Enhanced biogas production by anaerobic co-digestion from food waste and agriculture byproducts
OSMAN, Rana Salaheldeen
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Several studies have been carried out on the AD process of biogas production using different substrate. The co-digestion process was recommended to overcome the difficulties, there have been a number of published papers investigated the of AcoD system, the significant research efforts have been devoted to studying the co-digestion of different combinations of municipal, industrial, agricultural and farming waste materials. Co-digestion can enhance biogas production from 25% to 40% over the monodigestion of the same substrates, it is very promising technology to enhance the biogas products from AD of organic wastes since it can establish good synergisms in the digestion reactor, and it is economically feasible. However, there is a difficulty to enhance the AcoD system in one-stage digester since the metabolic properties, nutritional requirements, growth rates and optimum operational factors are significantly different. In this study, we try to use the co-digestion system with two different type of raw substrates which are: the agricultural waste and the food waste, conferring to the last studies that done. we didn’t reflect the manure or the dung of the animals. Due to know the consequence of replacing it with other ingredients. Finally, and affording to the result getting with relating with the literature; the research fit the aim reliant to the results we get, the total amount of methane was about: Methane reach 65 as literature say 50-75 in % additional the Carbon dioxide reach 35 literature say 25-45 in %.