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Study on UASB Treatment of Fermentation Wastewater of Isoleucine Production

Pingyan Qi

Abstract

Abstract The anaerobic biological treatment of wastewater of fermentation from the process of isoleucine production is studied in this paper.Basted on the static experiment,a dynamic experiment is proceeded with a upflow anaerobic sludge bed (UASB)reactor.The experimental results show that the biological treatment of wastewater of fermentation is feasible and the COD removal efficiency is more than 80%.The Process conditions are that,the temperature is 35±1 degree Celsius,the hydraulic retention time (HRT)is 10h,the greatest organic load is 8kgCOD/m~(3)·d and the gas produce ratio is 6.3L/kgCOD.

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Key concepts: Wastewater, Fermentation, Anaerobic exercise, Pulp and paper industry, Hydraulic retention time, Sewage treatment, Chemistry, Waste management