北方寒冷地区SBR设计参数的修正及其探讨

在城市污水处理系统中,通常的SBR工艺设计参数多适用于常温的环境即15～30℃。而我国北方寒冷地区,冬季水温一般在6～10℃,如果仍按照常规参数进行工程设计,在一定程度上不能满足北方城市污水处理系统的实际情况,出水水质很难达到排放要求。因此,应把温度参数与反应动力学联系起来,通过试验和工程实例对SBR的常规设计参数进行低温下的修正,以适应北方寒冷地区的城市污水处理厂的设计要求。

DISCUSSION ON CORRECTION OF SBR DESIGN PARAMETERS IN ARCTIC REGION

SBR design parameters for sewage treatment system are suitable for normal temperature environment(15～30 ℃ );yet water temperature is in the range of 6～10 ℃ in northern areas in China.Therefore these parameters can not meet the treatment systems in northern areas of China,and it is difficult for the effluent quality to meet the emission requirements.Hence temperature parameter should be combined with reaction dynamics,and SBR normal design parameters should be corrected for low temperatures through tests and project examples.