流光放电等离子体污水消毒灭菌  

STERILIZATION FOR WASTEWATER BY STREAMER CORONA PLASMAS

作　　者：钟璐 胡小吐 

机构地区：[1]广州埔玛电气有限公司,广州510663 [2]广东佳德环保科技有限公司,广州510663

出　　处：《环境工程》2015年第3期56-59,共4页Environmental Engineering

基　　金：广州经济技术开发区科技项目(2010Q-P415)

摘　　要：采用流光放电等离子体技术,研究放电电压、大肠杆菌初始浓度、反应器类型对大肠杆菌灭杀的影响,并将流光放电等离子体与臭氧灭菌进行效果对比。结果表明:当在水槽装置中,处理温度为室温,大肠杆菌初始浓度为480 000个/L,放电时间为45 min,水样体积V=50 L,气量Q=8 m3/h,放电电压为30 k V,电流I=11 m A时大肠杆菌的去除率达到99%。流光放电等离子体与臭氧去除污水中大肠杆菌的能力都较强,与臭氧灭菌相,比流光放电等离子体杀菌经济成本低廉许多。The discharge voltage,initial concentration of Escherichia coli,different test device were investigated while treating Escherichia coli from a wastewater treatment plant by streamer corona plasmas; and researchers compared the result of streamer corona plasmas and ozone disinfection. The results showed that the sterilization rate of Escherichia coli was 99% when initial concentration of Escherichia coli was 480 000 per litre,discharge time was 45 min,volume of water sample was 50 L,gas flow rate was 8 m3/ h,discharge voltage was 30 k V,the current was 11 m A in the tank at the room temperature; streamer corona plasmas and ozone disinfection had high sterilization capability,but the economic cost of streamer corona plasmas was cheaper than ozone disinfection.

关 键 词：等离子体 流光放电 消毒灭菌 大肠杆菌 

分 类 号：X703[环境科学与工程—环境工程]