温度和COD对SBR反硝化同时除磷系统除磷能力的影响  

Effect of temperature and COD on ability of denitrifying phosphorus removal in SBR

作　　者：吉芳英[1] 高茜[1] 袁春华[1] 

机构地区：[1]重庆大学三峡库区生态环境教育部重点实验室,重庆400045

出　　处：《安全与环境学报》2005年第6期30-33,共4页Journal of Safety and Environment

基　　金：国家自然科学基金资助项目(50278101)

摘　　要：以除磷脱氮SBR(Sequencing batch reactor)系统作为研究对象,考查了温度和COD对其反硝化,以及除磷能力的影响.结果表明,反硝化除磷适宜温度范围为18～37℃.在此温度范围内反硝化除磷速率随温度升高而提高,而且温度变化基本上不影响反硝化除磷系统PO34-去除量和NO3-转化量之间的定量关系.同时实验还发现,反硝化同时除磷系统比传统的厌氧/好氧除磷系统节省33%的碳耗.当进水PO34--P质量浓度8.0～9.2 mg/L而COD质量浓度低至220～240 mg/L时就可以保证出水PO43--P质量浓度小于0.5 mg/L.而传统的厌氧/好氧SBR除磷脱氮系统则需将进水COD质量浓度提高至350 mg/L时才能实现这一目标.The present paper aims to examine the effect of temperature and COD on the ability of denitrifying phosphorus removal in SBR. The results show that good performance of denitrifying phosphorus removal can be obtained between 18℃ and 37 %, and the change of temperatures may not affect ΔNO3^-- N/ΔPO4^3--P. At the same time, it is found that the consumption of carbon in SDPR （simultaneous denitrifying phosphate removal） system can be less than that of the traditional phosphorus removal system （anaerobic/ aerobic） by 33% when the phosphorus is less than 0.5 mg/L PO4^3-- P in effluent. Whereas the PO4^3-- P in irlfluent can be as high as 8.0-9.2 mg/L, COD is only 220-240 mg/L, PO4^3-- P in effluent of SDPR system, which is less than 0.5 mg/L. However, in order to get the same PO4^3--P removal in traditional phosphorus removal system （anaerobic/aerobic）, about 350 mg/L HAC-COD in irlfluent proves to be absolutely necessary.

关 键 词：环境工程 反硝化同时除磷 SBR 温度 生物除磷与脱氮 COD 

分 类 号：X703.1[环境科学与工程—环境工程]