UTILIZATION OF ANIMAL HUSBANDRY WASTE WITH THE PRODUCTION OF BIOGAS
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Abstract
To create the material and technical base of agriculture, it is necessary to widely introduce new technologies for the use of agricultural waste, which account for a significant share of local renewable energy sources, complex mechanization and automation of production processes, as well as specialization and cooperation at all stages. A promising direction of providing agricultural enterprises with cheap energy sources is the processing of biological masses and the production of biogas, the use of agricultural waste, waste from crop production, animal husbandry and poultry farming. As a renewable resource, biogas obtained from agricultural waste is becoming increasingly important. Utilization of the above-mentioned organic and inorganic waste is a serious problem of environmental protection, and the use of biogas plants as plants for obtaining alternative energy resources is the most promising direction of their processing. The use of biogas plants as an alternative energy source is largely determined by their design properties and proven technological processes. This article discusses the use of agricultural waste for the production of biogas, the choice of the technological process of manure processing, the design and technological parameters of the biogas plant being developed and improved. Depending on the temperature of the process, anaerobic digestion is divided into psychrophilic (temperature up to 30 ° C), mesophilic (35 ... 40 °C) and thermophilic (more than 50 ° C).Since the natural decomposition of liquid manure, as well as other organic waste, releases methane, which is one of the greenhouse gases, its processing is relevant from an ecological point of view, since methane is produced as an energy carrier, and solid and liquid fermented mass is used as fertilizer.
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