电化学杀菌是一种对环境友好的杀菌技术,现对该技术近30 a在杀菌机理和电极材料方面的研究进展进行了总结。电化学杀菌的机理包括活性氯、H2O2、O3、活性中间体、铜或银离子的化学作用以及电场的物理作用;采用的电极材料分别为钛阳极、炭阴极、PbO2阳极等;根据应用对象和目标选择适宜的电极材料,是提高杀菌效果的有效途径;目前电化学杀菌技术存在的主要问题是电流效率较低,阴极结垢以及杀菌剂浓度难以控制等。
谭丽, 李本高
doaj
利用二乙醇胺、苯甲醛、环氧氯丙烷、三苯基膦为原料,经过脱水缩合环化、烷氧基化和季钅粦化等反应制得一种带有口恶唑环的新型季钅粦盐杀菌剂。介绍了该新型水处理剂的合成方法及杀菌性能。通过电导率仪和红外光谱仪分析确证了其结构,并由抑菌圈实验评定该季钅粦盐对大肠杆菌、葡萄球菌的杀菌作用。结果表明其杀菌性能优于单一季钅粦盐或单一口恶唑烷的杀菌性能。
罗琥捷, 李临生, 姚雪莉
doaj
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