433547 Enhanced Pig Slurry Biomethanation using Pulsed Electric Field Pre-Treatment

Wednesday, November 11, 2015: 6:50 PM
Exhibit Hall 1 (Salt Palace Convention Center)
Seyedeh Masoumeh Safavi, Civil and Environmental Engineering, University of Iceland, Reykjavik, Iceland and Rúnar Unnţórsson, University of Iceland, Reykjavik, Iceland

The purpose of this study was to investigate if and then how much the methane production of pig slurry can be increased using a pre-treatment technique called Pulsed Electric Field. Laboratory scale batch digesters were used to compare the methane yield obtained from anaerobic digestion of pre-treated and untreated (control) pig slurry. The batches were pre-treated using the following three PEF treatment intensities: 54 kJ/kg, 108 kJ/kg and 180 kJ/kg. The results indicate that the pre-treatment increases the methane yield by 13%, 29% and 50% for the batches treated by 54, 108 and 180 kJ/kg respectively over the control batches.

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