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Start-up of UASB reactor for treating penicillin wastewater

Jingliang Yang

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Abstract

The upflow anaerobic sludge blanket(UASB) is used to treat penicillin wastewater.The start-up,the characteristics of granular sludge and the treatment effect of the up-flow anaerobic sludge blanket(UASB) reactor under mid-temperature(33～35 ℃) are studied.The results indicate that it spends 80 days to start up UASB by gradually increasing the influent penicillin wastewater concentration after sludge seeding.When the influent COD is 4 000 mg/L,the removal rate of COD is more than 84% the volumetric COD loading rate reaches 3.36 kg/(m3·d),and the gas production reaches 5.9 L/d.The granular sludge obtained in the reactor has particle size of about 2 mm.

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The upflow anaerobic sludge blanket(UASB) is used to treat penicillin wastewater.The start-up,the characteristics of granular sludge and the treatment effect of the up-flow anaerobic sludge blanket(UASB) reactor under mid-temperature(33～35 ℃) are studied.The results indicate that it spends 80 days to start up UASB by gradually increasing the influent penicillin wastewater concentration after sludge seeding.When the influent COD is 4 000 mg/L,the removal rate of COD is more than 84% the volumetric COD loading rate reaches 3.36 kg/(m3·d),and the gas production reaches 5.9 L/d.The granular sludge obtained in the reactor has particle size of about 2 mm.

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Available abstract

The upflow anaerobic sludge blanket(UASB) is used to treat penicillin wastewater.The start-up,the characteristics of granular sludge and the treatment effect of the up-flow anaerobic sludge blanket(UASB) reactor under mid-temperature(33～35 ℃) are studied.The results indicate that it spends 80 days to start up UASB by gradually increasing the influent penicillin wastewater concentration after sludge seeding.When the influent COD is 4 000 mg/L,the removal rate of COD is more than 84% the volumetric COD loading rate reaches 3.36 kg/(m3·d),and the gas production reaches 5.9 L/d.The granular sludge obtained in the reactor has particle size of about 2 mm.

Key concepts: Blanket, Wastewater, Anaerobic exercise, Waste management, Pulp and paper industry, Methanogenesis, Environmental science, Penicillin

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