IT1017134B - Processo per il trattamento di un miscuglio gassoso contenente ossi di di azoto - Google Patents

Processo per il trattamento di un miscuglio gassoso contenente ossi di di azoto

Info

Publication number
IT1017134B
IT1017134B IT2513474A IT2513474A IT1017134B IT 1017134 B IT1017134 B IT 1017134B IT 2513474 A IT2513474 A IT 2513474A IT 2513474 A IT2513474 A IT 2513474A IT 1017134 B IT1017134 B IT 1017134B
Authority
IT
Italy
Prior art keywords
bones
treatment
mixture containing
gaseous mixture
containing nitrogen
Prior art date
Application number
IT2513474A
Other languages
English (en)
Italian (it)
Original Assignee
Hitachi Ltd
Mitsubishi Petrochemical Co
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 Hitachi Ltd, Mitsubishi Petrochemical Co filed Critical Hitachi Ltd
Application granted granted Critical
Publication of IT1017134B publication Critical patent/IT1017134B/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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • 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
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2047—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • 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
    • B01D2255/20738—Iron
    • 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
    • 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
    • B01D2255/20761—Copper
    • 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
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/30—Silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT2513474A 1973-07-17 1974-07-12 Processo per il trattamento di un miscuglio gassoso contenente ossi di di azoto IT1017134B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48081427A JPS5057946A (de) 1973-07-17 1973-07-17

Publications (1)

Publication Number Publication Date
IT1017134B true IT1017134B (it) 1977-07-20

Family

ID=13746057

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2513474A IT1017134B (it) 1973-07-17 1974-07-12 Processo per il trattamento di un miscuglio gassoso contenente ossi di di azoto

Country Status (5)

Country Link
JP (1) JPS5057946A (de)
DE (1) DE2434416C2 (de)
FR (1) FR2237678B1 (de)
GB (1) GB1473883A (de)
IT (1) IT1017134B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117173A (en) * 1974-08-01 1976-02-10 Japan Gasoline Haigasuchuno chitsusosankabutsukangenho
US4182745A (en) * 1974-08-06 1980-01-08 Jgc Corporation Catalyst for reducing nitrogen oxides in a waste gas and a process for catalytically reducing nitrogen oxides contained in a waste gas
JPS52111482A (en) * 1976-03-15 1977-09-19 Hitachi Zosen Corp Flue gas denitration catalyst with high activity
JPS6128454A (ja) * 1984-07-17 1986-02-08 シ−ビ−エムエム・インタ−ナシヨナル・リミタ−ダ 排ガス中の窒素酸化物除去用触媒
JPS61101246A (ja) * 1984-08-17 1986-05-20 ヒユールス・アクチエンゲゼルシヤフト フエノ−ル類のオルト−メチル化方法及びオルト−メチル化用触媒
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
SE464688B (sv) * 1989-02-27 1991-06-03 Eka Nobel Ab Katalysator foer reducering av kvaeveoxider samt anvaendning daerav
DE10001539B4 (de) * 2000-01-14 2006-01-19 Uhde Gmbh Verfahren zur Beseitigung von NOx und N2O
JP4895090B2 (ja) * 2005-12-28 2012-03-14 株式会社豊田中央研究所 Ｎｏｘ選択還元触媒
GB2450484A (en) 2007-06-25 2008-12-31 Johnson Matthey Plc Non-Zeolite base metal catalyst
US8017097B1 (en) 2010-03-26 2011-09-13 Umicore Ag & Co. Kg ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts
US8529853B2 (en) 2010-03-26 2013-09-10 Umicore Ag & Co. Kg ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts
CN103877986B (zh) * 2014-01-27 2016-01-20 济南大学 一种具有片花状结构的铁钨复合氧化物脱硝催化剂及其制备方法及应用
CN105664912A (zh) * 2015-12-31 2016-06-15 中国科学院生态环境研究中心 一种铈锡锆复合氧化物催化剂、制备方法及其用途

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
DE1259298B (de) * 1964-08-29 1968-01-25 Hamburger Gaswerke Gmbh Verfahren zur Entfernung von Stickoxyden aus Gasen durch katalytische Reduktion derselben zu Stickstoff
DE1937552A1 (de) * 1969-07-24 1971-02-11 Basf Ag Verfahren zur selektiven Entfernung von Stickstoffdioxid aus Gasen
BE756150A (fr) * 1969-09-16 1971-02-15 Johnson Matthey & Cy Ltd Perfectionnements aux reactions catalytiques
CA970348A (en) * 1970-08-07 1975-07-01 Snamprogetti S.P.A. Catalytic composition for the production of unsaturated nitriles

Also Published As

Publication number Publication date
FR2237678B1 (de) 1982-01-29
DE2434416C2 (de) 1984-09-13
GB1473883A (en) 1977-05-18
DE2434416A1 (de) 1975-02-13
FR2237678A1 (de) 1975-02-14
JPS5057946A (de) 1975-05-20

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