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Biogas potential, utilization and countermeasures in agricultural provinces: A case study of biogas development in Henan Province, China

Biogas potential, utilization and countermeasures in agricultural provinces: A case study of biogas development in Henan Province, China

Renewable and Sustainable Energy Reviews 99: 191-200

With climate change and the over-exploitation of fossil fuels, the advantages of using bioenergy are becoming increasingly obvious and many countries and regions around the world are committed to building biogas plants to produce clean energy. This article examines Henan Province, which features agricultural production and biogas projects typical of China. The aim was to identify the problems associated with the use of current agricultural waste in biogas production and provide suggestions for future biogas developments via comparisons of the potential of agricultural wastes with biogas project construction. Straw and manure volumes were analyzed by using crop yields and livestock production to calculate the biogas potential and the status quo was reflected through biogas project data. Subsequently, biogas potential and projects were analyzed from quantitative and spatial perspectives and a benefit evaluation was conducted. The results indicate that Henan Province has abundant straw and manure resources with large biogas potential, and that making good use of these wastes would have a good emission reduction effect and economic advantages, but there are presently large differences between the actual production and biogas potential. This paper analyzes the possible causes of this discrepancy, including resource utilization and biogas project operations. Lastly, countermeasures were proposed, such as developing matching technologies, improving relevant policies, and improving ecological-economic benefits to enhance future biogas project development.

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Accession: 066379289

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DOI: 10.1016/j.rser.2018.10.005

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