高浓度磷对厌氧氨氧化效能及颗粒污泥特性的影响

傅金祥; 钱杰; 张黎; 于鹏飞; 罗迪; 由昆

doi:10.13205/j.hjgc.202011016

高浓度磷对厌氧氨氧化效能及颗粒污泥特性的影响

doi: 10.13205/j.hjgc.202011016

沈阳建筑大学辽河流域水污染防治研究院, 沈阳 110168

基金项目:

国家水专项项目（2014ZX07202-011）；辽宁省科技厅项目（20170520088）。

详细信息

作者简介:
傅金祥(1955-),男,博士,教授,主要研究方向为污水治理理论与技术。fujinxiang@sina.com

通讯作者:
张黎(1983-),女,博士,讲师。568981139@qq.com

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- 文章访问数: 119
- HTML全文浏览量: 19
- PDF下载量: 9
- 被引次数: 0
出版历程
- 收稿日期: 2019-09-09
- 网络出版日期: 2021-04-23
- 刊出日期: 2021-04-23

EFFECT OF HIGH CONCENTRATION PHOSPHORUS ON ANAEROBIC AMMONIA OXIDATION PERFORMANCE AND GRANULAR SLUDGE PROPERTY

Liao River Basin Water Pollution Control Research Institute, Shenyang Jianzhu University, Shenyang 110168, China

摘要

摘要: 为了研究高浓度磷对厌氧氨氧化效能和污泥特性的影响，采用UASB反应器进行连续试验，考察不同磷浓度时的Anammox脱氮效能，并通过扫描电镜和能谱分析技术对颗粒污泥表面形态和元素组成分析。结果表明：磷浓度达到600 mg/L时开始抑制厌氧氨氧化脱氮效能，700 mg/L对Anammox脱氮效能造成91.86%的抑制，降低磷浓度培养10 d后完全恢复；随着进水磷浓度的增加，反应器对磷的截留率减小；高浓度磷导致反应器底部颗粒污泥表面形成白色固体，为由C、O、P和Ca构成羟基磷灰石和磷酸钙等难溶化合物，能谱分析结果显示，该固体中O、P、C和Ca原子数量分别占41.89%、21.78%、14.41%和10.82%。
- 厌氧氨氧化 /
- 磷 /
- 颗粒污泥 /
- 固体物质
Abstract: In order to study the effect of high concentration of phosphorus on anammox efficiency and sludge characteristics, a UASB reactor was used for continuous test to investigate the nitrogen removal efficiency of anammox at different phosphorus concentrations. The surface morphology and element composition of granular sludge were analyzed by SEM and EDS. The results showed that: when the phosphorus concentration reached 600 mg P/L, it began to inhibit the nitrogen removal efficiency of ANAMMOX, and 700 mg P/L inhibited 91.86% of the nitrogen removal efficiency of Anammox; NRR recovered completely after 10 days of phosphorus reduction; with the increase of phosphorus concentration in the influent, the retention of phosphorus in the reactor decreased. The high concentration of P resulted in the formation of white solid on the surface of granular sludge at the bottom of the reactor, which was composed of C, O, P and Ca, insoluble compounds such as hydroxyapatite and calcium phosphate. The results of EDS showed that the number percentage of O, P, C and Ca atoms in the solid was 41.89%, 21.78%, 14.41% and 10.82%, respectively.
- anammox /
- phosphorus /
- granular sludge /
- solid matter

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参考文献(22)

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