浮选过程中气-液界面特性研究进展  

Advance in Gas-Liquid Interface Characterization in Flotation Process

作　　者：王市委 石开仪[1] 李远 陶秀祥 Wang Shiwei;Shi Kaiyi;Li Yuan;Tao Xiuxiang(School of Chemistry and Materials Engineering,Liupanshui Normal University,Guizhou Provincial Key Laboratory of Coal Clean Utilization,Liupanshui,Guizhou,China;School of Chemical Engineering and Technology,China University of Mining and Technology,Xuzhou,Jiangsu,China;Guizhou Provincial Coal Product Quality Supervision and Inspection Institute,Liupanshui,Guizhou,China)

机构地区：[1]六盘水师范学院化学与材料工程学院,贵州省煤炭洁净利用重点实验室,贵州六盘水553004 [2]中国矿业大学化工学院,江苏徐州221116 [3]贵州省煤炭产品质量监督检验院,贵州六盘水553004

出　　处：《矿产综合利用》2023年第6期77-82,共6页Multipurpose Utilization of Mineral Resources

基　　金：国家自然科学基金(52264032);六盘水市高灰细粒煤泥深度提质利用重点实验室(52020-2019-05-04);贵州省煤炭洁净利用重点实验室(黔科合平台人才[2020]2001)。

摘　　要：这是一篇矿业工程领域的论文。近年来,表面活性剂(起泡剂)在矿物浮选中的作用研究尤为重要,因其揭示了气泡-颗粒碰撞或粘附前的气-液界面特性信息,对浮选效果的优化具有重要理论指导意义。本文重点概述了气-液界面电位测试技术、气-液界面张力表征技术及气-液界面吸附特性测试技术,介绍了气-液界面吸附特性的图像轮廓-张力法(PAT)测试方法,阐述了不同气-液界面特性下Stefan-Reynolds模型、Taylor模型及Stokes-Reynolds-Young-Laplace及Stokes-Reynolds模型计算参数,并展望了气-液界面特性的研究工作。This is an essay in the field of mining engineering.Recently,the application research of surfactants such as frother agents has become significantly important in mineral flotation,because it provides huge information on the characteristics of the gas-liquid interface before the bubble-particle collision or attachment.Moreover,it proposes important theories for the optimization of the flotation process.This article focuses on the potential measurement,tension test,and adsorption characteristics of the gas-liquid interface.The profile analysis tensiometry(PAT)test method for the adsorption characteristics of the gas-liquid interface is also introduced.Meanwhile,the research work on the characteristics of the gas-liquid interface has prospected.

关 键 词：矿业工程 浮选 界面吸附 水化膜薄化 气-液界面 轮廓-张力法 

分 类 号：TD923[矿业工程—选矿]