CAJ | 학술논문

氯离子在废水的化学需氧量（COD）测定中会干扰测定结果，对于高氯低COD水样的干扰尤为明显，因此在测定COD时必须预先处理水样中的氯离子。针对目前测定COD时几种常用的处理氯离子的方法，从去除原理、效果、优缺点以及适用范围等方面进行了分析比较，以供参考。
록리자재폐수적화학수양량（COD）측정중회간우측정결과，대우고록저COD수양적간우우위명현，인차재측정COD시필수예선처리수양중적록리자。침대목전측정COD시궤충상용적처리록리자적방법，종거제원리、효과、우결점이급괄용범위등방면진행료분석비교，이공삼고。
The result was disturbed by chloride ion in determination of COD in waste water,especially for high chlorine low COD water sample. therefore,chloride ion must be pre-treated.Based on several commonly used methods for treatment of chloride ion,the removal principle,effect,advantages,disadvantages and the application range were analyzed for reference.