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Waste from poultry farms represents the greatest danger to people and the environment among all types of bio waste. Approximate estimates show that in Russia up to 15 million tons of manure and a mixture of litter with sawdust or straw are formed annually. The original litter is a toxic substance; the main bacteria in the litter are E. coli and Salmonella. The process of torrefaction of a mixture of manure and sawdust was studied. The torrefaction proceeds in a reactor consisting of three sections with horizontal ...

The Russian poultry farms produce 10 million tons of litter and litter mass annually. These wastes are not disposed of properly, which leads to significant economic and environmental damage. Dry poultry waste can be used as a valuable fertilizer for seedbed preparation and spring fertilizing of winter crops. One of the major limitations for the direct application of organic waste in the soil is the presence of conditionally pathogenic and pathogenic microorganisms, preserving viability and virulence for a long tim...