亚硝酸型反硝化除磷工艺特性及其应用

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Abstract

In this study, the effects of the operational parameters on the performance and practical application of the acclimated DPAO sludge using nitrite as electron acceptor were investigated. The results showed that anaerobic-anoxic-aerobic process was highly effective for the enrichment of nitrite-based DPAOs. Besides, a step increase of nitrite concentration in the feed was beneficial to improve the nitrite tolerance of DNPAOs. Practical application suggested that DPAO process was feasible for the post-treatment of UASB-SFSBR effluent during the piggery tail wastewater treatment. When the influent concentration of NO₃^--N、NO₂^--N and PO₄³^--P were 5,70 ,30mg/L, respectively, the effluent could reach down to nearly 0of NO₃^--N and NO₂^--N, and less than 1.0mg/L of PO₄³^--P.

Key words： denitrifying phosphorus removal nitrite carbon source dosing method real wastewater

Received: 07 November 2015

PACS:

X703

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	Articles by authors
	KANG Ting-ting
	WANG Liang
	HE Yang-yang
	SUN Fa-qian
	WU Wei-xiang

Cite this article:

KANG Ting-ting,WANG Liang,HE Yang-yang等. The performance of DPAO using nitrite as electron acceptor and its practical application[J]. CHINA ENVIRONMENTAL SCIENCECE, 2016, 36(6): 1705-1714.

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http://manu36.magtech.com.cn/Jweb_zghjkx/EN/ OR http://manu36.magtech.com.cn/Jweb_zghjkx/EN/Y2016/V36/I6/1705

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