DK3463629T3 - Fremgangsmåde for og system til behandling af nox i udstødningsgas fra stationære emissionskilder - Google Patents

Fremgangsmåde for og system til behandling af nox i udstødningsgas fra stationære emissionskilder Download PDF

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Publication number
DK3463629T3
DK3463629T3 DK17727678.9T DK17727678T DK3463629T3 DK 3463629 T3 DK3463629 T3 DK 3463629T3 DK 17727678 T DK17727678 T DK 17727678T DK 3463629 T3 DK3463629 T3 DK 3463629T3
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Denmark
Prior art keywords
exhaust gas
emission sources
treating nox
stationary emission
stationary
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DK17727678.9T
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English (en)
Inventor
Paul Joseph Andersen
Kevin Doura
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Johnson Matthey Plc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8637Simultaneously removing sulfur oxides and nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42Platinum
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    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • B01D53/565Nitrogen oxides by treating the gases with solids
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    • 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
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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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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Chemical & Material Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
DK17727678.9T 2016-05-31 2017-05-25 Fremgangsmåde for og system til behandling af nox i udstødningsgas fra stationære emissionskilder DK3463629T3 (da)

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US201662343183P 2016-05-31 2016-05-31
PCT/GB2017/051487 WO2017207969A1 (en) 2016-05-31 2017-05-25 Method and exhaust system for treating nox in exhaust gas from stationary emission sources

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