摘要
考察了高铁酸钾对聚合氯化铝(PAC)去除景观水体中藻类的强化效果,探讨了高铁酸盐预氧化对絮体结构的影响机理,并与高锰酸钾的强化除藻效果进行了对比。结果表明,高铁酸钾的预氧化作用可促进PAC的除藻效果,当PAC投量较小时,高铁酸钾的强化除藻效果尤为明显;高铁酸钾的强化除藻效果要优于高锰酸钾的;高铁酸钾预氧化可改善絮体结构,絮体的二阶分形维数随高铁酸钾投量的增加而增大。
The enhanced effect of potassium ferrate on algae removal from landscape water by poly- aluminium chloride （PAC） was investigated. The mechanism of ferrate preoxidation affecting floc struc- ture was studied, and algae removal efficiencies by potassium ferrate and potassium permanganate were compared. The results show that the preoxidation of potassium ferrate can notably improve algae removal using low-PAC dosage. The algae removal efficiency by potassium ferrate is higher than that by potassium permanganate. The preoxidation of potassium ferrate can change floe structure. The fractal dimension of floc increases with increase of potassium ferrate dosage.
出处
《中国给水排水》
CAS
CSCD
北大核心
2010年第9期83-85,共3页
China Water & Wastewater
基金
国家科技支撑计划项目(2007BAK27B05-4)
上海市科学技术委员会资助项目(08QB14031)
关键词
高铁酸钾
聚合氯化铝
景观水体
除藻
potassium ferrate
polyaluminium chloride
landscape water
algae removal
