Mathematical simulation of surfactant flushing process to remediate diesel contaminated sand column

被引：3

作者：

Asadollahfardi, Gholamreza ^{[1
]}

Darban, Ahmad Khodadadi ^{[2
]}

Noorifar, Nazila ^{[1
]}

Rezaee, Milad ^{[3
]}

机构：

[1] Kharazmi Univ, Dept Civil Engn, Environm Engn, Tehran, Iran

[2] Tarbiat Modares Univ, Dept Min Engn, Environm Engn, Tehran, Iran

[3] Kharazmi Univ, Dept Civil Engn, Geotech Engn, Tehran, Iran

来源：

ADVANCES IN ENVIRONMENTAL RESEARCH-AN INTERNATIONAL JOURNAL | 2016年 / 5卷 / 04期

关键词：

numerical model; UTCHEM simulator; diesel; SDS; sensitivity analysis;

D O I：

10.12989/aer.2016.5.4.213

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 presents a numerical model based on a UTCHEM simulator to simulate surfactant flushing process to remediate diesel contaminated sand column. For this purpose, we modeled remediation process under 10000 and 20000 ppm initial concentrations of diesel. Various percent-mass sodium dodecyl sulfate (SDS) considered in our model. The model results indicated that 0.3 percent-mass of SDS at 10000 ppm and 0.1 percent-mass of SDS at 20000 ppm initial diesel concentration had maximum removal perdition which is in agreement with the experiment results. For 10000 ppm diesel concentrations, the coefficient of determination (R-2) and index of agreement (IA) between the model result and the experimental data were 0.9952 and 0.9695, respectively, and for 20000 ppm diesel concentrations, R-2 and IA were 0.9977 and 0.9935, respectively. The sensitivity analysis of permeability illustrated that in all diesel concentrations and SDS percent-mass with increasing permeability the model resulted in more removal efficiency.

引用

页码：213 / 224

页数：12