The organic part of municipal solid wastes' composting using soil microorganisms
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Дата
2022
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Анотація
In order to increase the efficiency of composting the organic
component of solid municipal waste as a highly effective biotechnological method, and
to compare the characteristics of the processes, it is suggested to use soil as an
inoculum, as a microbiological additive - an extract from the soil. The original compost
mixture is a multicomponent system, the decomposition and transformation of which
depends on the functioning of a microorganisms complex, in particular, fungal and
bacterial microflora. A similar microbial complex is observed in soils.
The work presents the results of the study of the soil microbiocenosis qualitative
and quantitative composition in order to use it as an inoculum in the process of
composting the organic part of solid municipal waste. The influence of microbiological
additive on the process of the organic waste composting for acceleration in mesophilic
and thermophilic temperature regimes with controlled parameters was studied.
The results of the conducted studies allow us to conclude that the organic waste
composting with the microbiological additive is appropriate, both in the case of
thermophilic and in the case of mesophilic regimes. The period of the compost
maturation with the use of a microbiological additive is 6 weeks. It was shown that the
microbiological complex accelerates the process of composting the organic component
of solid municipal waste by 3.3 times for the thermophilic regime and by 2.1 times for
the mesophilic conditions of composting process, which testifies to the efficiency of its
use in the operation of the solid municipal waste processing in order to improve the
general level of environmental safety.
Опис
Petrenko E. The organic part of municipal solid wastes' composting using soil microorganisms / E. Petrenko, A. Dautartė ; advisors O. Sagdeeva, L. Cesoniene // Black Sea Science 2022 : proc. of the Intern. Competition of Student Scientific Works / Odesa National University of Technology ; eds. B. Yegorov, M. Mardar [et al.]. – Odessa : ONUT, 2022. – P. 660–674 : fig. – Ref.: 28 tit.
Ключові слова
soil, microbiocenosis, composting, waste, microbiological additive, mesophilic and thermophilic composting regimes