DE2629037C2 - Verfahren zur Herstellung von Denitrier-Katalysatoren - Google Patents

Verfahren zur Herstellung von Denitrier-Katalysatoren

Info

Publication number
DE2629037C2
DE2629037C2 DE2629037A DE2629037A DE2629037C2 DE 2629037 C2 DE2629037 C2 DE 2629037C2 DE 2629037 A DE2629037 A DE 2629037A DE 2629037 A DE2629037 A DE 2629037A DE 2629037 C2 DE2629037 C2 DE 2629037C2
Authority
DE
Germany
Prior art keywords
aluminum
layer
ammonia
stainless steel
carrier metal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2629037A
Other languages
German (de)
English (en)
Other versions
DE2629037A1 (de
Inventor
Masayoshi Ichiki
Hideya Inaba
Yoshinori Osaka Wakiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanadevia Corp
Original Assignee
Hitachi Shipbuilding and Engineering Co 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 Hitachi Shipbuilding and Engineering Co Ltd filed Critical Hitachi Shipbuilding and Engineering Co Ltd
Publication of DE2629037A1 publication Critical patent/DE2629037A1/de
Application granted granted Critical
Publication of DE2629037C2 publication Critical patent/DE2629037C2/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • 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
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J25/00Catalysts of the Raney type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391Physical properties of the active metal ingredient
    • B01J35/395Thickness of the active catalytic layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/206Ammonium compounds
    • B01D2251/2062Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20753Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/902Multilayered catalyst
    • B01D2255/9027More than three layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2235/00Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (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)
DE2629037A 1975-06-30 1976-06-29 Verfahren zur Herstellung von Denitrier-Katalysatoren Expired DE2629037C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50081339A JPS524491A (en) 1975-06-30 1975-06-30 Method of preparing catalyst for removing nox by selective catalytic r eduction with ammonia

Publications (2)

Publication Number Publication Date
DE2629037A1 DE2629037A1 (de) 1977-01-13
DE2629037C2 true DE2629037C2 (de) 1982-11-11

Family

ID=13743601

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2629037A Expired DE2629037C2 (de) 1975-06-30 1976-06-29 Verfahren zur Herstellung von Denitrier-Katalysatoren

Country Status (7)

Country Link
US (1) US4040981A (enExample)
JP (1) JPS524491A (enExample)
CA (1) CA1064894A (enExample)
DE (1) DE2629037C2 (enExample)
FR (1) FR2324363A1 (enExample)
GB (1) GB1522424A (enExample)
NL (1) NL167611C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400070B (de) * 1991-03-01 1995-09-25 Bertsch Josef Gmbh & Co Wasserrohrkessel

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1574069A (en) * 1976-11-09 1980-09-03 Hitachi Shipbuilding Eng Co Denitrating catalysts
US4349612A (en) * 1978-11-24 1982-09-14 Alloy Surfaces Company, Inc. Metal web
US4179412A (en) * 1977-03-14 1979-12-18 Hitachi Shipbuilding & Engineering Co., Ltd. Process for producing catalyst precursors for decomposing ammonia by oxidation and precursors produced by said process
JPS53115686A (en) * 1977-03-18 1978-10-09 Hitachi Zosen Corp Process for producing highly activated denitrating catalyst
JPS546890A (en) * 1977-06-20 1979-01-19 Hitachi Zosen Corp Durable denitration catalyst
JPS5443193A (en) * 1977-09-12 1979-04-05 Hitachi Zosen Corp Preparation of platinummsupported metal catalyst for oxidation
JPS581628B2 (ja) * 1978-01-13 1983-01-12 日立造船株式会社 アンモニア酸化分解触媒およびその製造法
JPS558874A (en) * 1978-07-06 1980-01-22 Hitachi Zosen Corp Plate denitrification catalyst
JPS5926341B2 (ja) * 1978-07-06 1984-06-26 日立造船株式会社 多孔質被膜を有する脱硝触媒
US4176091A (en) * 1978-07-24 1979-11-27 Hitachi Shipbuilding & Engineering Co., Ltd. Denitrating catalysts having porous coating and process for producing same
US4233183A (en) * 1979-02-06 1980-11-11 Hitachi Shipbuilding & Engineering Co., Ltd. Process for producing plate-shaped denitrating catalyst
DE3526383C1 (de) * 1985-07-24 1986-12-11 Didier-Werke Ag, 6200 Wiesbaden Verfahren zur Erzeugung von Katalysatoren fuer die Reduktion von Stickoxiden aus Abgasen und chemische Luftreinigungsverfahren
US4675214A (en) * 1986-05-20 1987-06-23 Kilbane Farrell M Hot dip aluminum coated chromium alloy steel
US5066549A (en) * 1986-05-20 1991-11-19 Armco Inc. Hot dip aluminum coated chromium alloy steel
US4800135A (en) * 1986-05-20 1989-01-24 Armco Inc. Hot dip aluminum coated chromium alloy steel
US8053387B2 (en) * 2002-11-07 2011-11-08 Tufts University Catalyst having metal in reduced quantity and reduced cluster size
CN104780241B (zh) 2012-02-24 2018-06-26 比亚迪股份有限公司 一种手机壳体
CN104746066B (zh) 2013-12-31 2017-07-04 比亚迪股份有限公司 一种金属与塑料的结合材料及其制备方法及制备的结合材料

