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Laboratory investigation of supported permeable organic covers for the management of odour emissions from anaerobic piggery waste ponds

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Hudson, N., Casey, K., Melvin, S. and Nicholas, P. (2001) Laboratory investigation of supported permeable organic covers for the management of odour emissions from anaerobic piggery waste ponds. Water Science and Technology, 44 (9). pp. 317-326. ISSN 0273-1223

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Article Link: https://doi.org/10.2166/wst.2001.0563

Abstract

Australian research has linked much of the odour arising from intensive livestock operations to pond treatment systems. A reduction in emissions from treatment ponds would therefore generally reduce odour emissions from intensive livestock operations. Published data indicates that the application of straw and other biological materials to effluent pond surfaces as a continuous cover reduces odour emissions. The effectiveness of these covers has not, however, been researched under controlled conditions. Using locally available materials, the efficacy of supported covers has been investigated using a series of laboratory anaerobic digesters treating typical piggery effluent. Research to date has focused on:

• identifying effective cover and cover support materials;

• quantifying odour reduction;

• identifying the impact use these covers may have on greenhouse gas emissions;

• devising practical and effective methods for constructing these covers.

Results have confirmed that a variety of cover materials are effective in reducing pond odour emissions. Supporting the pond cover appears to extend the cover life expectancy. While greenhouse gas emissions appear to vary according to cover type, the overall significance of these emissions is not yet clear. The impact of permeable pond covers on overall pond performance requires additional research.

Item Type:Article
Subjects:Agriculture > Agriculture (General) > Agriculture and the environment
Live Archive:10 Jan 2024 23:38
Last Modified:10 Jan 2024 23:38

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