Development of simultaneous partial nitrification, anammox and denitrification (SNAD) process in a sequential batch reactor

Chien Ju Lan, Mathava Kumar, Chih Cheng Wang, Jih-Gaw Lin*

*此作品的通信作者

研究成果: Article同行評審

152 引文 斯高帕斯(Scopus)

摘要

Simultaneous partial nitrification, anammox and denitrification (SNAD) process was developed in a sequential batch reactor (SBR) and the influence of hydraulic retention time (HRT) on the SNAD process was investigated. Around 96% NH4+-N removal and 87% COD removal were observed at 9. d HRT. Marginal decreases in the removal efficiencies were observed when the HRT was reduced to 3. d or the loading rate was increased by three times. On the other hand, a drastic decrease in NH4+-N and COD removals were observed when the DO, pH and temperature were dropped shockingly. The response of the SNAD system towards the shock in substrate loading and operating conditions was evaluated by sensitivity index. Finally, the extent of total nitrogen (TN) removal by partial nitrification with anammox and denitrification was modeled using stoichiometric relationship. Modeling results indicated a TN removal of 85-87% by anammox with partial nitrification and 7-9% by denitrification.

原文English
頁(從 - 到)5514-5519
頁數6
期刊Bioresource Technology
102
發行號9
DOIs
出版狀態Published - 5月 2011

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