Black Sea Science

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https://card-file.ontu.edu.ua/handle/123456789/3576

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Перегляд Black Sea Science за Автор "Aleksidze, M."

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  • Документ
    Modification of anaerobic digestion using rice husk
    (2022) Luferova, O.; Aleksidze, M.
    The current rate of development of grain-processing and meatprocessing industries makes effective and cost-effective waste disposal more actionable. The reprocessing of waste from the meat processing industry, which includes waste water, formed directly in the production of meat and from cattle manure, requires special attention. Biotechnological methods of processing are considered a promising form of recycling food production wastes. One such method is anaerobic digestion, which is a continuous multi-component process that transforms organic material into finished products, such as biogas containing methane, water vapor and carbon dioxide, through microbial activity. The aim of this study was to investigate the joint utilization of rice husks, manure and sewage from a meat processing plant by anaerobic digestion in a laboratory anaerobic batch bioreactor for 10 days. During the study, parameters of influence of the substrate composition on the efficiency of decomposition of organic matter, biogas and methane yield were identified. A series of experiments investigating anaerobic fermentation of substrates was carried out with different weight ratios of manure, waste water and rice husks at mesophilic temperature conditions (36 ± 1°C). After benchmarking fermentation mono-substrates and mixtures, the use of mixed substrates for methane was proved to increase the degree of biodegradability of organic substance waste.