离子交换法去除磺化泥浆体系钻井废水COD探索.pdfVIP

维普资讯 学兔兔 化 工 进 展 ·1080· CHEMICAL INDUSTRY AND ENGINEERING PROGRESS 2008年第27卷第7期 离子交换法去除磺化泥浆体系钻井废水COD的探索 穆 波，张红岩，吕荣湖，刘丽丽，张 瑶，郭绍辉 (中国石油大学 (北京)化学科学与工程学院，北京 102249) 摘 要：分别在静态和动态条件下用筛选出的大孔弱碱性离子交换树脂D301R进行了去除磺化泥浆体系钻井废水 COD的探索研究。静态试验表明，在适宜的操作条件下，钻井废水的COD去除率可达到90％，出水CODIOOmg／L； 盐碱混合液 (NaC1／NaOH)对树脂的再生效果较好。柱动态吸附和动态洗脱再生试验的结果表明， COD达标 (100mg／L)处理量接近100床层体积，树脂的再生率可以达到81％。 关键词：阴离子树脂；磺化泥浆体系：钻井废水；废水处理 中图分类号：TQ 028．3 文献标识码：A 文章编号：1000～6613(2008)07—1080—06 Removal of COD in drilling wastewater from sulfonated mud system by anion exchange resin MUBo，ZHANG Hongyan，LURonghu，LIULili，ZHANG Yao，GUO Shaohui (School ofChemical ScienceEngineering，China University ofPetroleum fBeijing)，Beijing 102249，China) Abstract：The macroporous weakly basic anion exchange resin(D301R)was screened in batch experiments and dynamic adsorption experiments to treat the drilling wastewater correlated from sulfonated mud system．The COD(chemical oxygen demand)removal of drilling wastewater was approximately 90％ and the COD of treated wastewater was under 1 00 mg／L in appropriate batch operation conditions．A mixed liquor of NaOH and NaC1 was selected as the desorbent，because of its better elution performance．The results of column dynamic adsorption and regeneration experiments showed that the throughput meeting the wastewater COD discharge standard came up to 1 00 BV，but the elution ratio could only reach 8 1％． Key words：anion exchange resin；sulfonated mud system；drilling waste