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Assessment of permeable covers for odour reduction in piggery effluent ponds. 1. Laboratory-scale trials

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Hudson, N., Duperouzel, D. and Melvin, S. (2006) Assessment of permeable covers for odour reduction in piggery effluent ponds. 1. Laboratory-scale trials. Bioresource Technology, 97 (16). pp. 2002-2014.

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Article Link: http://dx.doi.org/10.1016/j.biortech.2005.11.002

Publisher URL: http://www.elsevier.com

Abstract

A variety of materials were trialed as supported permeable covers using a series of laboratory-scale anaerobic digesters. Efficacy of cover performance was assessed in terms of impact on odour and greenhouse gas emission rate, and the characteristics of anaerobic liquor. Data were collected over a 12-month period. Initially the covers reduced the rate of odour emission 40-100 times relative to uncovered digesters. After about three months, this decreased to about a threefold reduction in odour emission rate, which was maintained over the remainder of the trial. The covers did not alter methane emission rates. Carbon dioxide emission rates varied according to cover type. Performance of the covers was attributed to the physical characteristics of the cover materials and changes in liquor composition. The reductions in odour emission indicate that these covers offer a cost-effective method for odour control.

Item Type:Article
Corporate Creators:Animal Science
Additional Information:© Elsevier.
Keywords:Anaerobic; odour; emission; management; supported; straw; permeable; cover; laboratory scale.
Subjects:Technology > Technology (General)
Science > Science (General)
Animal culture > Swine
Live Archive:20 Feb 2009 06:05
Last Modified:03 Sep 2021 16:48

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