Toluene removal from sandy soils via in situ technologies with an emphasis on factors influencing soil vapor extraction

Amin, M.M. and Hatamipour, M.S. and Momenbeik, F. and Nourmoradi, H. and Farhadkhani, M. and Mohammadi-Moghadam, F. (2014) Toluene removal from sandy soils via in situ technologies with an emphasis on factors influencing soil vapor extraction. The Scientific World Journal, 2014.

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Abstract

The integration of bioventing (BV) and soil vapor extraction (SVE) appears to be an effective combination method for soil decontamination. This paper serves two main purposes: it evaluates the effects of soil water content (SWC) and air flow rate on SVE and it investigates the transition regime between BV and SVE for toluene removal from sandy soils. 96 hours after air injection, more than 97 removal efficiency was achieved in all five experiments (carried out for SVE) including 5, 10, and 15 for SWC and 250 and 500 mL/min for air flow rate on SVE. The highest removal efficiency (>99.5) of toluene was obtained by the combination of BV and SVE (AIBV: Air Injection Bioventing) after 96 h of air injection at a constant flow rate of 250 mL/min. It was found that AIBV has the highest efficiency for toluene removal from sandy soils and can remediate the vadose zone effectively to meet the soil guideline values for protection of groundwater. © 2014 Mohammad Mehdi Amin et al.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: soil; soil pollutant; toluene, chemistry; ecosystem restoration; procedures; soil; soil pollutant, Environmental Restoration and Remediation; Soil; Soil Pollutants; Toluene
Subjects: WA Public Health > Public Health Education WA.18 > WA 30 Social, Economic, and Environmental factor in public health
WA Public Health > WA 30 Social, Economic, and Environmental factor in public health
Divisions: Faculty of Health
Depositing User: zahra bagheri .
Date Deposited: 01 Aug 2017 04:14
Last Modified: 01 Aug 2017 04:14
URI: http://eprints.skums.ac.ir/id/eprint/2159

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