Modelling the Compost Parameters During Mechanized Aerobic Fermentation
The article is focused on the behaviour of the basic properties of dairy cow's solid manure over the maturation period. The manure was exposed to mechanized aerobic processing by mechanically turning-over. Performed analysis comprehended measurements of mass participation percentages of organic...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek
2022-01-01
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| Series: | Tehnički Vjesnik |
| Subjects: | |
| Online Access: | https://hrcak.srce.hr/file/412450 |
| _version_ | 1797206693102223360 |
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| author | Vjekoslav Tadić Kurt Tomantschger Dragan V. Petrović Rade L. Radojević Dušan Ž. Radivojević |
| author_facet | Vjekoslav Tadić Kurt Tomantschger Dragan V. Petrović Rade L. Radojević Dušan Ž. Radivojević |
| author_sort | Vjekoslav Tadić |
| collection | DOAJ |
| description | The article is focused on the behaviour of the basic properties of dairy cow's solid manure over the maturation period. The manure was exposed to mechanized aerobic processing by mechanically turning-over. Performed analysis comprehended measurements of mass participation percentages of organic components, mineral matters, H2O, N, P2O5 and K2O, as well as measurements of PH-values during the seven weeks of supervised test period of effective aerobic preparation of the composting material. Through maturation, large growth of averaged mass percentages of nitrogen, phosphorous-pentoxide and potassium-oxide, more than triple in comparison to the initial levels in a fresh solid, has been verified. Following a possible common approach in the scientific and technical practice, an analytical semi-empirical approach was used in describing the changes over the time of manure properties during composting, supported by prototype of the machine Kompomat 1. Combining the analytical theory of diffusion partial differential equations and application of numerical methods to non-linear fitting of the experimental output data, it was verified that all acquired manure parameters follow an identical general exponential law (R2all properties = 0,906 - 0,990; RMSEall properties = 0,010 - 2,544). Clear relationships between the values of basic parameters of solid manure under mechanized aerobic fermentation (y) and composting duration lap time (x) have been established. |
| first_indexed | 2024-04-24T09:11:04Z |
| format | Article |
| id | doaj.art-fabe7de076344d11a7577a4f6eb592ea |
| institution | Directory Open Access Journal |
| issn | 1330-3651 1848-6339 |
| language | English |
| last_indexed | 2024-04-24T09:11:04Z |
| publishDate | 2022-01-01 |
| publisher | Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek |
| record_format | Article |
| series | Tehnički Vjesnik |
| spelling | doaj.art-fabe7de076344d11a7577a4f6eb592ea2024-04-15T18:00:29ZengFaculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in OsijekTehnički Vjesnik1330-36511848-63392022-01-012961868187510.17559/TV-20211122093219Modelling the Compost Parameters During Mechanized Aerobic FermentationVjekoslav Tadić0Kurt Tomantschger1Dragan V. Petrović2Rade L. Radojević3Dušan Ž. Radivojević4University of J. J. Strossmayer in Osijek, Faculty of Agrobiotehnical Sciences Osijek, Vladimira Preloga 1, 31000 Osijek, CroatiaUniversity of technology Graz, Faculty of Mathematics, Physics and Geodesy, Steyrergasse 30, 8010 Graz, AustriaUniversity of Belgrade, Faculty of Agriculture, Nemanjina 6, 11 081 Belgrade - Zemun, SerbiaUniversity of Belgrade, Faculty of Agriculture, Nemanjina 6, 11 081 Belgrade - Zemun, SerbiaUniversity of Belgrade, Faculty of Agriculture, Nemanjina 6, 11 081 Belgrade - Zemun, SerbiaThe article is focused on the behaviour of the basic properties of dairy cow's solid manure over the maturation period. The manure was exposed to mechanized aerobic processing by mechanically turning-over. Performed analysis comprehended measurements of mass participation percentages of organic components, mineral matters, H2O, N, P2O5 and K2O, as well as measurements of PH-values during the seven weeks of supervised test period of effective aerobic preparation of the composting material. Through maturation, large growth of averaged mass percentages of nitrogen, phosphorous-pentoxide and potassium-oxide, more than triple in comparison to the initial levels in a fresh solid, has been verified. Following a possible common approach in the scientific and technical practice, an analytical semi-empirical approach was used in describing the changes over the time of manure properties during composting, supported by prototype of the machine Kompomat 1. Combining the analytical theory of diffusion partial differential equations and application of numerical methods to non-linear fitting of the experimental output data, it was verified that all acquired manure parameters follow an identical general exponential law (R2all properties = 0,906 - 0,990; RMSEall properties = 0,010 - 2,544). Clear relationships between the values of basic parameters of solid manure under mechanized aerobic fermentation (y) and composting duration lap time (x) have been established.https://hrcak.srce.hr/file/412450compostcows machinediffusion equationfertilizermanurematuration |
| spellingShingle | Vjekoslav Tadić Kurt Tomantschger Dragan V. Petrović Rade L. Radojević Dušan Ž. Radivojević Modelling the Compost Parameters During Mechanized Aerobic Fermentation Tehnički Vjesnik compost cows machine diffusion equation fertilizer manure maturation |
| title | Modelling the Compost Parameters During Mechanized Aerobic Fermentation |
| title_full | Modelling the Compost Parameters During Mechanized Aerobic Fermentation |
| title_fullStr | Modelling the Compost Parameters During Mechanized Aerobic Fermentation |
| title_full_unstemmed | Modelling the Compost Parameters During Mechanized Aerobic Fermentation |
| title_short | Modelling the Compost Parameters During Mechanized Aerobic Fermentation |
| title_sort | modelling the compost parameters during mechanized aerobic fermentation |
| topic | compost cows machine diffusion equation fertilizer manure maturation |
| url | https://hrcak.srce.hr/file/412450 |
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