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Author:

高大文 (高大文.) | 彭永臻 (彭永臻.) (Scholars:彭永臻) | 王淑莹 (王淑莹.) (Scholars:王淑莹)

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CQVIP PKU CSCD

Abstract:

采用序批式活性污泥法,在温度为28±1℃的条件下,通过控制反应器内初始pH为7.8~8.7开发了一种新型短程硝化生物脱氮工艺.试验结果表明:经过25 d的运行,曝气结束时出水中主要以亚硝酸盐为主,硝酸盐氮在4 mg/L以下,亚硝酸盐累积率达90%以上;在整个硝化期间游离氨(FA)质量浓度都在0.52~4.72 mg/L,均在抑制硝酸菌活性的阈值范围内.因此,控制pH实现短程硝化反硝化生物脱氮工艺的机理是利用反应体系内的高pH和高游离氨浓度对硝酸菌产生抑制,从而在硝化过程中产生亚硝酸盐积累.

Keyword:

游离氨 短程硝化反硝化 生物脱氮 SBR

Author Community:

  • [ 1 ] [高大文]东北林业大学
  • [ 2 ] [彭永臻]哈尔滨工业大学
  • [ 3 ] [王淑莹]北京工业大学

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Source :

哈尔滨工业大学学报

ISSN: 0367-6234

Year: 2005

Issue: 12

Volume: 37

Page: 1664-1666

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 152

Chinese Cited Count:

30 Days PV: 0

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