【摘要】 以铁矿浮选中含有的黄药为处理的目标物质,采用活性炭和紫外光与臭氧联用氧化雾化后的黄药。试验考察了pH值、臭氧通入量、活性炭、雾化、自由基捕获剂对黄药去除率的影响,并比较了曝气/O3/UV/GAC和雾化/O3/UV/GAC两种方法。结果表明,将废水雾化,不调节pH值,反应35 min,臭氧通入量为300 mg/L,黄药的去除率达到96.3%,比曝气/O3/UV/GAC联用黄药的去除率提高了15%。该工艺可以作为含有黄药废水的深度处理手段。更多还原

【Abstract】 Xanthate in the process wastewater of iron ore flotation was selected as target substance.Study was made on treating the atomized Xanthate by a combination of activated carbon,ultraviolet light and ozone oxidation.The experiment investigated the influence of the pH value,ozone dosage,activated charcoal,atomization,free radical scavenger on the xanthate removal rate,and the two methods(atomization/O3/UV/GAC and aeration/O3/UV/GAC) were compared.The results show that,under the conditions of wastewater atomization,no pH adjustment,a reaction time of 35 minutes,and an ozone dosage of 300 mg/L,the xanthate removal rate was 96.3%,15% higher than that by the process of aeration/O3/UV/GAC.This process can be used as a deep treatment means for xanthate-containing wastewater.更多还原