ES2192983B1 - Un catalizador para la deshidrogenacion oxidativa de etano a eteno. - Google Patents

Un catalizador para la deshidrogenacion oxidativa de etano a eteno.

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Publication number
ES2192983B1
ES2192983B1 ES200200276A ES200200276A ES2192983B1 ES 2192983 B1 ES2192983 B1 ES 2192983B1 ES 200200276 A ES200200276 A ES 200200276A ES 200200276 A ES200200276 A ES 200200276A ES 2192983 B1 ES2192983 B1 ES 2192983B1
Authority
ES
Spain
Prior art keywords
catalyst
oxidative dehydrogenation
eteno
etano
ethene
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
ES200200276A
Other languages
English (en)
Other versions
ES2192983A1 (es
Inventor
Jose Manuel Lopez Nieto
Pablo Botella Asuncion
Maria Isabel Vazquez Navarro
Ana Dejoz Garcia
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.)
Consejo Superior de Investigaciones Cientificas CSIC
Universidad Politecnica de Valencia
Universitat de Valencia
Original Assignee
Consejo Superior de Investigaciones Cientificas CSIC
Universidad Politecnica de Valencia
Universitat de Valencia
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 Consejo Superior de Investigaciones Cientificas CSIC, Universidad Politecnica de Valencia, Universitat de Valencia filed Critical Consejo Superior de Investigaciones Cientificas CSIC
Priority to ES200200276A priority Critical patent/ES2192983B1/es
Priority to PCT/ES2003/000056 priority patent/WO2003064035A1/es
Priority to EP03704717A priority patent/EP1479438A1/en
Publication of ES2192983A1 publication Critical patent/ES2192983A1/es
Priority to US10/909,276 priority patent/US7319179B2/en
Application granted granted Critical
Publication of ES2192983B1 publication Critical patent/ES2192983B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
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    • 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
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    • 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
    • B01J23/20—Vanadium, niobium or tantalum
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    • 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
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Abstract

Un catalizador para la deshidrogenación oxidativa de etano a eteno.
Un catalizador para la deshidrogenación oxidativa de etano a eteno, que comprende al menos un óxido, preferentemente un óxido mixto calcinado, de Mo-Te-V-Nb-A, donde A es seleccionado entre Cu, Ta, Sn, Se, W, Ti, Fe, Co, Ni, Cr, Ga, Sb, Bi, Zr, una tierra rara, alcalino o alcalinotérreo, presentando el catalizador, en forma calcinada, un difractograma de rayos X con más de diez líneas de difracción intensas, típicamente las más intensas, correspondientes a ángulos 2q de difracción de 7,7+0,4; 8,9+0,4; 22,1+0,4; 26,6+0,4; 26,9+0,4; 27,1+0,4; 28,1+0,4; 31,2+0,
\break
4; 35,0+0,4 y 45,06+0,4.
En una realización preferida, el catalizador tiene la fórmula empírica:
MoTehViNbjAkOx
en la que h, i, j, son valores comprendidos entre 0,001 y 4,0; k está comprendido entre 0 y 2,0 y x depende del estado de oxidación o valencia de los elementos Mo, Te, V, Nb y A.
ES200200276A 2002-01-31 2002-01-31 Un catalizador para la deshidrogenacion oxidativa de etano a eteno. Expired - Fee Related ES2192983B1 (es)

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ES200200276A ES2192983B1 (es) 2002-01-31 2002-01-31 Un catalizador para la deshidrogenacion oxidativa de etano a eteno.
PCT/ES2003/000056 WO2003064035A1 (es) 2002-01-31 2003-01-31 Procedimiento para la deshidrogenacion oxidativa de etano
EP03704717A EP1479438A1 (en) 2002-01-31 2003-01-31 Method for the oxidative dehydrogenation of ethane
US10/909,276 US7319179B2 (en) 2002-01-31 2004-07-30 Method for the oxidative dehydrogenation of ethane

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