Hydrogenated Vegetable Oil Industry Wastewater Treatment using UASB Reactor System with Recourse to Energy Recovery
2010
Shastry, Sunita | Nandy, Tapas | Wate, S. R. | Kaul, S. N.
The investigation was carried out on laboratory scale to assess the feasibility of upflow anaerobic sludge blanket reactor system as a pretreatment for hydrogenated vegetable oil industry wastewater with recourse to energy recovery. The reactor system operated at 35°C, resulted in COD removal efficiency in the range 98.9-80.1% at organic loading varying in the range 1.33-10 kgCOD/m³ day. The specific methane yield varied from 0.295-0.345 m³CH₄/kgCODr. Hydraulic retention time, substrate concentrations, pH, and temperature were also varied to study the influence of operating parameters on reactor performance. The methane content decreased with increase in substrate loading rate, and varied from 53-66.7% under varying operating conditions. Impulse loading studies in terms of hydraulic, organic, and pH though resulted in destabilization of the reactor; however, the reactor rapidly achieved stable performance after steady operation.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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