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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Xia, Xunfeng Wan, Shuming Xi, Beidou Lv, Dandan Wang, Lei Li, Mingxiao Song, Caihong |
| Description | Country affiliation: China Author Affiliation: Wan S ( Laboratory of Water Environmental System Engineering, Chinese Research Academy of Environmental Science, Beijing 100012, China.) |
| Abstract | In this study, the removal of volatile solids (VSs) and soluble chemical oxygen demand (SCOD) by co-digesting cattle dung (CD) and duck manure (DM) was determined and compared with the reduction achieved with CD or DM digestion alone. Moreover, fluorescence excitation-emission matrix spectroscopy was utilised to characterise the conversion mechanisms of organic nitrogen. It was found that the co-digestion provided 71% VS reduction compared with 58% for CD and 61% for DM. The amounts of COD removed were 28%, 23% and 31% for CD, DM and the mixture, respectively. Tyrosine-like/fulvic-like fluorescence intensity (FI) ratios increased during the initial 15days of co-digestion and were associated with an increase in total nitrogen in the supernatant. After 15days, CD and DM exhibited a lower tryptophan-like/fulvic-like FI ratio (0.8-1.6), whereas the co-digestion remained stable at a high level (3.0-3.6), rendering an improved microbial population and biochemical activity. |
| ISSN | 09608524 |
| Volume Number | 123 |
| e-ISSN | 18732976 |
| Journal | Bioresource Technology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-11-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ducks Feces Chemistry Manure Analysis Organic Chemicals Metabolism Spectrometry, Fluorescence Methods Anaerobiosis Animals Biodegradation, Environmental Biological Oxygen Demand Analysis Bioreactors Cattle Nitrogen Volatilization Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Medicine Environmental Engineering Renewable Energy, Sustainability and the Environment Bioengineering |
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