Optimization of nickel ions removal from aqueous solutions by chitosan-polyethylene oxide electrospun nanofibers

被引：0

作者：

Lakhdhar, I. ^{[1
]}

Mangin, P. ^{[1
]}

Chabot, B. ^{[1
]}

机构：

[1] Univ Quebec Trois Rivieres, Ctr Rech Mat Lignocellulos, Trois Rivieres, PQ, Canada

来源：

WATER RESOURCES MANAGEMENT VIII | 2015年 / 196卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

water sustainability; water recycling; chitosan; electrospun nanofibers; nickel adsorption; experimental design; HEAVY-METALS; ADSORPTION; WATER; ADSORBENTS; DESIGN;

D O I：

10.2495/WRM150331

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Chitosan-polyethylene oxide (Cs/PEO) electrospun nanofibers were prepared by electrospinning process in order to remove nickel ions from aqueous solutions by a chelation mechanism. Response surface methodology (RSM) was used to optimize adsorption efficiency of nickel ions on Cs/PEO nanofibers. The combined effects of adsorption operating parameters, namely, the adsorbent dose, initial nickel ions concentration, temperature, and NaCl concentration, on adsorption efficiency were investigated using a central composite face-centered (CCF) design. Results showed that an optimal adsorption capacity of 64.4% was obtained under the following conditions: 75 mg of adsorbent dose, initial nickel concentration of 100 ppm, a temperature of 75 degrees C, and a 1M NaCl concentration.

引用

页码：387 / 398

页数：12

共 21 条

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