A review on comparison of bioreactors to increase methane content and produce biogas for anaerobic digestion of food waste

Abstract

It has been reviewed the single phase and two-stage bioreactors in the anaerobic digestion of food waste as well organic loading rates and the rate of methane produced. Anaerobic digestion can be used to degrade food waste and recover energy. Organic loading rate, temperature, time, pH, carbon to nitrogen ratio are important factors to be operated in the bioreactors and still are challenges in this process to increase biogas production. Methane is a biogas that can be efficiently converted in electricity.