Catalyst for partial oxidation of methylbenzenes, method for preparing the same, and method for producing aromatic aldehydes using the same

abcxA catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The catalyst comprises a compound re...

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Main Authors Lee, Won Ho, Yoon, Hyun Kyung, Lee, Dong Il, Chae, Jong Hyun, Son, Ji Hyang, Park, In Kyu, Lee, Won Jae
Format Patent
LanguageEnglish
Published 30.09.2008
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Summary:abcxA catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The catalyst comprises a compound represented by the following formula (1): WXYO   (1) wherein W represents a tungsten atom, X represents one or more alkali metals selected from the group consisting of Li, Na, K, Rb, and Cs, Y represents one or more elements selected from the group consisting of Fe, Co, Ni, Cu, Mn, Re, Cr, V, Nb, Ti, Zr, Zn, Cd, Y, La, Ce, B, Al, Sn, Mg, Ca, Sr, and Ba, O stands for an oxygen atom, and the ratio of a:b:c is 12:0.001˜1:0˜5.