于选择性催化还原NOx以及裂解和转化烃的催化剂 Pending CN117222481A (zh)

Applications Claiming Priority (3)

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EP21170867 2021-04-28
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