PH12018000215B1 - Exhaust gas cleaning system - Google Patents

Exhaust gas cleaning system

Info

Publication number
PH12018000215B1
PH12018000215B1 PH12018000215A PH12018000215A PH12018000215B1 PH 12018000215 B1 PH12018000215 B1 PH 12018000215B1 PH 12018000215 A PH12018000215 A PH 12018000215A PH 12018000215 A PH12018000215 A PH 12018000215A PH 12018000215 B1 PH12018000215 B1 PH 12018000215B1
Authority
PH
Philippines
Prior art keywords
reduction device
catalytic reduction
selective catalytic
exhaust gas
selective
Prior art date
Application number
PH12018000215A
Other versions
PH12018000215A1 (en
Inventor
Kohei Oka
Original Assignee
Isuzu Motors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Publication of PH12018000215A1 publication Critical patent/PH12018000215A1/en
Publication of PH12018000215B1 publication Critical patent/PH12018000215B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/04—Sulfur or sulfur oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)

Abstract

An exhaust gas cleaning system includes: a first selective catalytic reduction device disposed in an exhaust pipe through which exhaust gas discharged from an internal combustion engine passes, the first selective catalytic reduction device including a selective reducing catalyst using vanadium; a first jetting section provided upstream of the first selective catalytic reduction device in the exhaust pipe, the first jetting section being configured to jet reducing agent; and a second selective catalytic reduction device provided downstream of the first selective catalytic reduction device in the exhaust pipe, the second selective catalytic reduction device including a selective reducing catalyst using copper.
PH12018000215A 2017-08-14 2018-08-10 Exhaust gas cleaning system PH12018000215B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017156578A JP2019035360A (en) 2017-08-14 2017-08-14 Exhaust emission control system

Publications (2)

Publication Number Publication Date
PH12018000215A1 PH12018000215A1 (en) 2019-03-04
PH12018000215B1 true PH12018000215B1 (en) 2019-03-04

Family

ID=65417520

Family Applications (1)

Application Number Title Priority Date Filing Date
PH12018000215A PH12018000215B1 (en) 2017-08-14 2018-08-10 Exhaust gas cleaning system

Country Status (3)

Country Link
JP (1) JP2019035360A (en)
CN (1) CN109386364B (en)
PH (1) PH12018000215B1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000303826A (en) * 1999-04-16 2000-10-31 Isuzu Motors Ltd Exhaust emission control device for diesel engine
EP1286027A1 (en) * 2001-08-14 2003-02-26 Siemens Aktiengesellschaft Catalyst system, its use and method of its operation
DE10308288B4 (en) * 2003-02-26 2006-09-28 Umicore Ag & Co. Kg Process for the removal of nitrogen oxides from the exhaust gas of a lean-burned internal combustion engine and exhaust gas purification system for this purpose
JP2006057578A (en) * 2004-08-23 2006-03-02 Hino Motors Ltd Exhaust emission control device
EP2116293B1 (en) * 2008-04-11 2010-03-17 Umicore AG & Co. KG Exhaust gas cleaning system for treating motor exhaust gases with an SCR catalytic converter
RU2524165C2 (en) * 2009-02-20 2014-07-27 Хальдор Топсеэ А/С Diesel exhaust gas cleaning
US20110064632A1 (en) * 2009-09-14 2011-03-17 Ford Global Technologies, Llc Staged Catalyst System and Method of Using the Same
US8505282B2 (en) * 2011-09-09 2013-08-13 GM Global Technology Operations LLC Selective catalytic reduction (SCR) device control system
US9890678B2 (en) * 2013-10-03 2018-02-13 Baohua Qi Multi-stage SCR control and diagnostic system
US10113462B2 (en) * 2015-04-24 2018-10-30 Cummins Inc. Advanced exhaust aftertreatment system architecture
SE539133C2 (en) * 2015-08-27 2017-04-11 Scania Cv Ab Exhaust gas treatment system and method for treating an exhaust gas stream
US9616385B1 (en) * 2015-09-30 2017-04-11 Deere & Company System and method for regulating exhaust emissions

Also Published As

Publication number Publication date
PH12018000215A1 (en) 2019-03-04
CN109386364A (en) 2019-02-26
CN109386364B (en) 2021-08-13
JP2019035360A (en) 2019-03-07

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