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    Anaerobic treatment of Azo-dye under batch conditions
    (2007) Karatas M.; Dursun S.
    Anaerobic treatment system was used for determination of colour removal under batch conditions. Azo-dye (Reactive Black 5, RB 5) with glucose as a carbon source was used as a synthetic wastewater. The decolourization process follows first order kinetics with respect to RB 5 azo-dye concentration in batch conditions. Decolourization rate constant (k1) value for dye concentration of 150 mgL-1 was 0.1751 h-1 in the batch experimental study performed with RB 5. Maximum Reactive Black 5 removal efficiency was obtained after 24 hour (99%) under batch experimental condition.
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    Investigation of heavy metals in main wastewater system of Konya and determination of accumulation on soil and plants
    (2006) Karatas M.; Dursun S.; Ozdemir C.; Argun M.E.
    Heavy metals in wastewater are quite important because of being toxic effect for public health. Wastewaters that contain heavy metals are generally caused by industries discharged, either after primary treatment or even no-treatment farmers in Konya use wastewater for irrigation that discharged into canal. This causes soil pollution also decreases plant quality. Heavy metals can reach to humans and animals and causes toxic effects through food-chain. The aim of this study is determining heavy metal accumulation on soils and plants that were irrigated by Konya main sewage system waters. Water and soil samples have been taken and heavy metal concentration analysed for six months time period and three months for plant samples. As the result of this study, heavy metal concentration in soil was higher than canal water. Heavy metal concentrations in wheat dose not reach to toxic affect level. © 2006. International Scientific Conference SGEM.
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    Use of fenton's reagent for removal of pesticides from industrial wastewater
    (2007) Sahinkaya S.; Ozdemir C.; Karatas M.
    We report in this paper the preliminary results obtained during removal of pesticides from industrial wastewater by Fenton's reagent. Fenton process is attractive alternative to conventional oxidation processes in effluent treatment of recalcitrant compounds. The aim of this study is to evaluate the efficiency of fenton process for the reduction of COD in wastewaters from pesticide industry. Several parameters were also studied: dose of Fe+2 and H2O2. The process of pesticide removal from industrial wastewater using Fenton's reaction has been analysed by taking into consideration COD removal. The optimum ratio of [Fe2+] to [H2O2] was 1: 1,56 (mM/mM) at pH 3.0 and room temperature (20°C). 93 % COD removal was achieved when treated wastewater by Fenton's reagent.