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Smet = = = = <br /> Table 5 <br /> Extracted Groundwater Treatment Technologies <br /> Stockton Service Center <br /> �o�t�antina�tsRetative <br /> Technology Process Description) 'Treated Advanitages Disadvantages: fast <br /> Liquid Phase Carbon Contaminants are removed Most effective with Relatively simple technology Spent carbon is a Moderate <br /> from the liquid stream through non-polar organics no air emissions are hazardous waste <br /> adsorption onto the carbon generated <br /> Bioreactors Contaminant streams are Most effective with Effective with contaminants Effluent polishing and Moderate <br /> subjected to bacteria biodegradable that cannot be stripped or off-gas treatment may <br /> Contaminants are then contaminants,at high adsorbed due to high be required <br /> biodegraded into carbon dioxide concentration& concentration levels Requires <br /> and water minimal off-gas treatment. <br /> Ultravtolet/Oxidation Contaminants are oxidized Most effective with low No air emissions or hazardous Oxidation systems are High <br /> Processes concentration streams wastes are generated sensitive to fouling <br /> of alkenes and agents and suspended <br /> aromatics particulates. <br /> Air Stripping Contaminants are volatilized Most effective with Simple process. May require off-gas Low <br /> from the water stream into the volatile organic Bioremediation is a side treatment and control <br /> air compounds effect <br /> East Bay Municipal Utility District <br /> 93RZ2 <br /> 41)32951)0 asa Stockton Svc Cir -Site Assessment/Remedial Options I <br />