Sustainability assessment of electrokinetic bioremediation compared with alternative remediation options for a petroleum release site

作者: R.T. Gill , S.F. Thornton , M.J. Harbottle , J.W.N. Smith

DOI: 10.1016/J.JENVMAN.2016.07.036

关键词: Stakeholder engagementSustainable managementEnvironmental remediationContaminated landEnvironmental engineeringTier 2 networkSustainabilityTier 1 networkWater supplyEngineering

摘要: Sustainable management practices can be applied to the remediation of contaminated land maximise economic, environmental and social benefits process. The Remediation Forum UK (SuRF-UK) have developed a framework support implementation sustainable within decision making. This study applies framework, including qualitative (Tier 1) semi-quantitative 2) sustainability assessments, complex site where principal contaminant source is unleaded gasoline, giving rise dissolved phase BTEX MTBE plume. pathway groundwater migration through chalk aquifer receptor water supply borehole. A hydraulic containment system (HCS) has been installed manage plume migration. options considered remediate include monitored natural attenuation (MNA), air sparging/soil vapour extraction (AS/SVE), pump treat (PT) electrokinetic-enhanced bioremediation (EK-BIO). indictor set from SuRF-UK priority indicator categories selected during stakeholder engagement workshop, was used frame assessments. At Tier 1 are ranked based on supporting information, whereas in 2 multi-criteria analysis applied. Furthermore, refined for scenarios photovoltaics (PVs) included amendments excluded EK-BIO option. Overall, identified AS/SVE as more at this than either PT or MNA. wider implications include: (1) an appraisal each assessment with aim highlight areas time cost savings similar assessments future; (2) observation that performed well against key compared other intensive treatments; (3) introducing methods improve treatment design (such PVs) did not significant effect instance.

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