Paraffin Oil Emulsions for the Absorption of Toluene Gas

被引：7
|
作者：
Qi, Min [1 ]
Wu, Xiankun [1 ]
Zhang, Feng [1 ]
Zhang, Juan [2 ]
Wang, Yueyang [2 ]
Zhang, Zhibing [1 ]
Chen, Qiang [1 ]
机构：
[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Pollut Control & Resource Reuse, Nanjing 210093, Jiangsu, Peoples R China
[2] China Pharmaceut Univ, Sch Pharm, Nanjing, Peoples R China
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2016年 / 39卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Absorption; Emulsion; Paraffin oil; Toluene; Volatile organic compounds; VOLATILE ORGANIC-COMPOUNDS; CHLORINATED VOCS; AIR; COEFFICIENTS;
D O I：
10.1002/ceat.201500243
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Water-in-oil-in-water (W/O/W) and water-in-oil (W/O) emulsions of paraffin oil were prepared with sorbitan monooleate (Span 80)/polyoxyethylene sorbitan monooleate (Tween 80) or polyethylene glycol monostearate (SG-6), respectively. The physical characteristics and the absorption of toluene gas in these emulsions were investigated to evaluate the influence of the emulsifier dosage and the oil/water ratio. Both investigated W/O/Wemulsions provided high stabilities and low viscosities. The absorption of toluene gas was excellent, with little foam occurring during the absorption. Although the W/O emulsions with 2-5% SG-6 were of high stability, their high viscosities strongly limited their application as volatile organic compound absorbents. Stable emulsions consisted of small and uniform droplets and some emulsions underwent mild demulsification after the absorption.
引用
收藏
页码：1438 / 1444
页数：7
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