Investigation on Performance of PDMS-Graphene/PES Hybrid Membrane for Pervaporative Separation of Phenol from Aqueous Streams

被引：9

作者：

Rahmani, Saqar ^{[1
]}

Mortaheb, Hamid Reza ^{[1
]}

Omidkhah, Mohammad Reza ^{[1
]}

Dizaji, Azam Khodadadi ^{[1
]}

机构：

[1] Chem & Chem Engn Res Ctr Iran, Petr Engn Dept, Tehran, Iran

来源：

POLYMER-PLASTICS TECHNOLOGY AND MATERIALS | 2019年 / 58卷 / 03期

关键词：

Composite membrane; graphene nanosheet; hybridizing; pervaporation; phenol; WASTE-WATER; COPOLYIMIDE MEMBRANES; REMOVAL; RECOVERY; ORGANICS; ADSORPTION; TOLUENE; OXIDE;

D O I：

10.1080/03602559.2018.1471712

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The pervaporative performances of pristine polydimethylsiloxane (PDMS) membrane and modified one by hybridizing with graphene nanosheets (PDMS-G) were evaluated for phenol removal from aqueous solutions. The incorporation of hydrophobic graphene nanosheets could enhance the process performance. The optimum performance was determined at 0.2 wt% crosslinker concentration and 0.2 wt% graphene content with a significant improvement in the separation factor up to 42.35. The enhanced separation factor can be attributed to optimized interfacial free volume in the structure of the membranes and formation of pi-pi interactions between graphene and phenol. The effects of operating parameters on separation performance were also evaluated. [GRAPHICS] .

引用

页码：305 / 315

页数：11

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