Publicação: O uso da serragem no processo de minicompostagem
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In this work used four cylindrical PVC (polyvinyl chloride) mini compost bins, they all had the same size and were identical, with 40 cm diameter and 75 cm length, they also were opened on both sides. Each mini compost bean received 35,5 kg of solid organic wastes, which were previously crushed and 6 kg of sawdust. It was evaluated during the composting process the C/N analyses, temperature measurement, humidity and pH. Results showed that the use of sawdust as a source of high carbon inputs on the mini compost beans and using low quantities of organic solid wastes reached temperatures as high as 65° C, keeping on the thermophilic phase for almost 6 days. After 18 days the environmental temperature was reached, the organic wastes were then laid to reach full maturity for 55 more days. The C/N ratio was initially around 30/1 and after 73 days it was around 12/1.
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Compost, Composting, Little compounder, Organic waste, Sawdust
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Português
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Engenharia Sanitaria e Ambiental, v. 12, n. 4, p. 355-360, 2007.
