CAJ | 학술논문

肝素钠废水含有高浓度无机盐和大量有机污染物,对环境具有潜在的毒性且难以处理,已经受到环境工作者的关注.为了了解废水的主要成分和处理此类废水,本实验用Gc-Ms对废水进行了分析,并且利用芬顿试剂对其进行了处理,结果发现废水中有机物有26种,其中脂肪酸和芳香衍生物占有较大比例,处理后,有机成分只有3种;讨论了影响处理效果的因素和最佳的工艺条件,发现当pH值为6.66,硫酸亚铁和过氧化氢的量分别为2.5 g/L和2.8‰(v/v),搅拌速度为2 000 r/min,搅拌时间为15 min时,COD的去除率可达到94.50%.
간소납폐수함유고농도무궤염화대량유궤오염물,대배경구유잠재적독성차난이처리,이경수도배경공작자적관주.위료료해폐수적주요성분화처리차류폐수,본실험용Gc-Ms대폐수진행료분석,병차이용분돈시제대기진행료처리,결과발현폐수중유궤물유26충,기중지방산화방향연생물점유교대비례,처리후,유궤성분지유3충;토론료영향처리효과적인소화최가적공예조건,발현당pH치위6.66,류산아철화과양화경적량분별위2.5 g/L화2.8‰(v/v),교반속도위2 000 r/min,교반시간위15 min시,COD적거제솔가체도94.50%.
Owing to high chloride ion and many organic compounds,heparin sodium wastewater is potential toxicity to the environment and difficult to be treated. Fortunately,it has attracted attention by environmental re-searchers. The treated and untreated wastewaters were analyzed by GC-MS,the result indicated that the propor-tion of palmitic acid and isobutyl oetyl phthalate are higher,but after treated by Fenton reagent oxidation,they are not detected. At the same time,some main factors on the removal rate of COD,such as the amount of H_2O_2 and FeSO_4,pH value and stirring time and speed,were investigated one by one in the experiment. As a result,optimal technical conditions were obtained. The removal rate of COD can reach 94. 50% when pH value is 6.66,the amount of FeSO_4 and H_2O_2 is 2. 5 g/L and 2.8%o (v/v) respectively,stirring time is 15 minutes and stirring speed is 2 000 r/min.