Biomethane Production by Dry and Continuous Anaerobic Digestion of Food Waste in a Pilot-Scale Plug-flow Digester Maintained at Thermophilic Conditions
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2020 by IJETT Journal|
|Year of Publication : 2020|
|Authors : Narayana Swamy G, Nageswara Rao T, Venkatesh. G. S
|DOI : 10.14445/22315381/IJETT-V68I12P202|
MLA Style: Narayana Swamy G, Nageswara Rao T, Venkatesh. G. S Biomethane Production by Dry and Continuous Anaerobic Digestion of Food Waste in a Pilot-Scale Plug-flow Digester Maintained at Thermophilic Conditions. International Journal of Engineering Trends and Technology 68.12(2020):10-15.
APA Style:Narayana Swamy G, Nageswara Rao T, Venkatesh. G. S. Biomethane Production by Dry and Continuous Anaerobic Digestion of Food Waste in a Pilot-Scale Plug-flow Digester Maintained at Thermophilic Conditions. International Journal of Engineering Trends and Technology, 68(12),10-15.
Dry and continuous anaerobic digestion of organic waste is a globally promising process of waste management. Researchers have carried out numerous researches on Anaerobic Digestion (AD), which are limited to laboratory scale. Very few attempts were made on a large scale and pilot scale. There is no much data on the long term operation of Pilot-scale plug-flow anaerobic digester under thermophilic conditions in terms of the operational parameter’s feasibility and stability. The objective of the study is to maximize anaerobic digestion to manage food waste effectively. In connection with a single-stage plug-flow anaerobic digester (PFD), it was designed and developed as a pilot-scale model and studied. To actuate the digestion and acclimatize the reactor, fresh food waste (FW) is co-digested with cow dung and previous digestate with an inoculum ratio of 2:1:1. The digester operated with different organic loading rates ranging from 2.4 to 12 with a fixed total solid concentration of 22.3% and Hydraulic Retention Time from 64 to 16 days. The Maximum biogas yield of 0.9144 m3 was observed at an organic loading rate of 7.5 kg VS/m3.day.
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Dry continuous anaerobic digestion, organic loading rate, Volatile Solid reduction, Plug flow Anaerobic Digester, Thermophilic Dry fermentation.1