反渗透膜制终端直饮水的健康安全性考察

摘要

通过动态试验，考察了反渗透膜制终端直饮水系统对有机物、TDS、氨氮、UV254以及硝酸盐等的去除效果；同时分析了进水UV254与CODMn的相关性。试验表明：该系统对CODMnTDS与硝酸盐氮的平均去除率分别为60％、95％和86％，出水的氨氮浓度基本为0；该系统对UV25。的平均去除率为90％，可保证饮水水质安全；同时试验表明进水UV254与CODMn之间有一定的相关性。%The removal effects for organic matters, TDS, NH4 -N, UV254 and nitrate nitrogen by reverse osmosis （RO） system were reviewed through dynamic experiments. This paper also analyzes the correlation between the inflow CODMn and UV254. The results showed that the removal rates of CODM., TDS and nitrate nitrogen by RO system were 60%, 95% and 86% respectively. The NH4 - N concentration of effluent was nearly zero. The average UV254 removal rate was 90%. The health safety of the drinking water is secured and the experiments also proved a certain degree of correlation between the inflow UV254 and CODMn.