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Featured researches published by Tengyou Wei.


Environmental Technology | 2012

UV-H2O2 degradation of methyl orange catalysed by H3PW12O40/activated clay.

Guangtao Wei; Linye Zhang; Tengyou Wei; Qiyu Luo; Zhangfa Tong

A catalyst consisting of phosphotungstic acid (H3PW12O40) combined with activated clay was prepared by the impregnation method, and an experiment was carried out to evaluate the catalytic activity of the H3PW12O40/activated clay for the degradation of methyl orange (MO) in the UV–H2O2 process. The degradation ratio of MO can be affected by H2O2 concentration, reaction time, catalyst dosage, pH and temperature. The reaction temperature should be controlled at less than 70 °C, and the catalyst has a wide applicable pH range in the UV–H2O2 process. Hydroxyl radicals were generated in the UV–H2O2 system under the action of H3PW12O40/activated clay, and MO was degraded by hydroxyl radicals. Compared with traditional catalysts used in UV–H2O2 systems, H3PW12O40/activated clay has certain advantages for its practical application.


Acta Physico-chimica Sinica | 2006

Prediction of PVT Properties of Fluids Using FMSA EOS Based on L-J Potential Model

Zhangfa Tong; Tengyou Wei; Yiping Tang

Abstract First-order mean spherical approximation (FMSA) equation of state (EOS) with two parameters for Lennard-Jones (L-J) fluid proposed by Tang has been studied in this article. This equation was used to predict the vapor-liquid phase coexisting diagrams, saturated vapor pressure profiles, and PVT properties of real fluids. The results of prediction were compared with literature data and those from three-parameter FMSA EOS. The two parameters of L-J potential model were determined with vapor-liquid phase coexistence data of the corresponding fluid at the reduced temperature T r


Desalination | 2011

Removal characteristics of Zn(II) from aqueous solution by alkaline Ca-bentonite

Hanbing Zhang; Zhangfa Tong; Tengyou Wei; Yankui Tang


Catalysis Communications | 2012

Photo-Fenton degradation of methyl orange using H3PW12O40 supported Fe-bentonite catalyst

Guangtao Wei; Chao-Yun Fan; Linye Zhang; Rui-Cui Ye; Tengyou Wei; Zhangfa Tong


Applied Clay Science | 2012

Sorption characteristics of Pb(II) on alkaline Ca-bentonite

Hanbing Zhang; Zhangfa Tong; Tengyou Wei; Yankui Tang


Fuel Processing Technology | 2016

Bentonite-enhanced biodiesel production by NaOH-catalyzed transesterification of soybean oil with methanol

Lian Wu; Tengyou Wei; Zhangfa Tong; Yun Zou; Zijun Lin; Jianhua Sun


Fuel | 2016

Bentonite-enhanced biodiesel production by NaOH-catalyzed transesterification: Process optimization and kinetics and thermodynamic analysis

Lian Wu; Tengyou Wei; Zijun Lin; Yun Zou; Zhangfa Tong; Jianhua Sun


Separation and Purification Technology | 2017

Pervaporation dehydration of binary and ternary mixtures of n-butyl acetate, n-butanol and water using PVA-CS blended membranes

Shiyu Zhang; Yun Zou; Tengyou Wei; Chunxia Mu; Xiangjun Liu; Zhangfa Tong


Archive | 2010

Loaded calcium hydroxide activity carclazyte and preparation method thereof

Tengyou Wei; Juan Zhao; Yuanfeng Pan; Zhangfa Tong; Guangtao Wei


Fuel | 2016

Process intensification of NaOH-catalyzed transesterification for biodiesel production by the use of bentonite and co-solvent (diethyl ether)

Lian Wu; Kelei Huang; Tengyou Wei; Zijun Lin; Yun Zou; Zhangfa Tong

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