Effect of additives on the performance and morphology of sulfonated copoly (phthalazinone biphenyl ether sulfone) composite nanofiltration membranes

被引：13
|
作者：
Guan, Shanshan [4 ]
Zhang, Shouhai [1 ,2 ,3 ,4 ]
Liu, Peng [4 ]
Zhang, Guozhen [4 ]
Jian, Xigao [1 ,2 ,3 ,4 ]
机构：
[1] State Key Lab Fine Chem, Dalian 116024, Peoples R China
[2] Liaoning High Performance Polymer Engn Res Ctr, Dalian 116024, Peoples R China
[3] Liaoning Key Lab Polymer Sci & Engn, Dalian 116024, Peoples R China
[4] Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2014年 / 295卷
基金：
中国国家自然科学基金;
关键词：
Sulfonated copoly (phthalazinone biphenyl ether sulfone); Composite membranes; Nanofiltration; Additives; Membrane performance; REVERSE-OSMOSIS; COATING CONDITIONS; CROSS-LINKING; NF MEMBRANES; WASTE-WATER; KETONE); SEPARATION; POLYMER; DYES;
D O I：
10.1016/j.apsusc.2014.01.016
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Sulfonated copoly (phthalazinone biphenyl ether sulfone) (SPPBES) composite nanofiltration membranes were fabricated by adding low molecular weight additives into SPPBES coating solutions during a dip coating process. Three selected additives: glycol, glycerol and hydroquinone were used in this work. The effect of additives on the membrane performance was studied and discussed in terms of rejection and permeation flux. Among all the composite membranes, the membrane prepared with glycol as an additive achieved the highest Na2SO4 rejection, and the membrane fabricated with glycerol as an additive exhibited the highest flux. The salts rejection of SPPBES composite membranes increased in the following order MgCl2 < NaCl <= MgSO4 < Na2SO4. The morphologies of the SPPBES composite membranes were characterized by SEM, it was found that the membrane prepared with hydroquinone showed a rough membrane surface. Composite membrane fabricated with glycol or glycerol as the additive showed very good chemical stability. (C) 2014 Elsevier B. V. All rights reserved.
引用
收藏
页码：130 / 136
页数：7
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