This paper introduces three typical biogas systems which regard anaerobic fermentation of human and animal “wastes” as a key technology, and which link sanitation and biogas production with agricultural use of digested effluents.
XIANGJUN, Y. ; WANG, H. (2003): Integrated systems on biogas production, non-polluted agricultural production and sanitation in rural China. In: Proceedings of the 2nd international symposium, F. 7th-11th April, Luebeck, Germany: , 601-606.