甜菜碱对高盐废水的生物除磷影响初探

doi:10.11894/1005-829x.2017.37(2).071

工业水处理 ›› 2017, Vol. 37 ›› Issue (2): 71-75. doi: 10.11894/1005-829x.2017.37(2).071

甜菜碱对高盐废水的生物除磷影响初探

杨红薇¹, 陈亮^1,2, 黄川¹, 谢帆¹

1. 西南交通大学地球科学与环境工程学院, 四川成都 610031;
2. 重庆大学三峡库区生态环境教育部重点试验室, 重庆 400045

收稿日期:2016-11-17 出版日期:2017-02-20 发布日期:2017-02-25
作者简介:杨红薇(1976-),副教授。E-mail:yanghongwei650@163.com。
基金资助:
中央高校基本科研业务费专项资金科技创新项目（A0920502051513-16）；大学生科研训练计划项目（201610613018）

Preliminary research on the influences of betaine on biological dephosphorization in high-salinity wastewater

Yang Hongwei¹, Chen Liang^1,2, Huang Chuan¹, Xie Fan¹

1. School of Earth Science and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China;
2. Key Laboratory of Ecological Environment of the Three Gorges Reservoir Area, Ministry of Education, Chongqing University, Chongqing 400045, China

Received:2016-11-17 Online:2017-02-20 Published:2017-02-25

摘要/Abstract

摘要：

在高盐废水的生物处理中，由于高盐度胁迫作用，生物除磷效能普遍偏低。针对SBR系统生物除磷过程，通过监测出水总磷、磷酸盐、亚硝态氮的浓度，探究了甜菜碱的投加时期和投加量对高盐废水生物除磷的影响。研究结果表明：投加适量的甜菜碱能有效应对环境和盐度突变对系统除磷带来的负效应，增强SBR系统的鲁棒性；甜菜碱关键作用于好氧阶段，在曝气开始时投加甜菜碱更有利于生物除磷；在盐度突变的情况下，增加甜菜碱的投加量正反馈于磷酸盐去除率，但持续性不高。

关键词: 高盐废水, 生物除磷, 序批式活性污泥法, 甜菜碱

Abstract:

In the biological treatment of high-salinity wastewater,biological dephosphorization capacity is generally low due to the high salinity stress. Aiming at the biological dephosphorization process of SBR system,by monitoring the concentrations of total phosphorus,phosphate and nitrite in water,the influences of the dosing period and dosage of betaine on the biological dephosphorization of high-salinity wastewater are probed. Research results show that adding a proper amount of betaine can effectively deal with the negative effects brought by environment and salinity mutation on dephosphorization in the system,and enhance the robustness of SBR system. Betaine plays an important role in biological aerobic stage,adding betaine at the beginning of aeration is more advantageous to biological dephosphorization. In the case of salinity mutation,increasing the dosage of betaine can increase the removing rate of phosphate as feedback,but the persistence is not long.

Key words: high salinity wastewater, biological dephosphorization, sequencing batch activated sludge method, betaine

中图分类号:

X703

杨红薇, 陈亮, 黄川, 谢帆. 甜菜碱对高盐废水的生物除磷影响初探[J]. 工业水处理, 2017, 37(2): 71-75.

Yang Hongwei, Chen Liang, Huang Chuan, Xie Fan. Preliminary research on the influences of betaine on biological dephosphorization in high-salinity wastewater[J]. INDUSTRIAL WATER TREATMENT, 2017, 37(2): 71-75.

https://www.iwt.cn/CN/Y2017/V37/I2/71

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甜菜碱对高盐废水的生物除磷影响初探

Preliminary research on the influences of betaine on biological dephosphorization in high-salinity wastewater

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甜菜碱对高盐废水的生物除磷影响初探

Preliminary research on the influences of betaine on biological dephosphorization in high-salinity wastewater

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