Catalyst for catalytic phenylmethanol gas phase selective oxidation of preparing benzaldehyde, its prepn. method and application thereof

A technology for selective oxidation and catalysts, which can be used in catalyst activation/preparation, oxidation preparation of carbonyl compounds, chemical instruments and methods, etc., and can solve the problem of high cost

Inactive Publication Date: 2006-06-28
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Tsuruya S. research group in J.Mol.Catal.A: Chem.2004, 211, 219-226 Effect of alkaline metal added to supported La catalyst on the catalytic activity in the gas-phase catalytic oxidation of benzyl alcohol; Phys.Chem. Chem.Phys.1999, 1, 373-381 Influence and role of added alkaline metals on the gas-phase oxidation of benzyl alcohol catalyzed by Cu ion-exchanged NaX zeolites and J.Chem.Soc., Faraday Trans.1998, 94, 473 -479 Effect of alkali metals added to Cu ion-exchanged Y-type zeolite catalysts in the g

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specific Embodiment approach 1

[0009] Specific embodiment one: the molecular formula of the catalyst used to catalyze the gas-phase selective oxidation of benzyl alcohol to prepare benzaldehyde in this embodiment is: Fe 1-x (II)Fe x (III)(PO 4 ) (2+x) / 3 , where 0

specific Embodiment approach 2

[0010] Specific embodiment two: the molecular formula of the catalyst that is used to catalyze the gas-phase selective oxidation of benzyl alcohol to prepare benzaldehyde in the present embodiment is: Fe(II)(PO 4 ) 2 / 3 .

specific Embodiment approach 3

[0011] Specific embodiment three: the molecular formula of the catalyst that is used to catalyze the gas-phase selective oxidation of benzyl alcohol to prepare benzaldehyde in the present embodiment is: Fe(III)(PO 4 ).

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Abstract

A catalyst for preparing benzaldehyde by gas-phase selective oxidizing of phenylmethanol has a formula Fe1-x(ó�)Fex(ó¾)(PO4)(2+x/3), where x=0-1, andó

Description

technical field [0001] The invention relates to a catalyst for preparing benzaldehyde by catalyzing the gas-phase selective oxidation of benzyl alcohol, a preparation method and application of the catalyst. Background technique [0002] The selective oxidation of benzyl alcohol is a representative reaction in the study of alcohol oxidation. Currently, with H 2 o 2 , O 2 Or air as a clean oxidant, the selective oxidation of benzyl alcohol is mainly homogeneous and heterogeneous oxidation of the liquid phase, and water / organic two-phase catalysis, the catalyst used in the reaction is mainly concentrated on Ru, Pd and compounds, in addition Co, Metals such as Os and Pt have also been reported. There are few research reports on gas-solid heterogeneous oxidation. Sumathi R. et al. in Appl.Cataly.A: Gen.1998,172,15-22 Selective oxidation and dehydrogenation of benzyl alcohol on ABB'O3 (A=Ba, B=Pb, Ce, Ti and B'=Bi, Cu, Sb)-type perovskite oxides-temperature programmed reduct...

Claims

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Application Information

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IPC IPC(8): B01J27/18B01J37/02B01J37/08C07C45/29C07C47/54
Inventor 朱宇君牛晓宇袁福龙付宏刚
Owner HEILONGJIANG UNIV
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