soil venting Articles
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Case study – benzene contamination retail gas station, Colorado
Introduction The scope of work for this site included an expansion of an existing soil venting system to remediate impacted soil and injection of a carbon-based petroleum degrading product to remediate long-term groundwater impacts. By using a combination of remediation technologies, including LT Environmental’s (LTE) TerraCert™ program, the overall goal of a cost effective cleanup ...
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TVOCmonitors soil vapour extraction (SVE) process emissions
Product: TVOC Application: Soil Vapour Extraction (SVE) Customer: Geo Environmental Management Introduction Following an initial clean-up of gas oil spillage, TVOC was used to effectively monitor Soil Vapour Extractions (SVE) process emissions during the remediation of a residual vapour phase plume by Geo Environmental Management. Soil Vapour Extraction (SVE), also known as soil venting or ...
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Thermally Enhanced Soil Vapor Extraction
Introduction Thermally enhanced SVE is a full-scale technology that uses electrical resistance/electromagnetic/fiber optic/radio frequency heating or hot-air/steam injection to increase the volatilization rate of semi-volatiles and facilitate extraction. Thermally enhanced SVE is normally a short- to medium-term technology. Electrical Resistance Heating Electrical resistance heating uses an ...
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Mitigating methane emissions from passive landfill vents: a viable option for older closed landfills
This study investigated the use of biofilters to reduce methane emissions from landfill passive gas vents. Two biofilter designs were evaluated. The two filter designs achieved similar percent oxidation averages. The radial biofilter design, however, obtained a much higher methane oxidation rate. The higher surface area of flow in the radial biofilters decreased the methane influx leading to ...
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