膜科学与技术

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The effect of Isophthaloyl dichloride, 4-Piperazine-piperidine, 3-((2-aminoethyl)-dimethylammonio)propane-1-sulfonate on the separation performance of cis,cis-1,3,5-triaminocyclohexane-trimesoyl chloride nanofiltration membrane

Authors： LIU Zhongnan1，LIU Dandan1，KANG Guodong1，YU Haijun1，JIN Yan2，CAO Yiming1

Units： 1 Dalian National Library for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China. 2Vontron Technology Co., Ltd., Guiyang 550018, China

KeyWords： nanofiltration membranes；cis,cis-1,3,5-triaminocyclohexane；structure tailoring molecules

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2017,37(1):16-22

Abstract：

The effect of Isophthaloyl dichloride, 4-Piperazine-piperidine and 3-((2-aminoethyl)-dimethylammonio)propane-1-sulfonate on the separation performance of cis,cis-1,3,5-triaminocyclohexane-trimesoyl chloride nanofiltration membrane were studied respectively. When isophthaloyl dichloride was added, the flux of membrane was dropped, then the separation performance of cis,cis-1,3,5-triaminocyclohexane-isophthaloyl dichloride membrane was studied, which exhibited a flux of 0.27 L m-2 h-1 bar-1 and a salts rejection order of Na2SO4(92.3%)>MgCl2(76.6%)>NaCl(54.5%). When 4-Piperazine-piperidine was added, the flux increased. When 3-((2-aminoethyl)-dimethylammonio)propane-1-sulfonate was added, the flux increased firstly and then decreased with the increase of this molecule’s content. The salt rejections of all membranes were dropped slightly when small amount of each molecule was added, and dropped a lot when they were added too much.

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AuthorIntro：

第一作者简介：刘中楠（1985-），男，辽宁沈阳人，博士研究生，主要从事聚酰胺纳滤膜材料设计合成。Email：znliu@dicp.ac.cn

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