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National Chung Hsing University Institutional Repository - NCHUIR > 農業暨自然資源學院 > 生物產業機電工程學系 > 依資料類型分類 > 期刊論文 >  Anaerobic treatment of poultry mortality in a temperature-phased leachbed-UASB system

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/131346

標題: Anaerobic treatment of poultry mortality in a temperature-phased leachbed-UASB system
作者: Chen, T.H.;Huang, J.L.
關鍵字: poultry mortality;anaerobic digestion;leachbed;up-flow anaerobic;sludge blanket;temperature-phased;production waste-water;start-up;digestion;sludge;reactor
日期: 2006
Issue Date: 2012-12-07 16:22:59 (UTC+8)
關連: Bioresource Technology, Volume 97, Issue 12, Page(s) 1398-1410.
摘要: Anaerobic digestion has been proposed as an alternative to the conventional disposal methods of burial, incineration, rendering and aerobic composting. A temperature-phased system consisting of one UASB (at 55 degrees C) and three leach-bed reactors (at ambient temperatures) was tested for its efficiencies in treating poultry mortality. The thermophilic UASB was difficult to start-up. It also showed signs of inhibited methanogenesis. Chemical parameters such as long chain fatty acids, volatile fatty acids and ammonia concentrations were all very high for the thermophilic UASB. Lowering its temperature to 35 degrees C enhanced its stability and improved its performances. Lowering the pH of the 55 degrees C UASB also improved its chemical oxygen demand (COD) reduction efficiency as well as its methane production rate. The results were compared to that of another similar system where the UASB reactor was maintained at 35 degrees C instead of at 55 degrees C. (c) 2005 Elsevier Ltd. All rights reserved.
Relation: Bioresource Technology
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 陳天鴻

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