Utilization of waste in the food industry with biogas
Keywords:
biogas utilization, comprehensive bio utilization, biogas, integrated waste processingAbstract
Background. Biogas utilization is an attractive segment of the bioenergy. However, biogas fermentation in livestock waste is characterized by relatively low values of output, especially compared with the processing of food waste which decomposition adversely affects the environment. Promising bases for such processing may be food enterprises of cooperative manufacturing on the basis of common industrial sites.
Material and methods. For the modeling of methane genesis a series of experiments was conducted. The study material is a series of samples of waste of different chemical composition, one of which – a model of multi-component substrate. The following research methods were used: laboratory (GOST 31371.3–2008) and methods of mathematical and statistical data processing.
Results. On the basis of chromatographic analysis of samples of biogas generated during the experiment image dependence of formation of methane on time of decomposition of waste samples were designed. Experimental data and its mathematical-statistical analysis shows that in the steady state of methane phase of anaerobic fermentation of complex waste utilization by company Ltd "Titan", the methane content in biogas varies in the range of 54–55 %.
Conclusion. Complex processing of food waste of cooperative enterprises is very relevant today. Bio fertilizers derived from food waste methane genesis are highly effective, and biogas is an alternative source of energy that can be used for various domestic and industrial needs.
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