IT1065501B - Procedimento per allontanare ossidi di azoto da gas di scarico mediante riduzione per contatto selettiva - Google Patents

Procedimento per allontanare ossidi di azoto da gas di scarico mediante riduzione per contatto selettiva

Info

Publication number
IT1065501B
IT1065501B IT30867/76A IT3086776A IT1065501B IT 1065501 B IT1065501 B IT 1065501B IT 30867/76 A IT30867/76 A IT 30867/76A IT 3086776 A IT3086776 A IT 3086776A IT 1065501 B IT1065501 B IT 1065501B
Authority
IT
Italy
Prior art keywords
procedure
reduction
exhaust gas
nitrogen oxides
remove nitrogen
Prior art date
Application number
IT30867/76A
Other languages
English (en)
Original Assignee
Ngk Insulators 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 Ngk Insulators Ltd filed Critical Ngk Insulators Ltd
Application granted granted Critical
Publication of IT1065501B publication Critical patent/IT1065501B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
IT30867/76A 1975-12-24 1976-12-24 Procedimento per allontanare ossidi di azoto da gas di scarico mediante riduzione per contatto selettiva IT1065501B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50154506A JPS5277878A (en) 1975-12-24 1975-12-24 Method of removing nitrogen oxides from exhaust gases

Publications (1)

Publication Number Publication Date
IT1065501B true IT1065501B (it) 1985-02-25

Family

ID=15585722

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30867/76A IT1065501B (it) 1975-12-24 1976-12-24 Procedimento per allontanare ossidi di azoto da gas di scarico mediante riduzione per contatto selettiva

Country Status (8)

Country Link
US (1) US4358428A (it)
JP (1) JPS5277878A (it)
BE (1) BE849821A (it)
DE (1) DE2658539C3 (it)
FR (1) FR2336164A1 (it)
GB (1) GB1521010A (it)
IT (1) IT1065501B (it)
NL (1) NL187789C (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824174B2 (ja) * 1977-08-31 1983-05-19 三菱重工業株式会社 排ガス処理法
JPS5477277A (en) * 1977-12-02 1979-06-20 Mitsubishi Heavy Ind Ltd Method and apparatus for reducing nitrogen oxides in combustion exhaust gas
DE3167287D1 (en) * 1980-05-27 1985-01-03 Corning Glass Works Catalytic converter
FR2486923A1 (fr) * 1980-07-17 1982-01-22 Davy Mckee Corp Procede d'oxydation de l'anhydride sulfureux en anhydride sulfurique par contact catalytique
USRE33077E (en) * 1980-07-28 1989-10-03 Corning Glass Works Wood burning stove
US4373452A (en) 1980-07-28 1983-02-15 Corning Glass Works Wood burning stove
US4520124A (en) * 1981-03-19 1985-05-28 Sakai Chemical Industry Co., Ltd. Method for producing a catalytic structure for the reduction of nitrogen oxides
JPS6078707A (ja) * 1983-10-07 1985-05-04 日本碍子株式会社 セラミツクハニカム構造体およびその製法ならびにこれを利用した回転蓄熱式セラミツク熱交換体およびその押出し成形金型
JPS60183026A (ja) * 1984-03-01 1985-09-18 Mitsubishi Heavy Ind Ltd 排ガス処理法
JPS60212234A (ja) * 1984-04-05 1985-10-24 Nippon Shokubai Kagaku Kogyo Co Ltd ハニカム型脱臭触媒
JPS60220148A (ja) * 1984-04-17 1985-11-02 Nippon Shokubai Kagaku Kogyo Co Ltd ハニカム型脱臭触媒
DE3538259A1 (de) * 1985-10-28 1987-04-30 Kali Chemie Ag Katalytisches abgasbehandlungsverfahren
JPS62158160A (ja) * 1985-12-27 1987-07-14 堺化学工業株式会社 成形触媒及び接触反応方法
DE3632322A1 (de) * 1986-09-19 1988-03-24 Otto Feuerfest Gmbh Katalysatorformkoerper sowie verfahren und vorrichtung zu seiner herstellung
DE3632321C1 (de) * 1986-09-19 1987-12-03 Otto Feuerfest Gmbh Verfahren und Vorrichtung zur Herstellung stranggepresster,Hohlraeume aufweisender keramischer Formkoerper
US4874590A (en) * 1988-04-07 1989-10-17 Uop Catalytic reduction of nitrogen oxides
US4877766A (en) * 1988-07-18 1989-10-31 Corning Incorporated Mini-monolith substrate
JP2736099B2 (ja) * 1989-02-06 1998-04-02 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒
US5198176A (en) * 1989-03-08 1993-03-30 Fortex, Inc. Method for the manufacture of shaped products of biaxially oriented polymer material
US5120516A (en) * 1990-01-08 1992-06-09 Physical Sciences, Inc. Process for removing nox emissions from combustion effluents
DE59108660D1 (de) * 1990-05-08 1997-05-22 Sulzer Chemtech Ag Katalysatoranordnung in einer kolonne
WO1991017828A1 (en) * 1990-05-14 1991-11-28 The University Of Akron Catalysts for the destruction of halogenated organics
US5457268A (en) * 1990-05-14 1995-10-10 The University Of Akron Selective oxidation catalysts for halogenated organics
US5206202A (en) * 1991-07-25 1993-04-27 Corning Incorporated Catalyst device fabricated in situ and method of fabricating the device
DE4229255A1 (de) * 1992-09-02 1994-03-03 Huels Chemische Werke Ag Verfahren zur Herstellung von Katalysatoren zur Entfernung von Stickstoffoxiden aus Abgasen
FR2741822B1 (fr) * 1995-12-05 1998-02-20 Tami Ind Element tubulaire inorganique de filtration comportant des canaux de section non circulaire presentant des profils optimises
DE19635383A1 (de) * 1996-08-31 1998-03-05 Katalysatorenwerke Huels Gmbh DeNOx-Katalysator für stark Staub-haltige Abgase
DE19635385B4 (de) * 1996-08-31 2011-07-14 Envirotherm GmbH, 45136 Verfahren zur reduktiven Zerstörung von Stickstoffoxiden in staubhaltigen Abgasen aus Anlagen zur Herstellung von Zement
US7998444B2 (en) * 2008-04-30 2011-08-16 Johnson Matthey Inc. Method of reducing nitrogen oxides in a gas stream with vaporized ammonia
CN115475508B (zh) * 2022-09-28 2024-04-30 天津中材工程研究中心有限公司 Sncr旋风筒喷枪的插入位置判断方法及自动调整系统

