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Physical, chemical and biological processes for optimizing decentralized composting

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Author

Summary, in English

On-site composting of nonpolluted organic wastes avoids costs and energy for transportation since the volume to be transported can be reduced to about 20% of the original. This paper describes the aerobic processes in a small-scale composting reactor, and evaluates how these processes can be optimized. The optimized composting process has a relatively short turnover time for organic matter; at the same time the temperature of about 60degreesC decreases the problems with pathogens and weeds in the mature compost. The compost produced has a high nutritional value, with high concentrations of especially nitrogen, potassium and phosphorus, while the contamination by heavy metals and other toxic substances are very low.

Publishing year

2003

Language

English

Pages

330-336

Publication/Series

Compost Science & Utilization

Volume

11

Issue

4

Document type

Journal article

Publisher

JG Press

Topic

  • Ecology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1065-657X