离子交换树脂在废水盐分析中的应用  

Application of Ion Exchange Resin in Wastewater Salt Analysis

作　　者：季海东[1] 陆雪芳[1] 顾亚秀 黄波[1] 王海峰[2] 

机构地区：[1]南通江山农药化工股份有限公司,江苏南通226017 [2]南通大学纺织服装学院,江苏南通226019

出　　处：《南通大学学报（自然科学版）》2014年第4期44-48,共5页Journal of Nantong University(Natural Science Edition)　

摘　　要：采用强碱性阴离子交换树脂分离多种形式的磷酸盐,根据磷酸盐对树脂亲和力的差异,用不同浓度的氯化钾溶液进行洗涤分离.研究了洗脱液的流速、洗脱体积等因素对分离磷酸盐的影响.研究结果表明:该方法用于废水焚烧残渣盐中正磷酸盐、焦磷酸盐、三聚磷酸盐、三偏磷酸盐的测定,相对标准偏差分别为0.08%、0.13%、0.11%、0.10%,平均回收率分别为99.48%、100.34%、100.20%、99.76%,可以满足分析要求.Various forms of phosphate were separated by the strongly basic anion exchange resin. With their different resin affinity, different concentrations of potassium chloride solution were used to wash in order to separate phosphate. The effect of the elution flow rate, the elution volume, and other aspects on the phosphate separation were studied. The method was used to determine phosphate in the wastewater incineration residue salt. The relative standard devia- tions（%） are 0.08, 0.13, 0.11, 0.10, respectively. The average recovery rates are 99.48%, 100.34%, 100.20%, and 99.76%respectively. So the method can meet the analysis requirements.

关 键 词：离子交换 树脂 混合磷酸盐 氯化钾 废水 

分 类 号：X786[环境科学与工程—环境工程]