[1]史静,吕锡武,张怀玉,等.缺氧段碳源浓度对反硝化聚磷的影响[J].东南大学学报(自然科学版),2011,41(4):788-792.[doi:10.3969/j.issn.1001-0505.2011.04.025]
 Shi Jing,Lü Xiwu,Zhang Huaiyu,et al.Effect of carbon source concentration on denitrifying phosphorus removal under anoxic condition[J].Journal of Southeast University (Natural Science Edition),2011,41(4):788-792.[doi:10.3969/j.issn.1001-0505.2011.04.025]
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缺氧段碳源浓度对反硝化聚磷的影响()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
41
期数:
2011年第4期
页码:
788-792
栏目:
环境科学与工程
出版日期:
2011-07-20

文章信息/Info

Title:
Effect of carbon source concentration on denitrifying phosphorus removal under anoxic condition
作者:
史静吕锡武张怀玉杨子萱
(东南大学能源与环境学院, 南京 210096)
Author(s):
Shi JingLü XiwuZhang HuaiyuYang Zixuan
(School of Energy and Environment, Southeast University, Nanjing 210096, China)
关键词:
碳源反硝化聚磷硝酸盐亚硝酸盐脱氮除磷
Keywords:
carbon source denitrifying phosphorus removal nitrate nitrite nitrogen removal phosphorus removal
分类号:
X703
DOI:
10.3969/j.issn.1001-0505.2011.04.025
摘要:
为了提高反硝化除磷工艺的脱氮除磷效率,以反硝化除磷污泥为研究对象,采用静态试验进行对比研究,考察碳源浓度对缺氧反硝化聚磷的影响.结果表明:当缺氧段初始碳源浓度为10.0 mg/L时,亚硝酸盐积累严重,反硝化聚磷受到抑制; 当缺氧段初始碳源浓度由24.6 mg/L上升至176.8 mg/L时,随着碳源浓度的增加,反硝化速率增加,比污泥聚磷量和单位硝酸盐的除磷量减少; 在硝酸盐耗尽后由聚磷转变为释磷,折点出现时间随着初始碳源浓度的增加而提前.因此,缺氧段一定碳源浓度有利于防止高浓度亚硝酸盐积累,对反硝化聚磷造成抑制,但碳源浓度不宜过大,否则会导致聚磷量的减少,且易发生释磷现象,影响除磷效果.
Abstract:
To improve the nitrogen and phosphorus removal efficiency, the effect of carbon source concentration on denitrifying phosphorus removal under anoxic condition was investigated by parallel batch experiments. The results indicate that when carbon source concentration is about 10. 0 mg/L, phosphorus uptake is inhibited by nitrite accumulation. As carbon source concentration increases from 24. 6 mg/L to 176. 8 mg/L, the denitrification rate goes up. But the specific phosphorus uptake amount and the ratio of phosphorus removal amount to nitrate removal amount decrease. Phosphorus uptake turns into phosphorus release when the nitrate is depleted. The break point appears earlier with higher initial carbon source concentration. Consequently, the carbon source concentration should be appropriate to avoid the inhibition of high nitrite concentration. However, excessively high carbon source concentration would result in low phosphorus removal efficiency.

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备注/Memo

备注/Memo:
作者简介:史静(1984—),女,博士生;吕锡武(联系人),男,博士,教授,博士生导师,xiwulu@seu.edu.cn.
基金项目:国家自然科学基金资助项目(51078074)、江苏省科技支撑计划资助项目(BS2008667)、教育部科学研究重大资助项目(308010).
引文格式: 史静,吕锡武,张怀玉,等.缺氧段碳源浓度对反硝化聚磷的影响[J].东南大学学报:自然科学版,2011,41(4):788-792.[doi:10.3969/j.issn.1001-0505.2011.04.025]
更新日期/Last Update: 2011-07-20