IT1026472B - Metodo e dispositivo per allonta nare impurezze dai gas di scarico di motori - Google Patents

Metodo e dispositivo per allonta nare impurezze dai gas di scarico di motori

Info

Publication number
IT1026472B
IT1026472B IT47852/75A IT4785275A IT1026472B IT 1026472 B IT1026472 B IT 1026472B IT 47852/75 A IT47852/75 A IT 47852/75A IT 4785275 A IT4785275 A IT 4785275A IT 1026472 B IT1026472 B IT 1026472B
Authority
IT
Italy
Prior art keywords
exhaust gases
engine exhaust
removing impurities
impurities
engine
Prior art date
Application number
IT47852/75A
Other languages
English (en)
Original Assignee
Gould Inc
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 Gould Inc filed Critical Gould Inc
Application granted granted Critical
Publication of IT1026472B publication Critical patent/IT1026472B/it

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
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01D53/9459—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
    • B01D53/9463—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 one brick
    • B01D53/9472—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 one brick in different zones
    • 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
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
IT47852/75A 1974-01-29 1975-01-27 Metodo e dispositivo per allonta nare impurezze dai gas di scarico di motori IT1026472B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/437,674 US3978193A (en) 1974-01-29 1974-01-29 Method and apparatus for treating exhaust gases

Publications (1)

Publication Number Publication Date
IT1026472B true IT1026472B (it) 1978-09-20

Family

ID=23737420

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47852/75A IT1026472B (it) 1974-01-29 1975-01-27 Metodo e dispositivo per allonta nare impurezze dai gas di scarico di motori

Country Status (10)

Country Link
US (1) US3978193A (it)
JP (1) JPS50114380A (it)
BR (1) BR7500574A (it)
CA (1) CA1016758A (it)
DE (1) DE2501939A1 (it)
ES (1) ES434010A1 (it)
FR (1) FR2259235A1 (it)
GB (1) GB1472341A (it)
IT (1) IT1026472B (it)
SE (1) SE406627B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078380A (en) * 1974-03-22 1978-03-14 Gould Inc. Self-supporting NOx reducing catalyst
FR2460709A1 (fr) * 1979-07-09 1981-01-30 Renault Dispositif de protection de reacteurs catalytiques
US4382323A (en) * 1980-07-10 1983-05-10 General Motors Corporation Method for manufacturing a wound foil structure comprising distinct catalysts
FR2507920B1 (fr) * 1981-06-22 1986-05-16 Rhone Poulenc Spec Chim Support de catalyseur, notamment de catalyseur de post-combustion et procede de fabrication de ce support
FR2622126B1 (fr) * 1987-10-21 1991-06-14 Procatalyse Ste Fse Produits C Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur
KR910011326A (ko) * 1989-12-27 1991-08-07 다나까 쇼오소우 배기가스의 정화방법 및 그 장치
IL104848A0 (en) * 1992-02-25 1993-06-10 Blue Planet Tech Co Catalyst system
US5387569A (en) * 1992-02-25 1995-02-07 Blue Planet Technologies Co., L.P. Catalytic solution suitable for converting combustion emissions
US5460790A (en) * 1992-02-25 1995-10-24 Blue Planet Technologies Co., L.P. Catalytic vessel for receiving metal catalysts by deposition from the gas phase
US5322671A (en) * 1992-02-25 1994-06-21 Blue Planet Technologies Co., L.P. Catalytic vessel
JP2602391B2 (ja) * 1992-08-25 1997-04-23 新日本製鐵株式会社 排ガス浄化用メタル担体
US5318755A (en) * 1992-11-30 1994-06-07 A. Ahlstrom Corporation Method and apparatus for cleaning flue gases
US6152972A (en) * 1993-03-29 2000-11-28 Blue Planet Technologies Co., L.P. Gasoline additives for catalytic control of emissions from combustion engines
DE69427744T2 (de) * 1993-04-28 2002-05-23 Nippon Shokubai Co. Ltd., Osaka Methode zur entfernung von in abgas enthaltenen stickstoffoxyden
US5367889A (en) * 1993-08-25 1994-11-29 Lanyon; Joseph G. Exhaust treatment apparatus
DE69503527T2 (de) 1994-01-20 1999-04-29 Toyota Jidosha K.K., Toyota, Aichi Katalysator zur Reinigung von Abgasen
CA2144366A1 (en) * 1995-03-09 1996-09-11 Takashi Itoh Method of purifying exhaust gas from internal combustion engine
RU2129908C1 (ru) * 1998-06-09 1999-05-10 Российская академия естественных наук Реактор термического окисления газовых выбросов
RU2163300C1 (ru) * 1999-06-15 2001-02-20 Алтайский государственный технический университет им. И.И. Ползунова Многоступенчатый каталитический нейтрализатор дизеля
DE10118327A1 (de) * 2001-04-12 2002-10-17 Emitec Emissionstechnologie Abgassystem
JP6476622B2 (ja) * 2014-07-14 2019-03-06 株式会社リコー 流体処理装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA819114A (en) * 1969-07-29 Texaco Development Corporation Treatment of exhaust gases
US3047484A (en) * 1955-03-30 1962-07-31 John T Stacy Iron base alloys and articles made therefrom
DE1132899B (de) * 1961-02-22 1962-07-12 Heraeus Gmbh W C Metall-Katalysator mit netzartiger Struktur
US3232373A (en) * 1963-03-27 1966-02-01 Bjork And Johnson Inc Muffler with transverse expanded metal baffles
US3546075A (en) * 1967-03-23 1970-12-08 Rca Corp Expandable metal structure making by etching
US3719739A (en) * 1970-01-29 1973-03-06 Exxon Research Engineering Co Method of preparing a catalyst
US3773894A (en) * 1971-07-22 1973-11-20 Exxon Nitrogen oxide conversion using reinforced nickel-copper catalysts
JPS4832764A (it) * 1971-08-30 1973-05-02
US3886260A (en) * 1971-09-25 1975-05-27 Monsanto Co Process for reducing nitrogen oxides
JPS4841918A (it) * 1971-10-04 1973-06-19
US3809743A (en) * 1972-01-07 1974-05-07 Monsanto Co Process for treating automotive exhaust
US3825654A (en) * 1972-04-21 1974-07-23 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines

