INFLUENCE OF TEMPERATURE ON THE REMEDIATION OF PAH-CONTAMINATED SOIL USING VEGETABLE OIL

被引：1
|
作者：
Lau, E. V. [1 ]
Gan, S. [1 ]
Ng, H. K. [1 ]
机构：
[1] Univ Nottingham Malaysia Campus, Fac Engn, Semenyih 43500, Selangor Darul, Malaysia
来源：
CBEE 2009: PROCEEDINGS OF THE 2009 INTERNATIONAL CONFERENCE ON CHEMICAL, BIOLOGICAL AND ENVIRONMENTAL ENGINEERING | 2010年
关键词：
POLYCYCLIC AROMATIC-HYDROCARBONS; SUNFLOWER OIL; REMOVAL; DISSOLUTION; EXTRACTION; CARBON;
D O I：
10.1142/9789814295048_0044
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This paper aims to treat PAH-contaminated soil with vegetable oil, a more environmentally-friendly alternative to other organic solvents. The difference in PAH removal rate using palm kernel oil (PKO) and soybean oil (SO) is compared. An empirical model is employed to describe the kinetics of PAH dissolution and predict equilibrium concentrations of extracted PAHs in oil. A comparison of different temperatures (30, 50 and 70 degrees C) indicated that increasing temperature enhances the extraction efficiency of PAHs with optimum extraction efficiencies of >88% occurring at 50 degrees C and 70 degrees C for PKO and SO respectively. Thus, the potential of vegetable oil as a promising extraction agent for PAHs in soil is highlighted.
引用
收藏
页码：213 / 216
页数：4
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