Determining impact of difference in price of liquid manure and degestate on production costs of biomethane and electricity

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dc.contributor.authorGolub, Gennadii
dc.contributor.authorLutak, Vitaliy
dc.contributor.authorKepko, Oleg
dc.contributor.authorMarus, Oleh
dc.contributor.authorYaremenko, Oksana
dc.date.accessioned2021-09-29T10:42:18Z
dc.date.available2021-09-29T10:42:18Z
dc.date.issued2021
dc.description.abstractAssessment of production costs to get biomethane and electric power on its basis in agriculture is impossible without assessing the impact on this indicator of the price of digestate. In Ukraine, where chernozem soils are the basis of agricultural production, the issue of restoring their fertility is an urgent problem. The production of biomethane should take into account the costs of manure before fermentation and the sales revenue of digestate after fermentation using it as organic fertilizers. The article suggests a methodology for economic assessing of production costs to get biomethane and electric power on its basis provided that the costs for the production of biomethane include production costs with taking into account the difference in prices of the biomass of liquid manure before fermentation in the digester and digestate after fermentation in the digester. The technique is based on the calculation of such indicators as a requirement in biomass to receive one m3 of biomethane and to get one kW hour of electricity. These values for liquid manure in accordance are 93.3 kg·m-3 and 23.9 kg·kWh-1. The zero production costs of biomethane and biomethane-based electricity production will be when the price of digestate will be more than the price of liquid manure before fermentation in the range from 1.1 to 2.0 EUR·t-1. The zero-profit of biomethane production will be when the price of digestate will be less than the price of liquid manure before fermentation in the range from 1.3 to 2.1 EUR·t-1. The zero-profit of electricity production will be when the price of digestate will be less than the price of liquid manure before fermentation in the range from 4.1 to 6.6 EUR·t-1. The suggested methodology may be useful for the assessment of production costs when carrying out measures for the utilization of digestate and in the training process of biotechnologists.uk_UA
dc.identifier.citationGolub G, Lutak V., Kepko O. et al. Determining impact of difference in price of liquid manure and degestate on production costs of biomethane and electricity. Engineering for Rural Development: 20th International Scientific Conference, Jelgava, Latvia, 26-28 May 2021. P. 314–319.uk_UA
dc.identifier.issn1691-5976
dc.identifier.urihttp://lib.udau.edu.ua/handle/123456789/7804
dc.language.isoenuk_UA
dc.publisherLatvia University of Life Sciences and Technologiesuk_UA
dc.subjectliquid manureuk_UA
dc.subjectdigestateuk_UA
dc.subjectbiomethaneuk_UA
dc.subjectbiogas plantuk_UA
dc.subjectdigesteruk_UA
dc.titleDetermining impact of difference in price of liquid manure and degestate on production costs of biomethane and electricityuk_UA
dc.title.alternativeВизначення впливу різниці в ціні рідкого гною та дегестату на виробничі витрати біометану та електроенергії, Определение влияния разницы в цене жидкого навоза и дегестата на затраты на производство биометана и электроэнергии.uk_UA
dc.typeСтаттяuk_UA
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