[Techno-technological solution for economizing the method of producing biogas from cattle manure]
1987
Mrhar, M. (Kmetijski institut Slovenije, Ljubljana (Yugoslavia). Zavod za mehanizaciju kmetijstva)
The filtration of manure, removing from it the residue of voluminous cattle food, heating it to a temperature of 34' to 36' at the digester entrance, did not effect the intensity of decomposition. On the contrary, there was less gas than when the "cold" method is used. Heat loss during processing increased. But if solar energy is used, the preparation of "heated" manure is economically justified.
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