Full Factorial Design Approach to Hg(II) Adsorption onto Hydrogels

被引：17

作者：

Bingol, Deniz ^{[1
]}

Saraydin, Dursun ^{[2
]}

Ozbay, Dilek Solpan ^{[3
]}

机构：

[1] Kocaeli Univ, Fac Sci & Art, Dept Chem, Kocaeli, Turkey

[2] Cumhuriyet Univ, Fac Sci, Dept Chem, Sivas, Turkey

[3] Hacettepe Univ, Dept Chem, Fac Sci, TR-06532 Ankara, Turkey

来源：

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2015年 / 40卷 / 01期

关键词：

Hydrogel; Mercury; Response surface method; Wastewater; REMOVAL; OPTIMIZATION; MERCURY(II); SORPTION; DYE;

D O I：

10.1007/s13369-014-1484-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A 2(4) factorial design was used to evaluate the quantitative adsorption of Hg(II) ions in an aqueous solution onto radiation crosslinked poly(acrylic acid/acrylamide) hydrogels. The influence on the binding ratio (r) of variables such as pH, temperature, initial concentration of solution, and material was analyzed statistically using a suggested regression equation. The results demonstrate that the initial concentration of Hg(II) is the most significant parameter. A maximum Hg(II) ion uptake of 15.50 mg/g (with standard deviation, 0.20) was achieved at a high initial Hg(II) concentration (100 mg/L), low pH (2.5), and low temperature (15 A degrees C) for both of radiation crosslinked poly(AAm-co-AAc) hydrogel samples in a significance level of 5%.

引用

页码：109 / 116

页数：8

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