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Methane Production from the Mixture of Paperboard Sludge and Sewage Sludge in an Anaerobic Treatment Process  

Choi, Suk Soon (Department of Biological and Environmental Engineering, Semyung University)
Lee, Hyun Min (Department of Biological and Environmental Engineering, Semyung University)
Jeong, Tae-Young (Division of Environmental Engineering, Yonsei University)
Yeom, Sung Ho (Department of Biochemical Engineering, Gangneung-Wonju National University)
Publication Information
Applied Chemistry for Engineering / v.23, no.2, 2012 , pp. 228-231 More about this Journal
Abstract
In this work, the mixture of sewage sludge incubated in an anaerobic bioreactor for 35 days and paperboard sludge was treated in a batch anaerobic digester equipped with a ultrasonicator, and methane production during the treatment was investigated. The Soluble Chemical Oxygen Demand (SCOD) increased with increasing the amplitude of ultrasonicator, which help solubilizing paperboard sludge more effectively. The optimum amplitude of ultrasonicator for the enhancing methane productivity was found to be $142.5\;{\mu}m$ and the methane production amount increased as the anaerobic digestion period became longer. In addition, the anaerobic digestion was performed with various biomass (6000, 9000 and 12000 mg/L) and methane production increased with higher cell mass. These results will be used as valuable data to enhance the methane production from anaerobic digestion of the high concentration of organic wastes containing the paperboard sludge and sewage sludge.
Keywords
methane production; paperboard sludge; sewage sludge; ultrasonicator; anaerobic treatment process;
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Times Cited By KSCI : 2  (Citation Analysis)
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