IJEP 41(1): 107-113 : Vol. 41 Issue. 1 (January 2021)
1. Indian Institute of Technology, Indian School of Mines, Dhanbad – 826 004, Jharkhand, India
2. Gautam Buddha University, Greater Noida – 201 308, Uttar Pradesh, India
Abstract
The wastewater discharged by slaughterhouse industries is categorized mainly by high COD, high BOD, high suspended and complex mixture of fats, proteins and fibres which needs systematic treatment before the disposal. In the present study, the performance of 3.26 L upflows anaerobic hybrid reactor treating the slaughterhouse wastewater with polyvinyl chloride (PVC) uses as filter media was investigated. For seeding, the reactor is inoculated with activated sludge from a upflow anaerobic sludge blanket (UASB) reactor treating the slaughterhouse wastewater. After seeding, the reactor with maintained, inlet flow of 135.72 mL/hr is loaded with different dilution ratios of the sample (1/10, 1/6, 1/4 and 1/1 or undiluted) with different COD loadings (9.281 kg.COD/m3 day, 10.149 kg.COD/m3 day, 9.263 kg.COD/m3 day and 11.210 kg.COD/m3 day) with HRT of 24 hr and achieved maximum COD removal efficiency upto 73.32% at COD loading of 11.210 kg.COD/m3 day. Alongwith the COD, other required parameters, such as phosphorus, BOD, TSS, VSS and volatile acid as acetic acid are also found out to check the efficiency of the reactor.
Keywords
Slaughterhouse waste, Anaerobic digestion, Anaerobic filter, UASB reactor, Chemical oxygen demand
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