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Limiting Odour Emission from Piggery through Application of Heat Recovery System

Wojciech Rzeźnik / Paulina Mielcarek / Ilona Rzeźnik
Published Online: 2016-06-18 | DOI: https://doi.org/10.1515/agriceng-2016-0017


The aim of the study was to determine the effect of manure cooling by the use of the heat recovery system on odour emission from a deep litter piggery. Annual comparative research was carried out in a twin-room deep litter piggery located in Wielkopolska Voivodeship. The recovered heat was transferred to central heating and domestic hot water systems of a residential building. The study showed that the average odour emission rate from the room, where heat was recovered (0.192±0.083 ouE·s−1·kg m.c.−1) was lower than in the room without heat recovering (0.273±0.138 ouE·s−1·kg m.c. −1) (p<0.05). The difference was 27%. It was also found that there was statistically significant strong correlation (r =0.86) between the amount of the recovered heat and the percentage odour emission reduction (p <0.05). This relationship was described by the logarithmic regression line y=12.5ln(x)-21.5 (r2=0.74)

Keywords: odour emission; deep litter; heat pump; cooling manure


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About the article

Received: 2015-03-01

Revised: 2015-06-01

Accepted: 2015-08-01

Published Online: 2016-06-18

Published in Print: 2016-04-01

Citation Information: Agricultural Engineering, Volume 20, Issue 1, Pages 167–176, ISSN (Online) 2449-5999, DOI: https://doi.org/10.1515/agriceng-2016-0017.

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© 2016 Wojciech Rzeźnik et al., published by De Gruyter Open. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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