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Hydrocarbon (VOC) contaminated soil and ground waters often are found at sites where such substances have been handled. Such areas are, metal industries, dry-cleaners, chemical industry etc.
Remediation of the contaminated land can be done by vacuum extraction off the soil and by pump and treat of the groundwater.
Purification of air from these processes can jointly be done in fixed bed adsorption systems. The contaminated groundwater is cleaned in a stripper where the VOC is stripped of with air. The air from the vacuum extraction is mixed with the stripper air and lead to the adsorption bed. The bed is regenerated periodically and the VOC is transformed to liquid to be destructed.

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