Calculation methods of a combined resourcesaving system of manure removal on pig-rearing complexes
https://doi.org/10.32634/0869-8155-2022-363-10-136-142
Abstract
Relevance. The use of liquid fraction of pig manure as technical water for manure removal is a resourcesaving solution. Applying this solution in designing combined resource-saving manure removal systems requires calculation and accounting methods for the manure nutrients and suspended matter, which pass into the solid and liquid fractions during manure separation. The study aimed to develop a methodology for calculating the quantity and quality of manure fractions for the case when a part of the liquid fraction would be used in the manure removal system.
Methods. Calculations were based on the data from a pig rearing complex located in the Leningrad region, with 65,100 heads on the complex at any one time. The calculation results were compared with the actual values from the protocols of laboratory analyses.
Results. The developed methodology will allow the farm to make a more efficient accounting plan for nutrients passing into organic fertilisers. It will also save up to 47 450 tons of clean water for the manure removal system per year.
About the Authors
A. Yu. Briukhanov
Institute for Engineering and Environmental Problems in Agricultural Production — branch
of the Federal Scientific Agroengineering Center VIM
Russian Federation
Russian Federation
Corresponding Member of the Russian Academy of Sciences, DSc (Engineering), director,
3, Filtrovskoje Shosse, p.o. Tiarlevo, Saint Petersburg, 196625
E. V. Shalavina
Institute for Engineering and Environmental Problems in Agricultural Production — branch
of the Federal Scientific Agroengineering Center VIM
Russian Federation
Russian Federation
Senior Researcher, Cand. Sci. (Engineering),
3, Filtrovskoje Shosse, p.o. Tiarlevo, Saint Petersburg, 196625
E. V. Vasilev
Institute for Engineering and Environmental Problems in Agricultural Production — branch
of the Federal Scientific Agroengineering Center VIM
Russian Federation
Russian Federation
Leading Researcher, Cand. Sci. (Engineering),
3, Filtrovskoje Shosse, p.o. Tiarlevo, Saint Petersburg, 196625
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Review
For citations:
Briukhanov A.Yu., Shalavina E.V., Vasilev E.V. Calculation methods of a combined resourcesaving system of manure removal on pig-rearing complexes. Agrarian science. 2022;(10):136-142. (In Russ.) https://doi.org/10.32634/0869-8155-2022-363-10-136-142
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