Separation of mercury(II) from petroleum produced water via hollow fiber supported liquid membrane and mass transfer modeling

被引：38

作者：

Chaturabul, Srestha ^{[1
]}

Srirachat, Wanchalerm ^{[1
]}

Wannachod, Thanaporn ^{[1
]}

Ramakul, Prakorn ^{[2
]}

Pancharoen, Ura ^{[1
]}

Kheawhom, Soorathep ^{[1
]}

机构：

[1] Chulalongkorn Univ, Fac Engn, Dept Chem Engn, Bangkok 10330, Thailand

[2] Silpakorn Univ, Fac Engn & Ind Technol, Dept Chem Engn, Nakhon Pathom 73000, Thailand

来源：

CHEMICAL ENGINEERING JOURNAL | 2015年 / 265卷

关键词：

Separation; Mercury(II); Petroleum produced water; Hollow fiber; Liquid membrane; CHLORIDE SOLUTIONS; WASTE-WATER; EXTRACTION; REMOVAL; HG(II); ADSORPTION; TRANSPORT; RECOVERY; PRECONCENTRATION; OPTIMIZATION;

D O I：

10.1016/j.cej.2014.12.034

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The separation of mercury(II) from petroleum-produced water from the Gulf of Thailand was carried out using a hollow fiber supported liquid membrane system (HFSLM). Optimum parameters for feed pretreatment were 0.2 M HCl, 4% (v/v) Aliquat 336 for extractant and 0.1 M thiourea for stripping solution. The best percentage obtained for extraction was 99.73% and for recovery 90.11%, respectively. The overall separation efficiency noted was 94.92% taking account of both extraction and recovery prospects. The model for this separation developed along a combined flux principle i.e. convection-diffusion-kinetic. The results showed excellent agreement with theoretical data at an average standard deviation of 1.5% and 1.8%, respectively. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：34 / 46

页数：13

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