Production of biogas as an energy source in colder area, using flat plate thermal collector

Year 2018, Volume: 1 Issue: 2, 29 - 35, 20.11.2018

Naqeeb Ullah Kakar , Jafar Khan Kasi , Ajab Khan Kasi , Samiullah Tareen

Abstract

Biogas is a good source of renewable energy.
This research work has been done for the design, fabrication, and investigation
of a digester with solar thermal flat plate collector to heat slurry inside the
digester in order to maintain the temperature in appropriate range (37±2). For
production of continuous biogas in winter, a minimum temperature is required for
the slurry 7kg COD/m³ organic waste. The Hydraulic Retention time
for this research experiment was 12 days. Flat plat thermal collector is used
in this research to heat water and circulate it inside the digester. The hot
water is circulated by copper coils during the winter season. By adopting this
method the temperature of the slurry enhanced to required minimum temperature
and the production of biogas was continued through the whole year in the colder
area. The data collected from the experiment showed that using of flat plat
thermal solar collector is the appropriate method for heating slurry to produce
biogas through the whole year in the colder area in winter season.

Keywords

Biogas, thermal collector, slurry, digester, renewable energy, cow dung, food waste, bio mass

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