DE69102245D1 - Fliessbett-Katalysator für die Herstellung von Acrylnitril. - Google Patents

Fliessbett-Katalysator für die Herstellung von Acrylnitril.

Info

Publication number
DE69102245D1
DE69102245D1 DE69102245T DE69102245T DE69102245D1 DE 69102245 D1 DE69102245 D1 DE 69102245D1 DE 69102245 T DE69102245 T DE 69102245T DE 69102245 T DE69102245 T DE 69102245T DE 69102245 D1 DE69102245 D1 DE 69102245D1
Authority
DE
Germany
Prior art keywords
acrylonitrile
production
fluid bed
bed catalyst
catalyst
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 - Fee Related
Application number
DE69102245T
Other languages
English (en)
Other versions
DE69102245T2 (de
Inventor
Xin Chen
Lianhua Wu
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.)
China Petrochemical Corp
Original Assignee
China Petrochemical 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 China Petrochemical Corp filed Critical China Petrochemical Corp
Publication of DE69102245D1 publication Critical patent/DE69102245D1/de
Application granted granted Critical
Publication of DE69102245T2 publication Critical patent/DE69102245T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8878—Chromium
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8872—Alkali or alkaline earth metals
    • 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
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8874—Gallium, indium or thallium
    • 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
    • B01J23/88—Molybdenum
    • B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8876—Arsenic, antimony or bismuth
    • 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
    • B01J23/888—Tungsten
    • B01J23/8885—Tungsten containing also molybdenum
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B01J27/19—Molybdenum
    • B01J27/192—Molybdenum with bismuth
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
    • B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
    • C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69102245T 1990-11-05 1991-10-29 Fliessbett-Katalysator für die Herstellung von Acrylnitril. Expired - Fee Related DE69102245T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN90108811A CN1021638C (zh) 1990-11-05 1990-11-05 丙烯腈流化床催化剂

Publications (2)

Publication Number Publication Date
DE69102245D1 true DE69102245D1 (de) 1994-07-07
DE69102245T2 DE69102245T2 (de) 1994-10-06

Family

ID=4881152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102245T Expired - Fee Related DE69102245T2 (de) 1990-11-05 1991-10-29 Fliessbett-Katalysator für die Herstellung von Acrylnitril.

Country Status (4)

