环境工程学报2012，Vol.6Issue(10)：3635-3638,4.
脉冲电弧液相放电等离子体污水消毒灭菌
Sterilization for wastewater by non-thermal plasma with pulsed arc electro-hydraulic discharge
摘要
Abstract
The discharge time,discharge voltage and polar distance were investigated while treating Escherichia coli from a wastewater treatment plant by non-thermal plasma with pulsed arc electro-hydraulic discharge.The results show that the sterilization rate of Escherichia coli was improved when the discharge time increased.The sterilization rate of Escherichia coli was 99.1% when discharge time was 400.Sterilization rate rose as discharge voltage increasing.When discharge voltage was 3 kV,sterilization rate of Escherichia coli was best,96.7%.The smaller the polar distance,the higher the sterilization rate at the same discharge voltage,and the best polar distance was 0.5 mm.Before and after plasma treatment,the Escherichia coli cell morphology was studied by scanning electron microscopy.According to the sterilization result,the sterilization mechanism was analyzed.It is found that the sterilization is relational to the active particles of the plasma.关键词
低温等离子体/脉冲电弧液相放电/消毒灭菌/大肠杆菌Key words
non-thermal plasma/pulsed arc electro-hydraulic discharge/sterilization/Escherichia coli分类
资源环境引用本文复制引用
邓康,胡小吐..脉冲电弧液相放电等离子体污水消毒灭菌[J].环境工程学报,2012,6(10):3635-3638,4.基金项目
广州经济技术开发区科技项目 （）
