Remediation Technologies Soil and Groundwater Services

  • Remediation Technologies - Soil Vapour Extraction (SVE)

    Soil vapour extraction is an established technology for the in-situ and ex-situ remediation of volatile organic compounds (VOC’s) in soils. The process removes soil vapour contaminated with VOC’s and generates a mass transfer of VOC’s from the soil pores to the vapour phase. A high percentage of petroleum hydrocarbon contaminant ...

    By Cognition Land and Water Ltd based in Weybridge, UNITED KINGDOM.

  • Remediation Technologies - Contaminated Land

    The term 'contaminated land' is defined in the Environmental Protection Act 1990. It refers to the presence of polluting substances on a site (usually in the soil) in certain concentrations above background levels, which may cause harm (directly or indirectly) to humans, animals, vegetation or structures.

    By Cognition Land and Water Ltd based in Weybridge, UNITED KINGDOM.

  • Remediation Technologies - Soil Washing

    Effective on a range of contaminants for granular or coarse grained material, soil washing works on the principle that contamination forms a surface coating on particles. Soils of different particle sizes are separated before treatment using a variety of processes such as high pressure washing, attrition scrubbing and fines flocculation. Granular ...

    By Cognition Land and Water Ltd based in Weybridge, UNITED KINGDOM.

  • Remediation Technologies - Soil Treatment

    Soil treatment can form a large part of a remediation project, some of which is addressed in soil stabilisation and bioremediation but another treatment can be careful segregation of the excavation in order to reduce the amount of hazardous material needing treatment. By screening the material where appropriate, the oversize elements can be ...

    By Cognition Land and Water Ltd based in Weybridge, UNITED KINGDOM.

  • Remediation Technologies - Bioremediation

    Bioremediation is the treatment of contaminated material involving the natural degradation of contaminants by bacteria. This process is particularly suitable for hydrocarbon contaminants such as petrol and diesel range organics. The rate of decomposition can be greatly increased by the addition of nutrients and by controlling moisture, ...

    By Cognition Land and Water Ltd based in Weybridge, UNITED KINGDOM.

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