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Assessment of permeable covers for odour reduction in piggery effluent ponds. 2. Field-scale trials



Assessment of permeable covers for odour reduction in piggery effluent ponds. 2. Field-scale trials



Bioresource Technology 97(16): 2015-2023



The efficacy of supported covers was investigated under field conditions using a series of prototypes deployed on an anaerobic pond treating typical piggery waste. Research focused on identifying effective cover support materials and deployment methods, quantifying odour reduction, and estimating the life expectancy of various permeable cover materials. Over a 10-month period, median odour emission rates were five to eight times lower from supported straw cover surfaces and a non-woven, spun fibre polypropylene weed control material than from the adjacent uncovered pond surface. While the straw covers visually appeared to degrade very rapidly, they continued to reduce odour emissions effectively. The polypropylene cover appeared to offer advantages from the perspectives of cost, reduced maintenance and ease of manufacture.

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Accession: 011783798

Download citation: RISBibTeXText

PMID: 16412630

DOI: 10.1016/j.biortech.2005.11.015


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