Assessment of anaerobic biodegradability

Lagad, M R and Kale, V W and Sridevi, H (2012) Assessment of anaerobic biodegradability. In: National Conference on contemporary Civil Engineering Research and Practices, April 20-21, M.I.T, Manipal,.

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Present study was carried out to evaluate biodegradability of industrial effluent (high strength waste water from organic chemical industry) to reduce organic load (BOD/COD). We used anaerobic treatment by up-flow anaerobic sludge blanket (UASB) in three modes stepwise namely; one time feed reactor, daily batch type feed reactor and daily continuous feed reactor. A laboratory scale anaerobic system contains feed tank, UASB reactor bottle and gas collection bottle. A UASB bioreactor was made up of glass bottle with digester volume 8 liters, organic loading rate in daily batch type feed reactor was 2gms/day/lit and organic loading rate in daily continuous feed reactor was 5gms/day/lit. The results indicated that the COD removal efficiency of one time feed reactor was 53%, daily batch feed reactor was 66.19% and daily continuous feed reactor was 62.16%. Depending upon the result obtained it can be concluded that effluent under study can be treated by anaerobic biological treatment (followed by 2 stage ASP + nitrification & de-nitrification + RO). Biogas produced contains less amount of methane and higher amount of nitrogen gas therefore; biogas generated under present study couldn't be used as fuel source.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Anaerobic biodegradability, Industrial effluent, Up-flow anaerobic sludge blanket (UASB)
Subjects: Engineering > MIT Manipal > Civil Engineering
Depositing User: MIT Library
Date Deposited: 27 May 2016 15:40
Last Modified: 27 May 2016 15:40

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