Energy-efficient co-biodrying of dewatered sludge and food waste : Synergistic enhancement and variables investigation

Copyright © 2016 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 56(2016) vom: 03. Okt., Seite 411-22
1. Verfasser: Ma, Jiao (VerfasserIn)
Weitere Verfasser: Zhang, Lei, Li, Aimin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Air-flow rate Co-biodrying Dewatered sludge Food waste Initial moisture content Sewage
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520 |a In this study, dewatered sludge (DS) and food waste (FW) were co-biodried by balancing substrate's property and microbial aspect. A series of experiments were conducted to explore the effects of mixing ratio, particle size of bulking agent, air-flow rate and initial moisture content (MC). A synergistic enhancement of co-biodrying of FW and DS was observed in terms of a stable temperature profile and long high-temperature duration. The biodrying index (water removal/VS consumption) indicated that the co-biodrying had a high efficiency for water removal with less organics consumption, especially for DS/FW=2/2. The small size (<3mm) of bulking agent and initial MC of 62.68% was preferable for the biodrying process by providing adequate free air space and extra carbon source. A moderate air-flow rate of 0.04m(3)h(-1)kg(-1) showed the best water carrying capacity. This finding suggests that the co-biodrying strategy could be a promising approach to treating different organic wastes with synergistic enhancement 
650 4 |a Journal Article 
650 4 |a Air-flow rate 
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650 4 |a Dewatered sludge 
650 4 |a Food waste 
650 4 |a Initial moisture content 
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700 1 |a Zhang, Lei  |e verfasserin  |4 aut 
700 1 |a Li, Aimin  |e verfasserin  |4 aut 
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