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Effects of separation and anaerobic digestion of slurry on odour and ammonia Emission during Subsequent Storage and land application

Hansen, Martin N.; Birkmose, Torkild S.; Mortensen, Børge and Skaaning, Kent (2005) Effects of separation and anaerobic digestion of slurry on odour and ammonia Emission during Subsequent Storage and land application. In: Bernal, Pilar; Moral, Raul; Clemente, Rafael and Paredes, Concepcion (Eds.) Sustainable organic waste management for environmental protection and food safety, FAO and CSIC, 1, pp. 265-269.

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Summary

A study was set up to investigate the environmental effects of anaerobic digestion and separa-tion of slurry. Volatilisation of odour and ammonia from treated and untreated slurry were compared both during storage and following land application. It was found that ammonia volatilisation was higher from uncovered stores of anaerobically digested and separated slurry than from untreated slurry, however, when slurry stores were covered efficiently, the loss rate was low and equal for treated and untreated slurry. Ammonia volatilisation following land application was found to be lower from both anaerobically digested and separated slurry compared to untreated slurry. Treatment of slurry by anaerobic digestion and separation did not reduce odour nuisances during storage, however, odour nuisance from slurry stores was found to be efficiently reduced by an artificial crust cover of the slurry stores. During land application the odour nuisances were found to be lower for anaerobically digested and separated slurry than for untreated slurry


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Odour, ammonia, slurry and technology
Subjects: Environmental aspects > Air and water emissions
Research affiliation: Denmark > SOAR - Research School for Organic Agriculture and Food Systems
Deposited By: Hansen, Scientist Martin N
ID Code:5617
Deposited On:21 Sep 2005
Last Modified:12 Apr 2010 07:31
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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