Also Published As

Publication number Publication date
SE406627B (sv) 1979-02-19
SE7500874L (it) 1975-07-30
GB1472341A (en) 1977-05-04
BR7500574A (pt) 1975-11-11
JPS50114380A (it) 1975-09-08
FR2259235A1 (it) 1975-08-22
ES434010A1 (es) 1976-12-01
AU7701374A (en) 1976-07-01
DE2501939A1 (de) 1975-07-31
CA1016758A (en) 1977-09-06
US3978193A (en) 1976-08-31

Similar Documents

Publication Publication Date Title
IT1026472B (it) Metodo e dispositivo per allonta nare impurezze dai gas di scarico di motori
US4040783A (en) Method of and apparatus for analysis of the exhaust gases from internal combustion engines
IT1028324B (it) Metodo per rimuovere ossidi di azoto da gas di scarico mediante riduzione
AT361449B (de) Verfahren und vorrichtung fuer die unschaedlich- machung von abgasen
IT1056160B (it) Dispositivo per eliminare componenti nocivi da gas di scarico di motori
IT1035644B (it) Processo per togliere simultaneamente so ed nox dai gas di scarico di un forno a combustione
IT1055659B (it) Procedimento per eliminazione degli ossidi di azoto dai gas di combustione
IT1037985B (it) Metodo ed impianto per depurare gas di scarico
SE7505430L (sv) Anordning for att nedbringa halten av skadliga bestandsdelar i avgaser fran en forbrenningsmotor.
SE7508822L (sv) Anordning for att nedbringa halten av skadliga bestandsdelar i avgaser fran en forbrenningsmotor.
BR7506113A (pt) Processo e aparelho para remocao de impurezas organicas gasosas de gases de escapamento
IT1017660B (it) Procedimento per rimuovere ossidi di zolfo e ossidi di azoto dai gas di scarico della combustione
IT1079857B (it) Metodo e dispositivo per la depurazione di gas di scarico
GB1437315A (en) Apparatus for purifying exhaust gases from combustion engines
IT964681B (it) Dispositivo per decontaminare i gas di scarico di motori a scoppio
IT1136188B (it) Metodo ed apparecchio per la purificazione dei gas di scarico
SE419569B (sv) Forgasare for forbrenningsmotorer
IT7867069A0 (it) Dispositivo per la separazione di particelle di piombo dai gas di scarico di un motore a combustione in terna
IT1030447B (it) Rettore catalitico per il disin quinamento dei gas di scarico di motori
IT1058630B (it) Metodo ed apparecchio per separare particelle dai gas
IT1061034B (it) Dispositivo per allontanare sostanze nocive polverulente e gassose da gas di scarico di macchine di sinterizzazione
AT386272B (de) Abzugssystem fuer die verbrennungsgase aus gasdichten apparaturen
BR6789810D0 (pt) Um processo e dispositivo para purificar os gases de exaustao de caminhoes de minerio acionados a motor
IT1015340B (it) Apparecchiatura purificatrice cata litica in particolare per gas di scarico di motori a combustione
IT1106531B (it) Dispositivo per la separazione di particelle di piombo dai gas di scarico di un motore a combustione interna