Investigating Methods for Improving the Biogas Quality from Anaerobic Digestion Process
2021
Maryam Abbasi | Saba Keshtpour
As a result of high volume pollution produced by the fossil fuels, different researches have been done to find out the alternative energy sources. The renewable energy is one of the most important sources, due to its economic efficiency, easy operation and low pollution. Wastewater treatment plants with anaerobic digestion treat wastewater and produce industrial raw materials and biogases. The combustion engines can use biogas (methane) to generate energy. The effective environmental factors and innovations in improving the design of the different equipment in waste water treatment plants can be identified through assessing the quality of biogases produced by different sludge and wastes and how inflow carbohydrates and proteins affect the quality of the biogases from an anaerobic digestion system. Biogas quality improvement methods have been divided into three categories; upstream, mainstream and downstream strategies. Due to ease the operation, the high efficiency and economic justification, the mainstream strategies are more confident than others in the wastewater industry. Investigating the process of anaerobic digestion and various methods to increase the quality of biogas, this article aimed at examining the effective factors of anaerobic digestion and compared different methods to improve the quality of biogas.
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