微界面高级氧化处理煤化工废水的研究  

Research on advanced oxidation treatment of coal chemical wastewater using microinterfaces

作　　者：徐英宇 杨国强 彭璟 孙海宁 张志炳 XU Yingyu;YANG Guoqiang;PENG Jing;SUN Haining;ZHANG Zhibing(Nanjing Institute of Microinterface Technology,Nanjing 210047,Jiangsu,China;Nanjing Polytechnic Institute,Nanjing 210044,Jiangsu,China)

机构地区：[1]南京延长反应技术研究院有限公司,江苏南京210047 [2]南京科技职业学院,江苏南京210044

出　　处：《化工学报》2024年第S01期283-291,共9页CIESC Journal

基　　金：国家自然科学基金项目(22278202);国家重点研发计划项目(2018YFB0604605);科研北斗计划(人才类)项目(NJPI-RC-2023-09)。

摘　　要：深度处理煤化工废水含有的各种各样有机污染物,提高煤化工废水的回用率,具有重要的生态和经济意义。但有些污染物浓度很高,传统的废水生物处理工艺无法去除并且无法满足日益严格的废水排放标准。依据微界面强化反应器构建了煤化工污水微界面高级氧化反应体系的构效调控数学模型,明确了微界面强化技术对臭氧高级氧化的强化机制和强化效能。结果表明,相同条件下,气泡尺寸从10.0 mm减至0.1 mm,废水COD去除率从70.02%增至90.02%;相同的气量下,COD去除率达到70%时,微界面反应器较普通鼓泡反应器,其废水处理量可提高66.50%。为微界面高级氧化处理煤化工废水的放大和设计提供有力参考。The deep treatment of various organic pollutants contained in coal chemical wastewater and the improvement of its reuse rate have important ecological and economic significance.However,some pollutants have high concentrations and traditional wastewater biological treatment processes cannot completely remove them.Failing to meet increasingly stringent wastewater discharge standards.This article constructs a structure-activity regulation mathematical model for the advanced oxidation reaction system of coal chemical wastewater based on a microinterface enhanced reactor,clarifying the strengthening mechanism and efficiency of microinterface enhanced technology on ozone advanced oxidation.The results showed that under the same conditions,the bubble size decreased from 10.0 mm to 0.1 mm,and the COD removal rate of wastewater increased from 70.02%to 90.02%.At the same gas volume,when the COD removal rate reaches 70%,the microinterface reactor can increase the wastewater treatment capacity by 66.50%compared to the ordinary bubble reactor.Provide strong reference for the scaling up and design of advanced oxidation treatment of coal chemical wastewater at microinterfaces.

关 键 词：相界面积 气液两相流 传递过程 模拟 高级氧化 

分 类 号：TQ021.4[化学工程]