Today, in the energy sector, a promising direction for the use of renewable energy sources. A variety of enterprises often have production waste that can be used as renewable secondary energy resources. The concept of lean manufacturing goes hand in hand with increased environmental sustainability. Reducing production waste to a minimum by recycling it increases the energy-saving potential of production, on the one hand, and the indicator of environmental safety, on the other. Currently, the problem of utilization and further use of animal manure is relevant. One of the options for efficient processing of manure and obtaining valuable products from it is the production of biogas. Biogas technologies make it possible to most rationally convert the energy of chemical bonds of organic waste into the energy of gaseous fuel. Therefore, the search for new technologies for producing biogas is relevant in our time. Attention is paid to the processes of co-fermentation of animal waste with vegetable raw materials, the effects of increasing the yield of biogas are indicated.

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