Comparison of high pressure and ambient pressure aerobic granulation sequential batch reactor processes

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题名:	Comparison of high pressure and ambient pressure aerobic granulation sequential batch reactor processes
作者:	Liang, Yang-Min;Yang, You-Lan;Chang, Yuan-Wei;Chen, Jie-Yuan;Li, Chi-wang;Yu, Jui-Hsuan;Chen, Shiao-Shing
贡献者:	淡江大學水資源及環境工程學系
关键词:	High pressure;Granulation;Organic loading;Nitrification
日期:	2013-07-01
上传时间:	2013-05-14 17:16:34 (UTC+8)
出版者:	Amsterdam: Elsevier BV
摘要:	Due to granule size, substrate and oxygen become limited in the core of granules leading to cell lysis at the core. Loss of granule stability is still a major barrier for practical application of AG. Compared to ambient pressure condition (AP), operation of AG under high pressure (HP) is a favorable condition for formation and stability of granules. Experimental results show that granulation was facilitated under HP condition. MLSS and size of granules under AP system are higher than those under HP system. However, SS of effluent in AP is higher than those in HP and is consisted mainly of flocculent sludge. Longer SRT and lower biomass yield are obtained in HP system, indicating that less sludge will be produced in HP system. HP system can operate at high nitrogen loading. Complete nitrification was observed earlier in HP, indicating that the growth of NOB was facilitated under high dissolved oxygen.
關聯:	Bioresource Technology 140, pp.28-35
DOI:	10.1016/j.biortech.2013.04.042
显示于类别:	[水資源及環境工程學系暨研究所] 期刊論文

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