Photocatalytic conversion of naphthalene to α-naphthol using nanometer-sized TiO2 - Details

author：

Shi, H. (Shi, H..) ^[1] | Zhang, T. (Zhang, T..) ^[2] | Wang, H. (Wang, H..) ^[3] | Wang, X. (Wang, X..) ^[4] | He, M. (He, M..) ^[5]

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Abstract：

The　effects　of　various　parameters　(co-solvents,　electron　acceptors,　and　surface　modification)　on　the　direct　synthesis　of　α-naphthol　from　naphthalene　using　photocatalytic　processes　were　investigated.　The　·OH　radicals　generated　on　UV-illuminated　TiO2　photocatalysts　led　to　the　direct　hydroxylation　of　naphthalene　to　α-naphthol.　The　addition　of　Fe3+,　Fe2+,　Fe3+　+　H2O2,　and　Fe2+　+　H2O2　greatly　increases　the　conversion　of　naphthalene　and　the　yield　of　α-naphthol　in　TiO2　suspensions.　The　addition　of　Fe3+　+　H2O2　to　a　TiO2　suspension　increased　the　yield　to　22.2%.　Surface　modified-TiO2　had　a　significant　influence　on　the　hydroxylation　reaction.　La-Eu/TiO2,　La-Y/TiO2,　H3PW12O40/　TiO2,　H3PMo12O40/　TiO2,　Fe/TiO2,　Ag/TiO2,　Cu/TiO2,　and　N/TiO2　enhanced　the　conversion　and　yield　more　than　TiO2.　Fe/TiO2　has　the　highest　photocatalytic　efficiency　among　these　species.

Keyword：

α-naphthol; Modification; Naphthalene; Photocatalysis; Titanium dioxide

Community：

[ 1 ] [Shi, H.]School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
[ 2 ] [Zhang, T.]School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
[ 3 ] [Zhang, T.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China
[ 4 ] [Wang, H.]School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China
[ 5 ] [Wang, X.]School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
[ 6 ] [He, M.]School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Reprint 's Address：

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[Zhang, T.]School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Email：

tyzhang@tju.edu.cn

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Source ：

Chinese Journal of Catalysis

ISSN： 0253-9837

CN： 21-1601/O6

Year： 2011

Issue： 1

Volume： 32

Page： 46-50

1 . 1 7 1

JCR@2011

1 5 . 7 0 0

JCR@2023

ESI Discipline： CHEMISTRY;

JCR Journal Grade：2

CAS Journal Grade：4

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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