RO72387B - Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteia - Google Patents

Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteia

Info

Publication number
RO72387B
RO72387B RO90399A RO9039977A RO72387B RO 72387 B RO72387 B RO 72387B RO 90399 A RO90399 A RO 90399A RO 9039977 A RO9039977 A RO 9039977A RO 72387 B RO72387 B RO 72387B
Authority
RO
Romania
Prior art keywords
obtaining
composition used
catalytic composition
same
saturated acids
Prior art date
Application number
RO90399A
Other languages
English (en)
Other versions
RO72387A (ro
Inventor
Mario Padovan
Giancarlo Battiston
Francesco Pignataro
Alberti Giordano De
Giuseppe Leofanti
Original Assignee
Montedison S.P.A.
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 Montedison S.P.A. filed Critical Montedison S.P.A.
Publication of RO72387B publication Critical patent/RO72387B/ro
Publication of RO72387A publication Critical patent/RO72387A/ro

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
    • B01J23/8877—Vanadium, tantalum, niobium or polonium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

Compozitie catalitica folosita la obtinerea acizilor nesaturati, constituita din oxizi de molibden, vanadiu, wolfram si cobalt, caracterizata prin aceea ca, în scopul maririi randamentelor, concomitent cu mentinerea unor grade de conversie ridicate, oxizii de molibden, vanadiu, wolfram si cobalt, sunt asociati în astfel de proportii încît sa corespunda formulei empirice: (vezi formula) în care simbolurile: a, b, c si d reprezinta numarul de atomi care intra în constitutia amestecului si sunt egale cu: a=1,5...3,0 de preferinta 2...2,4, b= 0...0.5 de preferinta 0...0,3; c= 3,5x6,5 de preferinta 3,9...4,3; d are valoarea necesara satisfacerii valentelor celorlalte elemente.
RO7790399A 1976-05-20 1977-05-19 Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteia RO72387A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23448/76A IT1063376B (it) 1976-05-20 1976-05-20 Procedimento per la preparazione di acidi carbossilici insaturi per ossidazione catalitica in fase gassosa delle corrispondenti aldeidi

Publications (2)

Publication Number Publication Date
RO72387B true RO72387B (ro) 1983-01-30
RO72387A RO72387A (ro) 1983-02-01

Family

ID=11207177

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7790399A RO72387A (ro) 1976-05-20 1977-05-19 Compozitie catalitica folosita la obtinerea acizilor nesaturati si procedeul de obtinere a acesteia

Country Status (16)

Country Link
US (1) US4146732A (ro)
JP (1) JPS52142012A (ro)
BE (1) BE854864A (ro)
BR (1) BR7703205A (ro)
CA (1) CA1089432A (ro)
CS (1) CS196363B2 (ro)
DE (1) DE2722352A1 (ro)
ES (1) ES459270A1 (ro)
FR (1) FR2351941A1 (ro)
GB (1) GB1525908A (ro)
IT (1) IT1063376B (ro)
MX (1) MX149540A (ro)
NL (1) NL7705380A (ro)
PL (1) PL106850B1 (ro)
RO (1) RO72387A (ro)
SU (1) SU715011A1 (ro)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100204729B1 (ko) * 1997-03-17 1999-06-15 성재갑 아크롤레인 부분산화용 촉매의 제조 방법
DE19815278A1 (de) * 1998-04-06 1999-10-07 Basf Ag Multimetalloxidmassen
US6384275B2 (en) 1998-09-23 2002-05-07 Lg Chem, Ltd. Method of producing acrylic acid using a catalyst for acrolein oxidation
US6620968B1 (en) 1999-11-23 2003-09-16 Rohm And Haas Company High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids
DE10046928A1 (de) * 2000-09-21 2002-04-11 Basf Ag Verfahren zur Herstellung von Multimetalloxidmassen
US20060205978A1 (en) * 2002-08-20 2006-09-14 Nippon Shokubai Co., Ltd. Production process for catalyst
JP4646684B2 (ja) * 2005-04-18 2011-03-09 株式会社日本触媒 気相酸化触媒およびそれを用いたアクリル酸の製造方法
MX2008015540A (es) 2007-12-26 2009-06-26 Rohm Ahd Haas Company Un proceso integrado para preparar un acido carboxilico a partir de un alcano.
EP2143704A1 (en) 2008-07-10 2010-01-13 Rohm and Haas Company An integrated process for preparing a carboxylic acid from an alkane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL248487A (ro) * 1959-02-17
US3736354A (en) * 1968-05-13 1973-05-29 Rikagaku Kenkyusho Process for the production of acrylic acid
IT1001977B (it) * 1973-11-28 1976-04-30 Sir Soc Italiana Resine Spa Procedimento per la preparazione di acrilato di metile o di miscele di acrilato di metile ed acido acri lico

Also Published As

Publication number Publication date
RO72387A (ro) 1983-02-01
GB1525908A (en) 1978-09-27
SU715011A3 (en) 1980-02-05
ES459270A1 (es) 1978-03-01
SU715011A1 (ru) 1980-02-05
FR2351941A1 (fr) 1977-12-16
PL198231A1 (pl) 1978-04-10
BR7703205A (pt) 1978-01-31
FR2351941B1 (ro) 1979-09-07
DE2722352A1 (de) 1977-12-01
CA1089432A (en) 1980-11-11
US4146732A (en) 1979-03-27
CS196363B2 (en) 1980-03-31
PL106850B1 (pl) 1980-01-31
MX149540A (es) 1983-11-23
IT1063376B (it) 1985-02-11
BE854864A (fr) 1977-11-21
JPS52142012A (en) 1977-11-26
NL7705380A (nl) 1977-11-22

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