Effect of Rotary Drum on the Speciation of Heavy Metals during Water Hyacinth Composting
作者： Jiwan Singh , Ajay S. Kalamdhad
DOI: 10.4491/EER.2013.18.3.177
关键词:
摘要: Studies were carried out on the speciation of heavy metals (Zn, Cu, Mn, Fe, Ni, Pb, Cd, and Cr) during rotary drum composting water hyacinth (Eichhornia crassipes) for a period 20 days. Five different proportions cattle manure, sawdust prepared composting. This study concluded that, was very efficient degradation organic matter as well reduction mobility bioavailability The results from sequential extraction procedure shows that changed distribution five fractions Zn, Cr. highest in factors Pb Cd observed process. total concen- tration Cr, low compared to other Pb); however, percentage exchangeable carbonate these similar metals. These confirmed does not depend concentration From this study, it can be addition an appropriate proportion manure significantly reduced mobile easily available (exchangeable fractions) drum.
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