【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COD<100mg/L;盐碱混合液(NaCl/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%。更多还原

【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 100 mg/L in appropriate batch operation conditions.A mixed liquor of NaOH and NaCl 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 100 BV,but the elution ratio could only reach 81%.更多还原