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970065A (en) * 1956-12-31 1961-01-31 Gen Motors Corp Forming an aluminum-containing alloy protective layer on metals
BE628956A (enExample) * 1962-02-28
US3846344A (en) * 1972-07-24 1974-11-05 Int Nickel Co Method for producing nickel catalyst
NL159020B (nl) * 1972-12-07 1979-01-15 Hitachi Shipbuilding Eng Co Werkwijze voor de vervaardiging van een voorwerp met een katalytisch oppervlak, en voorwerp, verkregen volgens deze werkwijze.
JPS5123397B2 (enExample) * 1973-01-24 1976-07-16
JPS5646898B2 (enExample) * 1973-01-29 1981-11-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400070B (de) * 1991-03-01 1995-09-25 Bertsch Josef Gmbh & Co Wasserrohrkessel

Also Published As

Publication number Publication date
JPS524491A (en) 1977-01-13
NL7606879A (nl) 1977-01-03
US4040981A (en) 1977-08-09
GB1522424A (en) 1978-08-23
FR2324363B1 (enExample) 1981-08-21
NL167611C (nl) 1982-01-18
JPS5547934B2 (enExample) 1980-12-03
DE2629037A1 (de) 1977-01-13
FR2324363A1 (fr) 1977-04-15
CA1064894A (en) 1979-10-23

Similar Documents

Publication Publication Date Title
DE2629037C2 (de) Verfahren zur Herstellung von Denitrier-Katalysatoren
DE69625887T2 (de) vERFAHREN ZUR ENTSTICKUNG UND ENTSCHWEFELUNG VON ABGAS
DE69009601T2 (de) Katalysator zur Reinigung von Abgas.
DE69408957T2 (de) Vorrichtung und Verfahren zur Reinigung von Abgas
DE2613417C3 (de) Verfahren zur Entfernung von Stickstoffoxiden aus Abgasen
DE3018279A1 (de) Verfahren zur reinigung eines schwefelwasserstoff enthaltenden gases
DE2501939A1 (de) Verfahren zum betreiben eines internen verbrennungskraftmaschinensystems
DE2802194A1 (de) Verfahren zum entfernen von stickstoffoxiden aus stickstoffoxidhaltigen gasen
DE2433076A1 (de) Verfahren zur entfernung von stickstoffoxyden aus abgasen
DE4424695A1 (de) Neue Katalysatoren und Behandlung von Gasen mit denselben
DE3802871A1 (de) Anwendung eines katalysators auf der basis von modifiziertem zeolith, beladen mit einem oder mehreren metallen aus der gruppe von fe, cu, ni und co, im scr-verfahren
DE4204603C2 (de) Vorrichtung zur mehrstufigen, katalytischen Verbrennung von stickstoffhaltigen Gasen
DE2603910B2 (de) Verfahren zur katalytischen Reduktion von Stickstoffoxiden in Rauchgasen
EP0928630B1 (de) Katalysator und Verfahren zur katalytischen Zersetzung von Ammoniak und Cyanwasserstoff aus Kokereiabgasen
DE2617649C2 (de) Verfahren zum Entfernen von Schwefelwasserstoff und Schwefeldioxid aus Abgasen
DE2411888C3 (de) Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen
DE2454515A1 (de) Verfahren zur reduktion von stickstoffoxyden
DE3341777A1 (de) Katalysator, verfahren zu seiner herstellung und seine verwendung
DE2842147A1 (de) Katalysator zum reduzieren von stickstoffoxiden und verfahren zur herstellung eines derartigen katalysators
DE2646627A1 (de) Verfahren zur herstellung von schwefel
DE69309245T2 (de) Abgasreiniger
DE2951787A1 (de) Verfahren zur entfernung schwefelhaltiger gase
DE2408734A1 (de) Nickel- und rhodium-no tief x -katalysator auf einem keramischen monolithtraeger
DE2926894C2 (de) Verfahren zur Herstellung eines Denitrierkatalysators
DE2447221B2 (de) Verfahren zur Vernichtung von Cyanwasserstoff gas

Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: PAUL, D., DIPL.-ING., PAT.-ANW., 4040 NEUSS

D2 Grant after examination
8339 Ceased/non-payment of the annual fee