Biogas digesters: from plastics and bricks to textile bioreactor– A review

Abstract

Biogas technology and anaerobic digestion is a well-established process for energy generation but there are still technical and economicbarriers to advancement of this technology especially in developing countries. Considering the relatively long retention time of the materials inside the bioreactors, the material of construction of the bioreactor is important for commercial applications and should be selected considering cost, lifespan, effectiveness, design and operation of the bioreactor. The design and operation of particularly householdand smaller bioreactors with their challenges are reviewed in this study. A particular attention is made to the new textile bioreactors that are relatively new in the market. The laboratory and pilot scale results shows that the innovative textile bioreactor is a promising technology for global energy generation advancement

Economic Analysis of Biogas Production via Biogas Digester Made from Composite Material

“…Other materials such as Teflon, acrylonitrile butadiene styrene (ABS) and fiber-reinforced plastic can be used for the fabrication/construction of a digester chamber. However, the choice of HDPE in the present study was based on its durability as well as quick biogas production within a 3 to 4-day retention time [13], This is attributed to the nature or type of the material, which easily allows enhancement of the diversity of microbial communities (degradation of microbes), thereby increasing their synergistic activity and playing a vital role during acidogenic fermentation (one of the stages of anaerobic condition). During this process, it increases the total volatile fatty acid yield responsible for biogas production [14].…”