新型羟肟酸捕收剂在矿物界面的吸附特性与分子力测定方法  

Adsorption Characteristics and Molecular Force Det ermination Method of Hydroxamic Acid Collector at Mineral Interface

作　　者：张晋方 漆静[1] 刘广义[1] 赵刚[1] 谢磊 刘胜[1] 吴世元 ZHANG Jinfang;QI Jing;LIU Guangyi;ZHAO Gang;XIE Lei;LIU Sheng;WU Shiyuan(School of Chemistry and Chemical Engineering,Central South University,Changsha 410083,China;School of Minerals Processing and Bioengineering,Central South University,Changsha 410083,China;Yunnan Tiefeng Mining&Chemical New Technology Co.,Ltd.,Lufeng 651201,Yunan,China)

机构地区：[1]中南大学化学化工学院,长沙410083 [2]中南大学资源加工与生物工程学院,长沙410083 [3]云南铁峰矿业化工新技术有限公司,云南禄丰651201

出　　处：《有色金属(选矿部分)》2025年第2期126-145,共20页Nonferrous Metals(Mineral Processing Section)

基　　金：国家自然科学基金青年基金资助项目(52304313);湖南省自然科学基金青年基金资助项目(2025JJ60313)。

摘　　要：羟肟酸是一类重要的螯合捕收剂,在氧化矿浮选中应用广泛。近年来,根据不同需求,许多新型羟肟酸捕收剂被研发并用于矿物浮选,并通过原子力显微镜(AFM)纳米力学技术以及光谱和能谱等测试方法,研究了它们在不同矿物表/界面的吸附机理。新型羟肟酸捕收剂分子的开发以及对药剂分子在矿物表/界面吸附机理的深入研究,对于新型高效羟肟酸分子的设计具有借鉴意义,对于矿产资源的高效利用具有推动作用。因此,系统综述了烷氧基苯甲羟肟酸、巯基-羟肟酸、氨基-羟肟酸、酰胺基-羟肟酸、羧基-羟肟酸、双羟肟酸等捕收剂的浮选性能以及在矿物表/界面的吸附特性,介绍了羟肟酸体系下羟肟酸基-矿物、探针/矿物-矿物和气泡-矿物之间界面相互作用力的定量测量及分析,展望了开发新型羟肟酸类捕收剂过程中需重点关注的研究内容和方向,以及AFM纳米力学在捕收剂分子设计领域的应用。新型羟肟酸类捕收剂在矿物浮选中的应用,将为矿产资源的高效开发利用提供新策略。Hydroxamic acid is an important chelating collector in flotation.In recent years,according to different needs,many new hydroxamic acid collectors had been developed and used in mineral flotation,and their adsorption mechanism on different mineral surfaces/interfaces had been studied by atomic force microscopy(AFM)nanomechanical technology combining with advanced spectroscopy and energy spectrum testing methods.The development of new hydroxamic acid collector molecules and the in-depth study of the adsorption mechanism of reagent molecules on mineral surface/interface are helpful to the efficient utilization of mineral resources and guide the design of new high-efficiency hydroxamic acid molecules.Therefore,this paper systematically reviewed the flotation performance and adsorption characteristics of collectors such as alkoxybenzohydroxamic acid,mercaptohydroxamic acid,aminohydroxamic acid,amide-hydroxamic acid,carboxyl-hydroxamic acid and bishydroxamic acid on mineral surface/interface.and introduced the quantitative measurement and analysis of the interaction force between hydroxamic acid group-mineral,probe/mineral-mineral and bubble-mineral in the hydroxamic acid system.In addition,the research direction of developing new hydroxamic acid collectors were prospected,and the application of AFM nanomechanics in the field of collector molecular design was also discussed.The application of new hydroxamic acid collector in mineral flotation will provide a new strategy for the efficient exploitation and utilization of mineral resources.

关 键 词：新型羟肟酸 捕收剂 浮选 吸附机理 分子力测定 

分 类 号：TD923[矿业工程—选矿]