摘要
分析了包头市北郊水质净化厂的进水水质特征。在采样方面,对比了瞬时样与混合样的区别;在分析参数方面,引入了溶解性COD和颗粒性COD。结果表明,工业废水、居民生活污水和城市公共污水的水量分别占北郊水质净化厂总进水量的35%、50%和15%;工业废水、居民生活污水和城市公共污水的COD负荷对总COD负荷的贡献率分别为20.9%、68.4%和10.7%,氨氮负荷对总氨氮负荷的贡献率分别为8.8%、83.0%和8.2%。造成包头市居民生活污水中COD和氨氮浓度偏高的原因主要是人均用水量少和没有设置化粪池。城市污水水质特征调查可为污水处理厂的设计和运行提供基础数据,在保证出水水质达标的基础上,降低基建费用和运行成本。
Wastewater characteristics of Beijiao WWTP in Baotou City were studied. The instanta- neous samples were compared with mixed samples, and soluble chemical oxygen demand （SCOD） and particulate chemical oxygen demand （PCOD） were used as analytical parameters. The results showed that industrial wastewater, domestic sewage and municipal sewage accounted for 35%, 50% and 15% of the total influent of Beijiao WWTP, respectively. The contribution of industrial wastewater, domestic sewage and municipal sewage to the total COD loads were 20.9% , 68.4% and 10.7% , respectively. Their respective contributions to the total ammonia nitrogen loads were 8.8% , 83.0% and 8.2%. There were two reasons that led to high concentrations of COD and ammonia nitrogen in Baotou＇ s domestic sew- age ： low per capita water consumption and the lack of a septic tank in the sewage collection system. The investigation of wastewater characteristics can provide valuable information for WWTP design and opera- tion, which can lower the infrastructure cost and the operation cost while meeting the effluent discharge standard.
出处
《中国给水排水》
CAS
CSCD
北大核心
2012年第15期75-78,共4页
China Water & Wastewater
关键词
污水水质特征
瞬时样
混合样
溶解性化学需氧量
人均用水量
化粪池
wastcwater characteristic
instantaneous sample
mixed sample
soluble COD
per capita water consumption
septic tank
