Moreover, pre chlorination is unable to improve the odor removal and will also cause the rise in odor intensity of treated water under the circumstances of some chlorinedosage, wh…
预氯化不但不能降低水的嗅味，且在一定投量时反而会使出水的嗅味强度增加；
2
The dosage formulations of liquid preparation and solid powder preparation were different, but the degradation time of chlorine dioxide was not different significantly.
二氧化氯液体制剂和固体粉剂等剂型不同，二氧化氯的降解时间差异不明显。
3
Conclusion: All the three disinfection methods have certain killing effect on the natural bacteria in air, but chlorine dioxide aerosol spray has the best efficacy and its dosage is low.