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565830A (en) * 1963-02-07 1971-02-23 Engelhard Min & Chem Coated film of catalytically active oxide on a refractory support
US3502596A (en) * 1965-11-16 1970-03-24 Du Pont Ceramic structures
GB1210867A (en) * 1968-02-14 1970-11-04 Shell Int Research Process for the catalytic conversion of components in gas mixtures and an apparatus therefor
US3922412A (en) * 1971-05-18 1975-11-25 Nippon Toki Kk Thin-walled carbonaceous honeycomb structures
DE2247254A1 (de) * 1971-09-30 1973-04-05 British Leyland Truck & Bus Katalysatoren-traeger
JPS5023348B2 (it) * 1971-12-28 1975-08-07
JPS572375B2 (it) * 1973-04-12 1982-01-16
JPS513147Y2 (it) * 1973-06-20 1976-01-29
US3864451A (en) * 1973-08-16 1975-02-04 Environics Inc Method for Removing Nitric Oxide from Combustion Gases
JPS523636B2 (it) * 1973-08-17 1977-01-28
JPS5429991B2 (it) * 1973-10-15 1979-09-27
JPS5228709B2 (it) * 1973-10-04 1977-07-28
JPS511232A (ja) * 1974-06-24 1976-01-07 Kubota Ltd Tamanegiishokukiniokeru naenookurisochi
US3958058A (en) * 1974-07-29 1976-05-18 Corning Glass Works Ultra-low expansion ceramic articles
JPS5818908B2 (ja) * 1974-09-17 1983-04-15 株式会社日立製作所 インクジエツトキロクソウチ
JPS5154073A (it) * 1974-11-06 1976-05-12 Sumitomo Chemical Co
JPS51130693A (en) * 1975-05-10 1976-11-13 Ube Ind Ltd Catalyst for dry removal of no in exhaust gas containing dust
JPS5215476A (en) * 1975-07-28 1977-02-05 Sakai Chem Ind Co Ltd Process for treatment of exhaust gases containing nitrogen oxides and dust

Also Published As

Publication number Publication date
FR2336164A1 (fr) 1977-07-22
JPS5429419B2 (it) 1979-09-22
FR2336164B1 (it) 1981-11-27
NL187789C (nl) 1992-01-16
US4358428A (en) 1982-11-09
DE2658539C3 (de) 1979-09-13
JPS5277878A (en) 1977-06-30
NL187789B (nl) 1991-08-16
GB1521010A (en) 1978-08-09
BE849821A (fr) 1977-04-15
DE2658539A1 (de) 1977-07-21
NL7614370A (nl) 1977-06-28
DE2658539B2 (de) 1979-01-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951221