Selective Removal of Malachite Green Dye from Aqueous Solutions by Supported Liquid Membrane Technology

被引：11
作者：
Ashraf, Mohammad Wagar [1 ]
Abulibdeh, Nidal [1 ]
Salam, Abdus [2 ]
机构：
[1] Prince Mohammad Bin Fahd Univ, Dept Math & Nat Sci, Al Khobar 31952, Saudi Arabia
[2] King Abdulaziz Univ, Dept Chem, Rabigh 21911, Saudi Arabia
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH | 2019年 / 16卷 / 18期
关键词：
liquid membrane; removal; dyes; wastewaters; VEGETABLE-OILS; TEXTILE-DYE; DECOLORIZATION; DEGRADATION; EXTRACTION; TRANSPORT; RECOVERY; WATER;
D O I：
10.3390/ijerph16183484
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A lab-scale study on the application of supported liquid membranes (SLM) has been conducted for recovery and selective removal of Malachite Green dye from wastewater. Naturally occurring non-toxic vegetable oils have been used as membrane liquids. Polyvinylidene fluoride (PVDF) films have been used as supports for the liquid membrane. Various parameters affecting the dye permeation such as initial dye concentration, pH, stripping acid concentration, oil viscosity and membrane stability have been investigated. The highest flux value (1.65 x 10(-5) mg/cm(2)/sec) was obtained with a sunflower oil supported membrane at pH 11 in the feed and 0.25 M HCl in the stripping solution. The membrane showed good stability under optimum conditions and maximum transport was achieved in 8 h of permeation time.
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页数：9
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