论文部分内容阅读
以剑水蚤死体溶出物为研究对象,通过二氧化氯预氧化与氯联合消毒,改变二氧化氯的投加量,预氧化时间,pH和温度等条件对消毒副产物的形成进行研究,结果表明,随着二氧化氯投加量增加,1,1-DCP,TCM,1,1,1-TCP和CH浓度均呈下降趋势。1,1-DCP和TCM的浓度随着二氧化氯预氧化的时间的增加而降低,1,1,1-TCP随着预氧化时间增加而升高,TCM没有明显的变化趋势。CH,1,1-DCP,1,1,1-TCP,的浓度随着pH增加而降低,TCM的浓度随着pH的增加而升高。当改变温度时,1,1-DCP,1,1,1-TCP随着温度升高而降低,TCM随着温度升高而增加,CH在10~20℃升高之后降低。
Taking the dead body extract of Schisandra chinensis as the research object, the formation of disinfection by-products was studied by the combination of chlorine dioxide pre-oxidation and chlorine disinfection, changing the dosage of chlorine dioxide, pre-oxidation time, pH and temperature. The results showed that the concentration of 1,1-DCP, TCM, 1,1,1-TCP and CH showed a decreasing trend with the increase of chlorine dioxide dosage. The concentration of 1,1-DCP and TCM decreased with the time of pre-oxidation of chlorine dioxide, and the value of 1,1,1-TCP increased with the increase of pre-oxidation time. There was no obvious change tendency of TCM. The concentration of CH, 1,1-DCP, 1,1,1-TCP decreased with the increase of pH, and the concentration of TCM increased with the increase of pH. When the temperature was changed, 1,1-DCP, 1,1,1-TCP decreased with increasing temperature, TCM increased with increasing temperature, and CH decreased after 10 ~ 20 ℃ increased.