Dopamine crosslinked graphene oxide membrane for simultaneous removal of organic pollutants and trace heavy metals from aqueous solution

被引：673

作者：

Wang, Jing ^{[1
]}

Huang, Tiefan ^{[1
]}

Zhang, Lin ^{[1
]}

Yu, Qiming Jimmy ^{[2
]}

Hou, Li'an ^{[1
,3
]}

机构：

[1] Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn MOE, Hangzhou 310027, Zhejiang, Peoples R China

[2] Griffith Univ, Griffith Sch Engn, Nathan Campus, Brisbane, Qld 4111, Australia

[3] Xian High Tech Inst, Xian, Shaanxi, Peoples R China

来源：

ENVIRONMENTAL TECHNOLOGY | 2018年 / 39卷 / 23期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Graphene oxide; membrane; organic pollutants; heavy metals; adsorption; HOLLOW-FIBER MEMBRANES; WASTE-WATER; ADSORPTION; CARBON; IONS; NANOPARTICLES; EFFICIENT; COMPOSITE; DYES; PRECONCENTRATION;

D O I：

10.1080/09593330.2017.1371797

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A graphene oxide-polydopamine-(beta-cyclodextrin) (GPC) ultrafiltration membrane was fabricated by using the method of drop-coating combined with vacuum filtration. The prepared GPC membrane was characterized with FTIR and XPS spectrophotometry and evaluated for its performances for the rejection of organic molecules (methylene blue) and adsorption of trace heavy metals (Pb2+) from aqueous solutions. The membrane exhibited an excellent rejection coefficient of 99.2% for methylene blue and the permeation flux was 12 L m(-2) h(-1) at 0.1 bar. The membrane also exhibited fast adsorption kinetics for Pb2+ and the adsorption capacity was 101.6 mg g(-1) at a solution pH of 6. The performance of the membrane could almost be completely recovered after a simple clean and regeneration process. These results indicate that the GPC membrane has potential applications in treatment of complex industrial wastewater streams. [GRAPHICS] .

引用

页码：3055 / 3065

页数：11

共 49 条

[1] Preconcentration of trace amounts of formaldehyde from water, biological and food samples using an efficient nanosized solid phase, and its determination by a novel kinetic method [J].