ES463302A1 - Un procedimiento mejorado para la preparacion de anhidrido maleico - Google Patents

Un procedimiento mejorado para la preparacion de anhidrido maleico

Info

Publication number
ES463302A1
ES463302A1 ES463302A ES463302A ES463302A1 ES 463302 A1 ES463302 A1 ES 463302A1 ES 463302 A ES463302 A ES 463302A ES 463302 A ES463302 A ES 463302A ES 463302 A1 ES463302 A1 ES 463302A1
Authority
ES
Spain
Prior art keywords
catalyst
positive number
group
elements present
formula
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
ES463302A
Other languages
English (en)
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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
Priority claimed from US05/733,739 external-priority patent/US4120876A/en
Priority claimed from US05/733,740 external-priority patent/US4093635A/en
Priority claimed from US05/734,705 external-priority patent/US4089870A/en
Priority claimed from US05/734,704 external-priority patent/US4087446A/en
Application filed by Standard Oil Co filed Critical Standard Oil Co
Publication of ES463302A1 publication Critical patent/ES463302A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C07C51/215—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
    • 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

Landscapes

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

Abstract

Un procedimiento mejorado para la preparación de anhídrido maleico por la oxidación de n-butano, -n-butenos, 1,3-butadieno o sus mezclas con oxígeno molecular en fase vapor a una temperatura de reacción de aproximadamente 250ºC a 600ºC en presencia de un catalizador, comprendiendo dicha mejora, emplear como catalizador un catalizador descrito por la fórmula Mo12PaBibCucXdof, en la que X es un halógeno seleccionado del grupo que consiste en cloro, bromo o yodo; y en la que a, b y c son números desde 0,001 hasta 10; d es desde 0,001 hasta 5; f es un número positivo de oxígenos requeridos para satisfacer los estados de valencia de los otros elementos presentes; o emplear como catalizador un catalizador descrito en la fórmúla II XaMo12PbAscOx, en la que X es al menos un elemento seleccionado del grupo que consiste en Sn, metal de las tierras raras, Zr, Rh, Mn, Re, Ru, Cu, Pb, Zn, Ti, Cr, Nb, Al, Ga y metal alcalino-térreo; y en la que a es un número positivo menor que aproximadamente 20; b y cson números de 0,001 a 10; x es el número de oxígenos requeridos por los estados de valencia de los otros elementos presentes; o emplear como catalizador un catalizador descrito por la fórmula III, XaMo3Pb0x, en la que X es al menos un elemento seleccionado del grupo que consiste en As, Rb, Pd, Cd, Cs, Tl y In; y en la que a es un número positivo menor que aproximadamente 10; b es un número positivo menor que aproximadamente 10;x es el número de oxígenos requeridos para satisfacer los estados de valencia de los otros elementos presentes; o emplear como catalizador un catalizador descrito por la fórmula IV, XaMo12PbRbc0x, en la que X es al menos un elemento seleccionado del grupo que consiste en Sn, un elemento de las tierras raras, Ni, Zr, Ba, Fe, Rh, Mn, Re, Ru, Co y Cu; y en la que a es un número positivo menor que aproximadamente 20; b y c son números desde 0,001 hasta 10; x es el número de oxígenos requeridos por los estados de valencia de los otros elementos presentes.
ES463302A 1976-10-19 1977-10-18 Un procedimiento mejorado para la preparacion de anhidrido maleico Expired ES463302A1 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/733,739 US4120876A (en) 1976-10-19 1976-10-19 Preparation of maleic anhydride from four-carbon hydrocarbons
US05/733,740 US4093635A (en) 1976-10-19 1976-10-19 Preparation of maleic anhydride from four-carbon hydrocarbons
US05/734,705 US4089870A (en) 1976-10-21 1976-10-21 Preparation of maleic anhydride from four-carbon hydrocarbons
US05/734,704 US4087446A (en) 1976-10-21 1976-10-21 Preparation of maleic anhydride from four-carbon hydrocarbons

