Research of Catalyst Preparing 1,4-Naphthoquinone by Selective Air-catalytic Oxidation from Naphthalene

CUI Tiebing; ZHANG Chen; LUO Tingliang; LIU Guoji

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Research of Catalyst Preparing 1,4-Naphthoquinone by Selective Air-catalytic Oxidation from Naphthalene

CUI Tiebing 1 #,ZHANG Chen 2,LUO Tingliang 3,LIU Guoji 4 *

1.School of Materials and Chemical Engineering, Zhongyuan University of Technology

2.Henan Chemical Industry Research Institute Co., Ltd.

3.School of Chemical Engineering and Enerny, Zhengzhou University,450001

4.School of Chemical Engineering and energy, ZhengZhou University, 450001

*Correspondence author

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Funding: 教育部高等学校博士学科点专项科研基金（No.No. 20094101110003）

Opened online:16 August 2011

Accepted by: none

Citation: CUI Tiebing,ZHANG Chen,LUO Tingliang.Research of Catalyst Preparing 1,4-Naphthoquinone by Selective Air-catalytic Oxidation from Naphthalene[OL]. [16 August 2011] http://en.paper.edu.cn/en_releasepaper/content/4438233

In this papeTaking naphthalene as raw material and V2O5 as key active component of catalyst to prepare 1,4-naphthoquinone by selective air-catalytic oxidation. The active component of the catalysts, co-catalyst, preparation method, and the proper reacting temperature can be determined through experiments. With V2O5 as key active component，further experiment demonstrated that compound catalyst are very beneficial to 1,4-naphthoquinone's selectivity; Choosing stannous sulfate and other metal compound as co-catalyst can make the catalyst get a higher selectivity for 1,4- naphthoquinone; It is showed in the study catalyst made by dip-molding has a higher activity and a better selectivity than that by precipitation method; The most proper reaction temperature is 643K, and the conversion rate of naphthalene, selectivity and yield of naphthoquinone achieved 90.11%、100%、90.11% respectively.

Keywords:1,4-naphthoquinone; catalyst; air-catalytic oxidation

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