期刊
BIORESOURCE TECHNOLOGY
卷 99, 期 18, 页码 8926-8934出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2008.04.071
关键词
Composting; Organic matter; Stabilisation; Crude fiber analysis; Humification
资金
- ADEME
- Veolia Environnement
- INRA
The influence of green waste, biowaste and paper-cardboard proportions in initial mixtures on organic matter (OM) evolution during composting in pilot-scale reactors was studied using respirometric procedure, humic Substance extraction, Crude fiber analysis and Fourier transform infrared spectroscopy. The stabilisation of OM during composting resulted from the degradation of easily biodegradable organic fraction as cellulose and hemicellulose, the relative increase of resistant compounds as lignin, the microbial synthesis of resistant biomolecules, and from humification processes. Little stabilisation of green waste OM during composting was observed, in relation with their large lignin content. With moderate contents of paper-cardboard in initial mixtures (20-40%), cellulose proportion remained favorable to fast OM stabilisation. Larger proportions of paper-cardboard (more than 50%) affected CM stabilisation, probably due to a lack of nitrogen. The influence of biowastes only appeared at the very beginning of composting, because of their large proportions of easily biodegradable OM. (C) 2008 Elsevier Ltd. All rights reserved.
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