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| 1 | CONDUCTIVITY METHOD APPLIED TO THE STUDY OFINTERACTION BETWEEN ADSORBENT AND ADSORBATE Ⅰ. ADSORPTION OF LOW CONCENTRATION OF FREE ACID BY REGENERABLE CHITIN显示文摘The adsorption of low concentration of free acid by regenerable chitin is followed by electric conductance determination. The effect of acid concentration, content of functional amino groups, and ionic strength on adsorption was discussed. Experimental results indicate that the active centre of regenerable chitin is the free amino groups on its surface, and that the rate of adsorption of free acid was found to be affected by two factors: the interaction between the adsorbent and the adsorbate in solution and that between the adsorbate molecules or ions in solution. | Chen Bingren He Guangping Ling Moyu Wang Ruixiang Chen Wensen (Department of Chemistry, South China Normal University, Guangzhou, 510631) | 1997 | Chinese Journal of Reactive Polymers1997，6，1： | 7 |
| 2 | Efficient solvent-free synthesis of phytostanyl esters in the presence of acid-surfactant-combined catalyst显示文摘 | HE Wensen MA Yuan Pan Xiaoxia | 2012 | Journal of Agricultural and Food Chemistry2012，60，： | 1 |
| 3 | Lipase-catalyzed synthesis of phytostanyl esters in non-aqueous media显示文摘 | Wensen He Chengsheng Jia Yuan Ma Yebo Yang Xiaoming Zhang Biao Feng Lin Yue | 2010 | B, Enzymatic2010，，1： | 1 |
| 4 | Efficient synthesis of phytosteryl esters using the Lewis acidic ionic liquid 显示文摘 | YANG Yebo HE Wensen JIA Cengsheng | 2012 | J Mol Catal A Chem2012，357，： | 1 |
| 5 | Lipase-me- diated synthesis of water- soluble plant stanol derivatives in ten-butanol 显示文摘 | HE Wensen LI Jingjing PAN Xiaoxia | 2012 | Bioreso Technol2012，114，： | 1 |
| 6 | Role of plant stanol derivatives in the modulation of cholesterol metabolism and liver gene expression in mice 显示文摘 | HE Wensen WANG Meigui PAN Xiaoxia | 2013 | Food Chem2013，140，： | 1 |
| 7 | Detection of Serum Gastric Cancer-Associated MG7-Ag from Gastric Cancer Patients Using a Sensitive and Convenient ELISA Method显示文摘 | Bin Jin Xin Wang Yan Jin Wensen Xia Bei Chen Lin Liu Zheng Chen Liu Hong Wenqi Du Kun Yan Honghong Wang Donghong Yuan Xiaoli Hui Li He Faming Zhang Yunping Zhao Kaichun Wu Daiming Fan | 2009 | Cancer Investigation2009，，2： | 1 |
| 8 | Lipase-catalyzed synthesis of phytostanyl esters in non-aqueous media显示文摘 | He Wensen Feng Biao | | 0，，： | 1 |
| 9 | Tungsten incorporated mobil-type eleven zeolite membranes: Facile synthesis and tuneable wettability for highly efficient separation of oil/water mixtures显示文摘Tungsten (W) incorporated mobil-type eleven (MEL) zeolite membrane (referred to as W-MEL membrane) with high separation performance was firstly explored for the separation of oil/water mixtures under the influence of gravity.W-MEL membranes were grown on stainless steel (SS) meshes through in-situ hydrothermal growth method facilitated with (3-aminopropyl)triethoxysilane (APTES) modification of stainless steel meshes,which promote the heterogeneous nucleation and crystal growth of W-MEL zeolites onto the mesh surface.W-MEL membranes were grown on different mesh size supports to investigate the effect of mesh size on the separation performance of the membrane.The assynthesized W-MEL membrane supported on 500 mesh (25μm)(W-MEL-500) exhibit the hydrophilic nature with a water contact angle of 11.8°and delivers the best hexane/water mixture separation with a water flux and separation efficiency of 46247 L·m^(-2)·h^(-1)and 99.5%,respectively.The wettability of W-MEL membranes was manipulated from hydrophilic to hydrophobic nature by chemically modifying with the fluorine-free compounds (hexadecyltrimethoxysilane (HDTMS) and dodecyltrimethoxysilane(DDTMS)) to achieve efficient oil-permselective separation of heavy oils from water.Among the hydrophobically modified W-MEL membranes,W-MEL-500-HDTMS having a water contact angle of146.4°delivers the best separation performance for dichloromethane/water mixtures with a constant oil flux and separation efficiency of 61490 L·m^(-2)·h^(-1)and 99.2%,respectively along with the stability tested up to 20 cycles.Both W-MEL-500-HDTMS and W-MEL-500-DDTMS membranes also exhibit similar separation performances for the separation of heavy oil from sea water along with a 20-fold lower corrosion rate in comparison with the bare stainless-steel mesh,indicating their excellent stability in seawater.Compared to the reported zeolite membranes for oil/water separation,the as-synthesized and hydrophobically modified W-MEL membranes shows competitive separation performances in terms of flux and separation efficiency,demonstrating the good potentiality for oil/water separation. | Hammad Saulat Jianhua Yang Tao Yan Waseem Raza Wensen Song Gaohong He | 2023 | Chinese Journal of Chemical Engineering2023，60，8： | 0 |
| 10 | Preparation and properties of Ni-W-P-TiO_(2)nanocomposite coatings developed by a sol-enhanced electroplating method显示文摘Several Ni-W-P-TiO_(2) nanocomposite coatings were developed by the sol-enhanced electroplating method. The phase and elemental compositions of coatings were determined, and the surface and cross-section morphology were characterized. The mechanical and corrosion performance were systematically tested. The results revealed the addition of 5 ml·L^(-1) TiO_(2) sol caused a compact coating surface,while higher concentrations of TiO_(2) reduced the coating thickness and led to the inferior surface microstructure. The comparison in physiochemical properties of prepared coatings confirmed the superior performance of the Ni-W-P-TiO_(2) nanocomposite coating at 5 ml·L^(-1) TiO_(2) sol addition. Under this condition, the best mechanical properties were achieved when abrasive wear was the dominating wearresistance mechanism, and the best corrosion resistance was obtained due to its smooth and compact surface microstructure. | Zhen He Yu Zhou Yuxin Wang Pingyi Guo Wensen Jiang Caizhen Yao Xin Shu | 2022 | Chinese Journal of Chemical Engineering2022，35，4： | 0 |
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