纳米气泡的特性及其在水处理中的应用  

Characteristics of Nanobubbles and the Application in Water Treatment

作　　者：刘亚敏 孙翠珍[1] LIU Yamin;SUN Cuizhen(School of Municipal and Environmental Engineering,Shandong Jianzhu University,Jinan 250101,China)

机构地区：[1]山东建筑大学市政与环境工程学院,山东济南250101

出　　处：《净水技术》2020年第5期160-163,共4页Water Purification Technology

基　　金：山东省住房城乡建设科技计划项目(2017-K6-001);住房城乡建设部科技计划项目(2017-K6-007)。

摘　　要：纳米气泡因稳定性强、界面Zeta电位高、传质效率高以及可产生羟基自由基,广泛应用于去除水中有机物、给水消毒、地表水净化、地下水修复等水处理技术中。文中系统概述了纳米气泡的特性及在水处理中的应用,并提出研发简单高效的纳米气泡发生装置、与其他技术连用、建立水质-纳米气泡发生装置及气泡动力学模型等问题。Nanobubbles are widely used in water treatment technologies,for organic matter removal,water disinfection,surface water purification and groundwater remediation due to its versatile characteristics.Nanobubbles have strong stability,high Zeta potential at the interface,high mass transfer and free hydroxyl radical.The review comprehensively summarized the characteristics of nanobubbles and their applications in water treatment.Finally,some problems,such as developing simple and efficient nanobubbles generating device,connecting it with other technologies,and establishing water quality-nanobubbles generating device and bubble dynamics model are put forward.

关 键 词：纳米气泡 水处理技术 自由基 溶解氧 

分 类 号：X505[环境科学与工程—环境工程]