Evaluation of combination, application and nitrogen removal efficiency of partial nitritation-anammox process

doi:10.16085/j.issn.1000-6613.2015.08.038

Abstract

Abstract: This study introduced the combination, characteristics and research progress of partial nitritation-anammox. Partial nitritation-anammox process and traditional biological denitrification process were compared in nitrogen removal rate, energy consumption and carbon source. Although partial nitritation-anammox process doesn't require organic carbon, its energy consumption is higher than traditional biological denitrification process due to heating and aeration. The difference between nitrogen removal rate of partial nitritation-anammox and traditional biological denitrification process is not significant. Carbon to nitrogen ratio of wastewater needs to be considered when choosing denitrification process. Traditional biological denitrification process is more suitable for high carbon to nitrogen ratio, and combined process is more suitable for low carbon to nitrogen ratio.

Key words: environment, waste water, partial nitritation-anammox, anaerobic, nitrogen removal rate

摘要： 部分亚硝化-厌氧氨氧化联合工艺与传统生物脱氮工艺相比具有一定优势,但该联合工艺是否一定优于传统生物脱氮工艺尚需论证。本文介绍了部分亚硝化-厌氧氨氧化联合工艺的组合形式、特点和处理实际废水的研究进展,从脱氮速率、能耗及碳源的角度将部分亚硝化-厌氧氨氧化联合工艺与传统生物脱氮工艺进行对比分析。指出部分亚硝化-厌氧氨氧化联合工艺具有不需要额外投加有机碳源的优点;部分亚硝化-厌氧氨氧化联合工艺虽然在曝气方面可以节省能耗,但是其中温反应需要一定的热能消耗,综合分析其处理能耗高于传统生物脱氮工艺;同时该联合工艺的整体脱氮速率与传统生物脱氮工艺相比差别不大。据此提出在选择生物脱氮工艺时需要考虑废水的碳氮比,碳氮比高时可以采用传统生物脱氮工艺,碳氮比低时可以考虑使用部分亚硝化-厌氧氨氧化联合工艺。

关键词: 环境, 废水, 部分亚硝化-厌氧氨氧化联合工艺, 厌氧, 脱氮速率

CLC Number:

X703

CUI Jianhong, LI Xiang, HUANG Yong. Evaluation of combination, application and nitrogen removal efficiency of partial nitritation-anammox process[J]. Chemical Industry and Engineering Progree, 2015, 34(08): 3142-3146.

崔剑虹, 李祥, 黄勇. 部分亚硝化-厌氧氨氧化工艺联合形式、应用及脱氮效能评析[J]. 化工进展, 2015, 34(08): 3142-3146.

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