Country Link
US (1) US5223469A (de)
EP (1) EP0484792B1 (de)
CN (1) CN1021638C (de)
DE (1) DE69102245T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR27951A (tr) * 1992-06-23 1995-11-08 Standard Oil Co Ohio Akrilonitrile propilen amoksidasyonu icin gelistirilmis bir islem ve katalizör.
CN1039090C (zh) * 1993-05-31 1998-07-15 湖南省国药开发总公司 女贞子在制备治疗胃溃疡药物方面的用途
CN1095477C (zh) * 1996-06-14 2002-12-04 苏州大学 一种聚丙烯腈的制备方法
US5834394A (en) * 1996-08-06 1998-11-10 China-Petro-Chemical Corporation Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile
CN1063101C (zh) * 1996-08-06 2001-03-14 中国石油化工总公司 生产丙烯腈的流化床催化剂
CN1063679C (zh) * 1997-01-10 2001-03-28 中国石油化工总公司 生产丙烯腈的含卤素流化床催化剂
CN1086153C (zh) * 1997-03-25 2002-06-12 中国石油化工总公司 丙烯、异丁烯氨氧化催化剂
US5840648A (en) 1997-09-02 1998-11-24 The Standard Oil Company Catalyst for the manufacture of acrylonitrile and hydrogen cyanide
CN1108865C (zh) * 1997-09-03 2003-05-21 中国石油化工集团公司 生产丙烯腈的催化剂
CN1086152C (zh) * 1997-09-03 2002-06-12 中国石油化工总公司 烯烃氨氧化生产丙烯腈催化剂
RO119228B1 (ro) * 1998-04-23 2004-06-30 Mitsubishiárayon,Áco.Áltd. Catalizator şi procedeu pentru obţinerea nitrililor nesaturaţi
JP2001029788A (ja) * 1999-07-21 2001-02-06 Mitsubishi Rayon Co Ltd モリブデン−ビスマス−鉄含有金属酸化物流動層触媒の製法
CN1094073C (zh) * 1999-08-19 2002-11-13 中国石油化工集团公司 生产丙烯腈的流化床催化剂
JP4095302B2 (ja) * 1999-08-19 2008-06-04 中国石油化工集団公司 アクリロニトリルへのプロピレンのアンモ酸化のための流動床触媒
WO2001028984A1 (fr) * 1999-10-18 2001-04-26 Mitsubishi Rayon Co., Ltd. Procede de production d'acrylonitrile, catalyseur utilise et procede de preparation de celui-ci
CN1107541C (zh) * 1999-11-03 2003-05-07 中国石油化工集团公司 生产丙烯腈的流化床催化剂
CN1099316C (zh) * 1999-11-03 2003-01-22 中国石油化工集团公司 丙烯腈流化床催化剂
JP2008520419A (ja) * 2004-11-22 2008-06-19 ディーエスエム アイピー アセッツ ビー．ブイ． フマロニトリルおよび／またはマレオニトリル製造用触媒
US8420566B2 (en) * 2010-03-23 2013-04-16 Ineos Usa Llc High efficiency ammoxidation process and mixed metal oxide catalysts
US8455388B2 (en) 2010-03-23 2013-06-04 Ineos Usa Llc Attrition resistant mixed metal oxide ammoxidation catalysts
US8153546B2 (en) 2010-03-23 2012-04-10 Ineos Usa Llc Mixed metal oxide ammoxidation catalysts
US8258073B2 (en) * 2010-03-23 2012-09-04 Ineos Usa Llc Process for preparing improved mixed metal oxide ammoxidation catalysts
CN102892496B (zh) 2010-03-23 2015-04-29 伊内奥斯美国公司 高效氨氧化方法和混合金属氧化物催化剂
US9433929B2 (en) 2011-09-21 2016-09-06 Ineos Europe Ag Mixed metal oxide catalysts
US9108184B2 (en) * 2012-03-13 2015-08-18 Celanese International Corporation Catalyst for producing acrylic acids and acrylates
DE102013006251A1 (de) * 2013-04-11 2014-10-16 Clariant International Ltd. Verfahren zur Herstellung eines Katalysators zur partiellen Oxidation von Olefinen
EP3148691A1 (de) 2014-05-29 2017-04-05 Ineos Europe AG Verbesserte selektive ammoxidationskatalysatoren
MX2016015443A (es) 2014-05-29 2017-03-23 Ineos Europe Ag Catalizadores para amoxidacion selectiva mejorados.
US9844769B2 (en) 2014-12-17 2017-12-19 Ineos Europe Ag Mixed metal oxide ammoxidation catalysts
WO2016153760A1 (en) 2015-03-23 2016-09-29 Clariant Corporation A catalyst material for the oxidation and ammoxidation of propylene and isopropylene, processes for making and using same
US10626082B2 (en) * 2016-10-11 2020-04-21 Ineos Europe Ag Ammoxidation catalyst with selective co-product HCN production
CN106824172A (zh) * 2016-12-09 2017-06-13 湖北工业大学 处理废水中低浓度甲醛的催化剂组合物制备方法及应用
US10479759B2 (en) 2017-02-08 2019-11-19 Clariant Corporation Synthetic methods for the preparation of propylene ammoxidation catalysts
US10479760B2 (en) 2017-02-08 2019-11-19 Clariant Corporation Synthetic methods for the preparation of propylene ammoxidation catalysts
CN109772356B (zh) * 2019-03-07 2020-06-02 营口市向阳催化剂有限责任公司 一种丙烯腈催化剂及其制备方法和应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162234A (en) * 1974-07-22 1979-07-24 The Standard Oil Company Oxidation catalysts
JPS5556839A (en) * 1978-10-20 1980-04-26 Ube Ind Ltd Acrylonitrile preparing catalyst using fludized bed reactor
CN1009340B (zh) * 1986-03-24 1990-08-29 三菱油化株式会社 含钼-铋的复合氧化物催化剂的制法
JPS63122642A (ja) * 1986-11-11 1988-05-26 Mitsubishi Rayon Co Ltd メタクロレイン及びメタクリル酸の製造法
BR8800627A (pt) * 1987-02-17 1988-09-27 Nippon Catalytic Chem Ind Catalisador usado para producao por oxidacao catalitica em fase gasosa,de uma olefina ou alcool terciario c3-5,processo para preparar um catalisador,catalisador para oxidacao de uma olefina c3-5 e catalisador para oxidacao de isobutileno ou butenol terciario
JPH07116070B2 (ja) * 1987-08-26 1995-12-13 株式会社日本触媒 メチルタ−シャリ−ブチルエ−テルからメタクロレインおよびメタクリル酸の製法
JPH0763629B2 (ja) * 1987-12-25 1995-07-12 日東化学工業株式会社 流動層反応に適する鉄・アンチモン・リン含有触媒の製法
US5093299A (en) * 1990-01-09 1992-03-03 The Standard Oil Company Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile

Also Published As

Publication number Publication date
US5223469A (en) 1993-06-29
EP0484792B1 (de) 1994-06-01
CN1054914A (zh) 1991-10-02
CN1021638C (zh) 1993-07-21
EP0484792A1 (de) 1992-05-13
DE69102245T2 (de) 1994-10-06

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