Biogas Production From Co Digestion of Automotive Wastewater And Synthetic Wastewater in Anaerobic Reactor

Authors : Uzana Ismail, Zaifah Che Wil, Syazwani Idrus

Volume/Issue : Volume 5 - 2020, Issue 5 - May

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DOI : 10.38124/IJISRT20MAY964

The purpose of this study is to investigate the biogas potential from automotive wastewater codigested with Synthetic wastewater treated in anaerobic reactor. This experiment was run by continuously mixed with mechanical Agitator stirring tank reactor and were established under mesophilic condition at temperature of 38°C. The source of inoculum used in this study were obtained from sewage treatment plant. The experiment was analyzed based on COD removal and biogas production in relation with parameters such as pH, organic loading rate, alkalinity and effect of Zinc and Copper which runs on automotive wastewater. From the result obtains, the reactor condition was unstable during mono digestion of automotive wastewater which aligned with indication of decreasing biogas production, low pH value below 6.0 and low COD removal with value of 63.4%. However, the reactors become stable during co digestion of automotive wastewater with Synthetic wastewater with 0.12 g/L/d OLR and with highest methane production 0.140 L of CH4 / day. The findings illustrate the nutrient available in Synthetic wastewater could enhance the synergistic effect in co digestion with automotive wastewater and therefore resulted with the highest COD removal rates.

Keywords : Anaerobic co-digestion, chemical oxygen demand, automotive wastewater, heavy metal.


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