光触媒水处理器对集中空调水处理系统中军团菌及自然菌去除效果的实验观察

Experimental observation of photocatalyst water processor in central air-conditioning's in legionella bacteria and natural bacterial removal effect

目的:研究光催化水处理器对集中空调水处理器中军团菌及自然菌消毒效果。方法:依据《公共场所集中空调通风系统卫生规范》(2006年)进行试验。结果:光催化水处理器运行至24h、48h和72h时对冷却循环水中自然菌的去除率分别为99.98%、99.99%和99.99%,均达到消毒效果;运行24h后水样中军团菌由阳性变为未检出,达到消毒效果。表明光催化水处理器中复合光催化泡沫金属网的杀灭成分无逸出或逸出物对水中细菌没有明显抑制作用。结论:采用试验用光触媒的水处理器可以去除军团菌,对自然菌去除效果明显,在集中空调系统水处理系统中应用前景广泛。这种采用纳米光触媒法的水处理系统尚需要观察长期连续运转后细菌去除效果。

objective： Photocatalyst water processor in central air-conditioning＇s legionella bacteria and natural bacterial disinfection efficacy study, Method： The experimental basis of 《Air conditioning and ventilation in public places on standardized health system》（2006）. Results： At the photocatalyst water processor＇s nmtime 24h, 48h and 72h, removal rate to natural bacterium is 99.98%, 99.99% and 99.99%. The removal effect to legionneUa is, the water sample from masculine to no detection after the nmfime 24h. It indicated that killing componet of composite photocatalytic foam wire netting of the photocatalyst water processor had been out, and had no inhibition on bacterial in water. Conclusion： The tested photocatalyst water processor could remove legionella bacteria, especially good performance to remove natural bacterial. So it has possessed broad application prospects in the treated water systems of central air-conditioning＇s. But this photocatalyst water processed system still needed long time observe removal effect after continuous operation.