EFFECT OF NONIONIC SURFACTANTS ON THE REMOVAL OF PAH FROM CONTAMINATED SOIL

被引：1

作者：

Khalladi, Razika ^{[1
]}

Moulai-Mostefa, Nadji ^{[1
]}

Bentahar, Fatiha ^{[2
]}

机构：

[1] Univ Medea, Lab Mat & Environm, Ain Dheb 26001, Medea, Algeria

[2] USTHB, Lab Transfer Phenomena, BP 32 El Alia, Algiers 16111, Algeria

来源：

ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL | 2018年 / 17卷 / 02期

关键词：

hydrocarbon; PAH; soil remediation; surfactant; POLYCYCLIC AROMATIC-HYDROCARBONS; ENHANCED REMEDIATION; SOLUBILIZATION; ENVIRONMENT; ADSORPTION; MIXTURES; SORPTION; SYSTEMS; WATER; OIL;

D O I：

10.30638/eemj.2018.034

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study, a soil washing process in the presence of a nonionic surfactant solution of Tween 80 or Triton X-100 was investigated. Sandy soil was contaminated in the laboratory with naphthalene (10 mg/kg and 5000 mg/kg) and anthracene (25 mg/kg and 200 mg/kg), then washed with surfactant solution. A preliminary water washing step showed the performance of water in the removal of the two polycyclic aromatic hydrocarbons (PAH), especially naphthalene. The effect of Tween 80 and Triton X-100 was significant beyond the critical micellar concentration (CMC), where a concentration of 7 or 10CMC showed a great efficiency in removing PAH. Also, the effect of these surfactants was shown remarkably affected by the pH and the ionic strength.

引用

页码：327 / 333

页数：7

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