IT636168A - - Google Patents

Info

Publication number
IT636168A
IT636168A IT636168DA IT636168A IT 636168 A IT636168 A IT 636168A IT 636168D A IT636168D A IT 636168DA IT 636168 A IT636168 A IT 636168A
Authority
IT
Italy
Prior art keywords
oxides
tin
antimony
oxygen
catalyst
Prior art date
Application number
Other languages
Italian (it)
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.)
Publication of IT636168A publication Critical patent/IT636168A/it

Links

Classifications

    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/18—Arsenic, antimony or bismuth
    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Acrylonitrile or methacrylonitrile are prepared by reacting propylene or isobutene at an elevated temperature in the vapour phase with oxygen and ammonia over an oxidation catalyst comprising (i) a mixture of the oxides of antimony and tin, and/or (ii) a compound of antimony, tin and oxygen (see Group III).ALSO:Catalysts suitable for the production of acrylonitrile and methacrylonitrile (see Group IV(b)) comprise (i) a mixture of the oxides of antimony and tin, and/or (ii) a compound of antimony, tin and oxygen, such as tin antimonate. The catalyst may be prepared from the oxides or from compounds, such as the hydroxides, which on heating in the presence of an oxygen-containing gas are converted to the oxides. Specified oxides are antimony trioxide, tetroxide and pentoxide and their mixtures; stannic oxide, stannous oxide, metastannic acid and their mixtures. Hydrated forms of the oxides may be used, such as those formed by the action of aqueous nitric acid on antimony or tin metals or their mixtures. The catalyst mixture may be pre-heated in the presence of an oxygen-containing gas such as air, for instance at a temperature between 550 and 1100 DEG C. Cationic salts of the metals, such as the chlorides may be hydrolysed with water or aqueous ammonia and the resulting precipitate heated. The catalyst may be supported, e.g. on silica.
IT636168D 1962-12-08 IT636168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46395/62A GB976008A (en) 1962-12-08 1962-12-08 Improvements in and relating to the production of unsaturated aliphatic nitriles

Publications (1)

Publication Number Publication Date
IT636168A true IT636168A (en)

Family

ID=10441080

Family Applications (2)

Application Number Title Priority Date Filing Date
IT636168D IT636168A (en) 1962-12-08
IT795163D IT795163A (en) 1962-12-08

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT795163D IT795163A (en) 1962-12-08

Country Status (7)

Country Link
BE (2) BE592434A (en)
CA (2) CA718026A (en)
DE (1) DE1203757B (en)
FR (2) FR1261568A (en)
GB (2) GB876446A (en)
IT (2) IT795163A (en)
NL (2) NL253202A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE632662A (en) * 1960-04-26
CA715118A (en) * 1961-01-23 1965-08-03 Eastman Kodak Company Catalytic synthesis of acrylonitrile from olefins, ammonia and oxygen
NL276444A (en) * 1961-03-29
CA733537A (en) * 1961-04-18 1966-05-03 Knapsack Aktiengesellschaft Process for preparing unsaturated nitriles
NL279584A (en) * 1961-06-20
IT682880A (en) * 1961-07-14 1900-01-01
IT701822A (en) * 1961-11-30
BE636567A (en) * 1962-09-01
GB997490A (en) * 1963-04-05 1965-07-07 Distillers Co Yeast Ltd Improvements in or relating to oxidation catalysts
NL135670C (en) * 1963-05-09
GB1007685A (en) * 1963-06-20 1965-10-22 Distillers Co Yeast Ltd Improvements in or relating to catalyst compositions
GB1026477A (en) * 1963-07-30 1966-04-20 Distillers Co Yeast Ltd Improvements in or relating to catalytic compositions useful in the production of unsaturated aliphatic nitriles
GB1488375A (en) * 1974-06-25 1977-10-12 Bp Chem Int Ltd Chemical composition
US4255287A (en) 1978-09-12 1981-03-10 Phillips Petroleum Company Cracking catalyst
DK160995C (en) * 1977-10-25 1991-11-04 Phillips Petroleum Co POLLUTION DISABLED CRACKING CATALYST, ITS APPLICATION AND MEDICINE FOR ITS PREPARATION
US4321129A (en) 1978-09-12 1982-03-23 Phillips Petroleum Company Cracking process employing catalyst having combination of antimony and tin

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481826A (en) * 1947-02-28 1949-09-13 Allied Chem & Dye Corp Process for making aliphatic nitriles
DE897560C (en) * 1950-12-30 1953-11-23 Distillers Company Process for the production of unsaturated nitriles
GB719635A (en) * 1951-11-08 1954-12-08 Distillers Co Yeast Ltd Manufacture of substantially pure unsaturated nitriles
CA627938A (en) * 1952-10-09 1961-09-26 J. Hadley David Preparation of unsaturated organic nitriles
FR1098400A (en) * 1953-04-13 1955-07-25 Bataafsche Petroleum Process for preparing unsaturated nitriles
GB774011A (en) * 1953-10-27 1957-05-01 Stig Knutsson Picker for looms
CA718025A (en) * 1959-02-24 1965-09-14 The Standard Oil Company Process for the manufacture of acrylonitrile

Also Published As

Publication number Publication date
BE592434A (en)
CA677475A (en) 1964-01-07
NL253202A (en)
CA718026A (en) 1965-09-14
BE640872A (en)
NL301435A (en)
GB876446A (en) 1961-08-30
IT795163A (en)
DE1203757B (en) 1965-10-28
FR84892E (en) 1965-04-30
GB976008A (en) 1964-11-25
FR1261568A (en) 1961-05-19

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