Desalination of Basal Water by Mesoporous Carbons Nanocomposite Membrane

被引：2

作者：

Choi, Jeongdong ^{[1
]}

Ahn, Youngho ^{[2
]}

El-Din, Mohamed Gamal ^{[3
]}

Kim, Eun-Sik ^{[4
]}

机构：

[1] Korea Natl Univ Transportat, Dept Environm Engn, Chungju, South Korea

[2] Yeungnam Univ, Dept Civil Engn, Kyongsan 712749, South Korea

[3] Univ Alberta, Dept Civil & Environm Engn, Edmonton, AB T6G 2W2, Canada

[4] Chonnam Natl Univ, Dept Environm Syst Engn, Yeosu 550749, South Korea

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2016年 / 16卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Nanocomposite Membrane; Ordered Mesoporous Carbon; Oil Sands; Basal Depressurization Water;

D O I：

10.1166/jnn.2016.11975

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The hydro-transportation process used to obtain bitumen from the Alberta oil sands produces large volume of basal depressurization water (BDW), which contains high salt concentrations. In this research, thin-film nanocomposite (TFN) membrane technology applied to treat BDW in lab-scale, and evaluated water properties before and after the treatment. The average rejection ratios of ionic species were 95.2% and 92.8% by TFN membrane (with ordered mesoporous carbons (OMCs)) and thin-film composite (TFC) (without OMCs) membrane, respectively. The turbidity and total dissolved solids (TDS) were completely rejected in all treatment conditions. Interestingly, the water flux of TFN membrane was dramatically increased compared to TFC membrane. The increase of water flux was believed to be caused by the increased membrane surface hydrophilicity and nano-pore effects by the OMCs.

引用

页码：2084 / 2087

页数：4

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