超声空化效应降解焦化废水中有机物的研究Decomposition of Organic Compounds of Coke Plant Wastewater by Ultrasonic Cavitation
徐金球,贾金平,徐晓军,宁平
摘要(Abstract)：
报道了将超声空化效应应用于降解焦化废水中有机物的方法,考查了饱和气体的存在与否、有机物(CODCr)的初始浓度、超声波的声能密度、废水的初始pH值以及废水的温度对超声空化效应降解废水中有机物效果的影响。通过测定自由基清除剂正丁醇对有机物超声降解过程的影响,提出了废水中有机物超声降解的作用机理可能是由超声空化效应在水中产生的·OH自由基使水中的有机物被氧化的过程,有机物的超声降解过程遵循表观一级反应动力学规律。
关键词(KeyWords)： 超声波;空化效应;降解;焦化废水;有机物;作用机理;动力学
基金项目(Foundation): 云南省自然科学基金资助(2001E0019M)
作者(Author): 徐金球,贾金平,徐晓军,宁平
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