Ozdemir, CelalettinSen, NejdetDursun, SukruTezcan, Hayrunnisa2020-03-262020-03-262008978-954-91818-1-4https://hdl.handle.net/20.500.12395/227618th International Scientific Conference on Modern Management of Mine Producing, Geology and Environmental Protection -- JUN 16-20, 2008 -- Sofia, BULGARIALow concentration of chlorinates maybe found in wastewater, contaminated soils and air due to different industrial sources. Low level of Volatile Organic Compounds (VOC)'s could be removed by adsorption, incineration and biofiltration methods. These methods have some disadvantages such as removal efficiency or high operation cost. Chlorine has been removed from the chlorinated aliphatic compounds under anaerobic conditions. The aim of this study was to investigate biological treatment of DCM and CT in high flow speed reactors. Resistance capacity of microorganisms was investigated ill a designed UASB auto control system by feeding with addition of co-substrate, by loading different ratio of organic matter and VOC's, hydraulic retention time, at stable condition of COD, Volatile Fatty Acids (VFA), pH, alkalinity, temperature (35 degrees C) etc. during the anaerobic treatment. In this study, removals of DCM and CT were approximately 60 - 70 % and 98 %, respectively. At different DCM and CT doses, the highest removal efficiencies were 77,4% COD for DCM and 99,5% COD for CT, respectively.eninfo:eu-repo/semantics/closedAccessWastewaterUASBCODdichloromethanecarbon tetrachlorideConference Object11+N/AWOS:000275797200002N/A