Abstract
The effectiveness of polyester non-woven cloth draining sheet for supporting passive aeration composting was investigated. Temperature and chemical characteristics were compared between the two piles (47cm height) of swine faeces-bulking agent mixture with and without the draining sheet laid at the bottom. Temperature in the passively aerated pile was higher than that in the non-aerated pile during the initial two weeks. The difference in the temperature was especially significant at the lower layer of the piles. The thermophilic temperature (more than 35°C) continued for about 18 days for the passively aerated pile and about 30 days for the nonaerated pile. These results suggest that effective aeration is possible using the polyester nonwoven cloth draining sheet.
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