Organic Matter Evolution Index (OMEI) as a Measure Of Composting Efficiency
- 1 March 1997
- journal article
- research article
- Published by Taylor & Francis in Compost Science & Utilization
- Vol. 5 (2), 53-62
- https://doi.org/10.1080/1065657x.1997.10701874
Abstract
The significance of the organic matter evolution index (OMEI) related to the composting process degree was tested on a full-scale windrow process for 239 days. Analytical data from many samples collected during the process and kinetics were in agreement regarding the insufficient degree of stability and maturity reached by the compost obtained. As expected, the OMEI at the end of the process was low (OMEI = 0.46) confirming its validity to composting degree evaluation. New analytical methods for humic substances quantification were developed by monitoring humic acids concentration versus composting time and ligno-humic fraction.Keywords
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