JPS558875A - Denitrification catalyst with porous coat - Google Patents

Denitrification catalyst with porous coat

Info

Publication number
JPS558875A
JPS558875A JP8256478A JP8256478A JPS558875A JP S558875 A JPS558875 A JP S558875A JP 8256478 A JP8256478 A JP 8256478A JP 8256478 A JP8256478 A JP 8256478A JP S558875 A JPS558875 A JP S558875A
Authority
JP
Japan
Prior art keywords
dipped
support
colloidal silica
lastly
dried
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.)
Granted
Application number
JP8256478A
Other languages
Japanese (ja)
Other versions
JPS5926341B2 (en
Inventor
Shigeya Inaba
Hisao Ogiyama
Masayoshi Ichiki
Yasuyoshi Kamino
Nobuo Matsumoto
Kenichi Nagai
Masamitsu Suzuki
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP53082564A priority Critical patent/JPS5926341B2/en
Priority to GB7919186A priority patent/GB2024640B/en
Priority to NLAANVRAGE7904504,A priority patent/NL179552C/en
Priority to IT49522/79A priority patent/IT1119768B/en
Priority to BE2/57900A priority patent/BE877182A/en
Priority to FR7916608A priority patent/FR2430260A1/en
Priority to DE2926894A priority patent/DE2926894C2/en
Priority to CA331,302A priority patent/CA1131197A/en
Publication of JPS558875A publication Critical patent/JPS558875A/en
Publication of JPS5926341B2 publication Critical patent/JPS5926341B2/en
Expired legal-status Critical Current

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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • 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
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0225—Coating of metal substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

PURPOSE: To obtain denitrification catalyst a higher activity and strongness by the procedure in which a porous metal catalyst base is dipped in a filmforming solution containing colloidal silica, then dried, and lastly dipped in an active metal compound solution.
CONSTITUTION: A porous metal catalyst base is subjected to an oxidation treatment and a SO2 treatment, then dipped in colloidal silica, and lastly dried. The dipping and drying operations are repeated 1 to 6 times until a support is obtained. Then, the support is dipped in a vanadium compound solution of vanadyl sulfate, vanadyl oxalate, ammonium metavanadate, etc., to hold the metal compound on the surface of the support. The preferred colloidal silica used includes an acid colloid of pH of 3 to 4.
COPYRIGHT: (C)1980,JPO&Japio
JP53082564A 1978-07-06 1978-07-06 Denitration catalyst with porous film Expired JPS5926341B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP53082564A JPS5926341B2 (en) 1978-07-06 1978-07-06 Denitration catalyst with porous film
GB7919186A GB2024640B (en) 1978-07-06 1979-06-01 Denitrating catalyst
NLAANVRAGE7904504,A NL179552C (en) 1978-07-06 1979-06-08 METHOD FOR MANUFACTURING A CATALYST FOR REMOVING NITROGEN OXIDES FROM WASTE GASES
IT49522/79A IT1119768B (en) 1978-07-06 1979-06-22 DENITRATION CATALYSTS WITH POROUS COATING AND PRODUCTION PROCESS OF THE SAME
BE2/57900A BE877182A (en) 1978-07-06 1979-06-22 DENITRATION CATALYSTS CONTAINING A POROUS COATING AND METHOD FOR MANUFACTURING SUCH CATALYSTS
FR7916608A FR2430260A1 (en) 1978-07-06 1979-06-27 DENITRATION CATALYSTS COMPRISING A POROUS COATING AND METHOD FOR PRODUCING THE SAME
DE2926894A DE2926894C2 (en) 1978-07-06 1979-07-03 Process for producing a denitration catalyst
CA331,302A CA1131197A (en) 1978-07-06 1979-07-06 Denitrating catalysts having porous coating and process for producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53082564A JPS5926341B2 (en) 1978-07-06 1978-07-06 Denitration catalyst with porous film

Publications (2)

Publication Number Publication Date
JPS558875A true JPS558875A (en) 1980-01-22
JPS5926341B2 JPS5926341B2 (en) 1984-06-26

Family

ID=13777977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53082564A Expired JPS5926341B2 (en) 1978-07-06 1978-07-06 Denitration catalyst with porous film

Country Status (8)

Country Link
JP (1) JPS5926341B2 (en)
BE (1) BE877182A (en)
CA (1) CA1131197A (en)
DE (1) DE2926894C2 (en)
FR (1) FR2430260A1 (en)
GB (1) GB2024640B (en)
IT (1) IT1119768B (en)
NL (1) NL179552C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237947A (en) * 1986-04-09 1987-10-17 Toshiaki Kabe Catalyst body

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60106535A (en) * 1983-11-16 1985-06-12 Mitsubishi Heavy Ind Ltd Catalyst for treating waste gas
EP0211443B1 (en) * 1985-08-19 1989-08-09 Siemens Aktiengesellschaft A process for preparing a catalyst for the selective reduction of nitrogen oxides from exhaust gases

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104194A (en) * 1974-01-19 1975-08-16
JPS5116291A (en) * 1974-07-31 1976-02-09 Takeda Chemical Industries Ltd
JPS524491A (en) * 1975-06-30 1977-01-13 Hitachi Zosen Corp Method of preparing catalyst for removing nox by selective catalytic r eduction with ammonia

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518206A (en) * 1968-05-17 1970-06-30 Du Pont Supported catalysts composed of substrate coated with colloidal silica and catalyst
GB1490977A (en) * 1973-12-10 1977-11-09 Atomic Energy Authority Uk Catalysts
NL7400525A (en) * 1973-01-27 1974-07-30
SE464798B (en) * 1973-10-24 1991-06-17 Johnson Matthey Co Ltd CATALYST CONTAINING A SUBSTRATE, AN INTERMEDIATE OXID LAYER AND A CATALYTIC LAYER
GB1471138A (en) * 1974-05-06 1977-04-21 Atomic Energy Authority Uk Supports for catalyst materials
GB1574069A (en) * 1976-11-09 1980-09-03 Hitachi Shipbuilding Eng Co Denitrating catalysts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104194A (en) * 1974-01-19 1975-08-16
JPS5116291A (en) * 1974-07-31 1976-02-09 Takeda Chemical Industries Ltd
JPS524491A (en) * 1975-06-30 1977-01-13 Hitachi Zosen Corp Method of preparing catalyst for removing nox by selective catalytic r eduction with ammonia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237947A (en) * 1986-04-09 1987-10-17 Toshiaki Kabe Catalyst body

Also Published As

Publication number Publication date
JPS5926341B2 (en) 1984-06-26
FR2430260B1 (en) 1983-07-22
GB2024640A (en) 1980-01-16
GB2024640B (en) 1983-01-06
DE2926894A1 (en) 1980-01-17
IT7949522A0 (en) 1979-06-22
NL7904504A (en) 1980-01-08
BE877182A (en) 1979-10-15
NL179552B (en) 1986-05-01
DE2926894C2 (en) 1987-02-19
FR2430260A1 (en) 1980-02-01
IT1119768B (en) 1986-03-10
CA1131197A (en) 1982-09-07
NL179552C (en) 1986-10-01

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