Optimization of nickel removal using liquid-liquid extraction and response surface methodology

被引：25

作者：

Talebi, Amir ^{[1
]}

Teng, Tjoon Tow ^{[1
]}

Alkarkhi, Abbas F. M. ^{[1
]}

Norli, I. ^{[1
]}

Low, Ling Wei ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Ind Technol, George Town 11800, Malaysia

来源：

DESALINATION AND WATER TREATMENT | 2012年 / 47卷 / 1-3期

关键词：

Response surface methodology; Liquid-liquid extraction; Di-(2-ethylhexyl) phosphoric acid (D2EHPA); Face-centered composite design; INDUSTRIAL WASTE-WATER; AQUEOUS-SOLUTION; SOLVENT-EXTRACTION; HEAVY-METALS; PHOSPHORIC-ACID; SODIUM-SALTS; MEMBRANE; RECOVERY; D2EHPA; ADSORPTION;

D O I：

10.1080/19443994.2012.696432

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The nickel extraction efficiency by means of liquid-liquid extraction (LLE) method was studied using response surface methodology; six parameters were identified as influential factors on nickel removal efficiency as the response. However, on screening experiments, only two factors were selected: pH and di-(2-ethylhexyl) phosphoric acid (D2EHPA) concentration. Face-centered composite design (FCCD) was applied in order to determine the optimum conditions for nickel removal by LLE. The results of FCCD showed that a second-order model described the relationship between the factors and nickel removal properly. Results showed that the optimum conditions are pH 1.1 and D2EHPA concentration 0.2 M, where 95.57% of nickel removal was achieved.

引用

页码：334 / 340

页数：7

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