摘要
对昆明某城市污水处理厂连续三年的进水水质水量进行详细的分析,结果表明COD、BOD5与SS的相关性高且稳定,TP、TN与SS相关性相对较低且变化程度远大于前二者;厂区进水量受季节性影响较大,且进水中的BOD5、COD、TP和SS在雨季(5~10月)的波动幅度明显大于旱季(11月~次年4月);雨季初期,厂区进水中的污染物浓度出现增大的趋势,但污染物浓度将在水量最大的月份迅速降低。在统计年内,该厂进水BOD5/COD均值为0.47,2013年内BOD5/COD>0.45的天数占统计天数的比例高达97.75%,可生化性优良。
In this study analyse the influent quality and quantity of a municipal sewage treatment plan in Kunming for three consecutive years.The results show that correlation between COD,BOD5 and SS is high and stable;correlation between TP,TN and SS is relatively low and the degree of change is much larger than the former two;The amount of water is influenced by seasonal,and the range of influent BOD5,COD,TP and SS in the rainy season(May to October)are significantly greater change than in the dry season(November to April);The influent concentration of pollutants gradually increasing at the early rainy season,but the values decreased rapidly in the maximum amount of wate month.Within the statistical years,the influent BOD5/COD mean value is 0.47,and the days BOD5/COD>0.45 is 97.75% of statistics days in 2013,the biodegradability of influent is excellent.
出处
《给水排水》
CSCD
北大核心
2015年第S1期66-69,共4页
Water & Wastewater Engineering
基金
广州市越秀区科信局科技创新和产业化专项(2014-GX-042)
关键词
城市污水处理
水量
水质
相关性
可生化性
Municipal wastewater treatment
Water quantity
Water quality
Correlation
Biodegradability
