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TREATMENT OF COD WITH REMOVAL OF DICHLOROMETHANE AND CARBON TETRACHLORIDE IN THE WASTEWATER WITH UASB

C. Ozdemir, N. Sen, S. Dursun, H. Tezcan

First published: 2008DOI pendingView metrics

Abstract

Low 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 in 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 (35oC) 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 98,5\% COD for CT, respectively.

Publication details

Title
TREATMENT OF COD WITH REMOVAL OF DICHLOROMETHANE AND CARBON TETRACHLORIDE IN THE WASTEWATER WITH UASB
Authors
C. Ozdemir, N. Sen, S. Dursun, H. Tezcan
Proceedings
8th International Scientific Conference - SGEM2008
Publisher
SGEM Scientific GeoConference
Year
2008
Pages
11-20
SWS Citekey
Ozdemir20081120
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Keywords
CODEcology and Environmental ProtectionUASBWastewatercarbon tetrachloridedichloromethane
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