Publications (1)

Publication Number Publication Date
ES463302A1 true ES463302A1 (es) 1979-01-01

Family

ID=27505598

Family Applications (1)

Application Number Title Priority Date Filing Date
ES463302A Expired ES463302A1 (es) 1976-10-19 1977-10-18 Un procedimiento mejorado para la preparacion de anhidrido maleico

Country Status (13)

Country Link
JP (1) JPS5350117A (es)
BE (1) BE859858A (es)
BR (1) BR7706928A (es)
CA (1) CA1083165A (es)
DE (1) DE2746134A1 (es)
ES (1) ES463302A1 (es)
FR (1) FR2368482A1 (es)
GB (1) GB1570833A (es)
IN (1) IN147390B (es)
IT (1) IT1089052B (es)
NL (1) NL7711430A (es)
NO (1) NO773570L (es)
PT (1) PT67141B (es)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4077912A (en) * 1972-10-12 1978-03-07 Standard Oil Company Catalysts useful for exothermic reactions

Also Published As

Publication number Publication date
BR7706928A (pt) 1978-06-27
IN147390B (es) 1980-02-09
IT1089052B (it) 1985-06-10
PT67141A (en) 1977-11-01
GB1570833A (en) 1980-07-09
BE859858A (fr) 1978-02-15
DE2746134A1 (de) 1978-04-27
PT67141B (en) 1979-03-19
NL7711430A (nl) 1978-04-21
FR2368482A1 (fr) 1978-05-19
JPS5350117A (en) 1978-05-08
CA1083165A (en) 1980-08-05
NO773570L (no) 1978-04-20

Similar Documents

Publication Publication Date Title
KR860000233A (ko) 에탄올 에틸렌으로 옥시탈수소화시키는 방법
JPS552619A (en) Preparation of methacrylic acid and catalyst
KR920021498A (ko) 니트릴의 제조 방법
GB1523772A (en) Oxidation catalysts
ES8100241A1 (es) Procedimiento para la fabricacion de acido metacrilico
GB1491256A (en) Preparation of maleic anhydride from four carbon hydrocarbons
KR920000687A (ko) 아크롤레인 또는 메타크롤레인의 제조방법
ES8101533A1 (es) Procedimiento para la fabricacion de metacroleina y acido metacrilico
ES382178A1 (es) Un procedimiento de preparacion de un catalizador.
KR830003931A (ko) 개량된 Sb-함유 촉매의 제조방법
GB1489559A (en) Catalytic process for the preparation of acrylic acid or methacrylic acid
GB1353397A (en) Manufacture of maleic anhydride from c4-c5-paraffinic hydrocarbons
GB1412533A (en) Removing carbonyl compound impurities
GB1489547A (en) Process for producing terephthalic acid
ES428793A1 (es) Procedimiento de fabricacion de anhidrido maleico.
ES426907A1 (es) Mejoras introducidas en un procedimiento para la prepara- cion de acrilonitrilo o metacrilonitrilo.
MY121416A (en) Lower alkane oxidative dehydrogenation catalysts and a process for producing olefins
ES481009A1 (es) Procedimiento para la obtencion de metacroleina y acido metacrilico.
KR880009695A (ko) 안티몬 및 텔루륨-함유 금속 산화물 촉매의 제조방법
MY121454A (en) Catalyst for oxidizing methylbenzenes and method for producing aromatic aldehyde
ES463302A1 (es) Un procedimiento mejorado para la preparacion de anhidrido maleico
KR910007575A (ko) 메타크릴산 제조용 촉매의 제조방법
KR850004571A (ko) 불포화 알데히드를 산화시키는 방법
ES429309A1 (es) Procedimiento para preparar acidos carboxilicos insatura- dos.
US1636854A (en) Catalytic oxidation of aromatic hydrocarbons