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  • Title: [Characteristics of start-up period in UASB reactor for treating CMC wastewater].
    Author: Pan LT, Wang J, Luo HF.
    Journal: Huan Jing Ke Xue; 2009 Nov; 30(11):3324-8. PubMed ID: 20063748.
    Abstract:
    The start-up, the characteristics of granular sludge and the treatment effect of an upflow anaerobic sludge blanket (UASB) reactor under mid-temperature were studied with high concentration carboxymethyl cellulose (CMC) wastewater as treating object. Experiment results showed that it spent 80 days to start up UASB by gradually increasing the influent CMC concentration, and the seed sludge was the mixture of the inoculum granular sludge and the digestion sludge. The removal rate of COD could reach above 80% when the value of influent COD concentration was 4000 mg/L and the organic loading was 6.86 kg/(m3 x d), respectively; granular sludge has been obtained in the reactor, and the specific methanogenic activity of the granular sludge was well.
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