摘要
应用次氯酸钠对城市污水厂二级生物处理出水进行了消毒试验,并与液氯和紫外光消毒进行了成本比较。结果表明,次氯酸钠有较好的消毒效果,可确保消毒后出水粪大肠菌群控制在104 L-1以下,达到GB 18918-2002的一级B标准的要求,并具有一定氧化除臭、脱色等作用;消毒成本与液氯消毒相当,但远低于紫外光消毒。
Sodium hypochlorite was used to disinfect effluent of secondary bio-treatment from wastewater treatment plant.Sodium hypochlorite showed effective disinfection.It was capable to control steadily fecal coliform number under 104 L-1 in the disinfected effluent,which can reach the I-B criteria specified in discharge standard of pollutants for municipal wastewater treatment plant（GB 2002-18918）.Meanwhile,sodium hypochlorite also can remove odor and color synchronously in the disinfection process.And the disinfection cost of sodium hypochlorite was as much as liquid chlorine,or much less than ultraviolet radiation.
出处
《水处理技术》
CAS
CSCD
北大核心
2011年第5期110-112,116,共4页
Technology of Water Treatment
基金
国家高技术研究发展计划(863)项目(2005AA601010-01)
华中农业大学自主创新基金(博士科研启动)项目(52204-10195)
关键词
次氯酸钠
消毒
二沉池出水
粪大肠菌群
sodium hypochlorite
disinfection
secondary clarifier effluent
fecal coliform number
