摘要(Abstract)：
为了解决臭氧氧化技术处理含油废水中石油烃类、有机氯等难降解有机污染物时存在的臭氧水力停留时间短、传质效率低等问题，基于微纳米气泡能大幅改善臭氧的水力停留时间与气-液传质效率的特性，采用臭氧微纳米气泡高级氧化技术降解含油废水，通过对比不同投加臭氧的质量浓度时臭氧微纳米气泡体系与传统臭氧体系的臭氧溶液中溶解臭氧的质量浓度随曝气时间的变化，并阐明不同酸碱度条件对溶解臭氧的质量浓度及化学需氧量减小率的影响机制，确定臭氧微纳米气泡体系的优势特性与适用场景。结果表明：在投加臭氧的质量浓度为20 mg/L的条件下，相对于传统臭氧体系，臭氧微纳米气泡体系中臭氧的气-液传质效率得到极大提高，有效延长了臭氧的水力停留时间，提升了臭氧利用率；中性条件下臭氧微纳米气泡体系对反应溶液的化学需氧量减小率最高可达85%左右，酸性、碱性条件下化学需氧量减小率均稳定在75%左右，整体降解效能较高，表明臭氧微纳米气泡体系具有较强的酸碱度耐受能力，适用于复杂酸碱度条件下的含油废水处理。
关键词(KeyWords)：高级氧化;降解效能;影响机制;臭氧;微纳米气泡;含油废水;酸碱度
基金项目(Foundation):国家自然科学基金区域创新发展联合基金项目(U24A20187)
作者(Author):李宪圣,朱友兵,崔洁,邓靖,刘贵彩,李贤能,王庆斌,崔月
DOI:10.13349/j.cnki.jdxbn.20260409.001
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