Heavy metal adsorption on solution-blown biopolymer nanofiber membranes

被引：64

作者：

Kolbasov, A. ^{[1
]}

Sinha-Ray, S. ^{[1
,2
,3
]}

Yarin, A. L. ^{[1
]}

Pourdeyhimi, B. ^{[4
]}

机构：

[1] Univ Illinois, Dept Mech & Ind Engn, 842 W Taylor St, Chicago, IL 60607 USA

[2] US Gypsum, Corp Innovat Ctr, 700 US 45 N, Libertyville, IL 60048 USA

[3] Indian Inst Technol, Dept Mat Sci & Engn, Indore 452017, Madhya Pradesh, India

[4] North Carolina State Univ, Nonwovens Inst 3427, Box 8301, Raleigh, NC 27695 USA

来源：

JOURNAL OF MEMBRANE SCIENCE | 2017年 / 530卷

关键词：

LOW-COST ADSORBENTS; SOY PROTEIN; AQUEOUS-SOLUTION; CONTAMINATED WATER; ARSENIC REMOVAL; IONS; MATS; WASTEWATERS; ADHESIVE; BIOMASS;

D O I：

10.1016/j.memsci.2017.02.019

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Nanofiber membranes containing such biopolymers as lignin, oats, soy protein, sodium alginate and chitosan used in this work were formed by solution blowing. The heavy metal adsorption on these membranes from aqueous solutions was studied in equilibrium in the batch experiments, as well as under the throughflow conditions. The mechanical properties of nylon-6-based biopolymer-containing membranes important under the throughflow conditions were also evaluated using tensile tests. A novel model of metal adsorption in the throughflow experiments was also proposed here and verified by the successful comparison with the present experimental data. The results revealed attractive capabilities of these inexpensive nano-textured biopolymer adsorbents formed from waste materials using the process scalable to the industrial level. The results also elucidated the physico-chemical mechanisms of heavy metal adsorption on biopolymers.

引用

页码：250 / 263

页数：14

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