晶体化学在氧化铜矿物浮选中的应用研究进展

doi:10.12034/j.issn.1009-606X.217430

摘要/Abstract

摘要： 晶体化学是矿物分选的重要理论基础之一，在矿物浮选领域中发挥着重要作用. 本工作总结了晶体化学的研究内容及其在氧化铜矿物浮选中的应用，介绍了氧化铜矿物晶体结构特征、表面特性及可浮性研究现状，综述了晶体化学在氧化铜矿物浮选药剂作用机理研究及浮选条件控制等方面的应用，指出了晶体化学在矿物浮选中的应用研究方向.

关键词: 晶体化学, 氧化铜矿, 浮选, 晶体结构, 表面特性

Abstract: Crystal chemistry is the theory that study the crystal structure at the atomic level. It is a branch of physics and chemistry that reveals the internal relations between the chemical composition, structure and properties of the crystal and the related principles. The law of constancy of angles, the zone law and the Pauling's rules have laid the foundation of crystal chemistry. Crystal structure and chemical composition are important factors affecting minerals flotation separation, and are also the main research contents of crystal chemistry. Crystal chemistry has been widely used in the copper oxide minerals flotation, including the study on the minerals crystal structure and surface characteristics, such as the mode of occurrence of elements, the type of chemical bond, the polarity of ionic bond, ion radius, solubility and copper ion exposure on the surface of the mineral. The relationship among the copper oxide minerals crystal structure, surface properties and copper oxide minerals floatability and the influence of collector and various adjusting agents on copper oxide minerals flotation and its mechanism analysis are also discussed. Crystal chemistry is one of the important theoretical bases for minerals separation, and plays an important role in minerals flotation. The azurite, cuprite, malachite and chrysocolla are main copper oxide minerals which have industrial utilization values. This paper summarized the research contents of crystal chemistry and its application in copper oxide minerals flotation, introduced the research status of the minerals crystal structure, ionic bond and polarization degree of copper oxide minerals, and the research progress of surface properties and floatability of copper oxide minerals. The application of crystal chemistry in the study of flotation reagent action mechanism and flotation condition control were reviewed, the research directions of crystal chemistry in minerals flotation were pointed out, including that crystal chemistry combined with tests and analysis technologies and a variety of basic theories and disciplines.

Key words: crystal chemistry, copper oxide minerals, flotation, crystal structure, surface properties

马英强盛秋月李有多唐浪峰. 晶体化学在氧化铜矿物浮选中的应用研究进展[J]. 过程工程学报, 2018, 18(5): 924-933.

Yingqiang MA Qiuyue SHENG Youduo LI Langfeng TANG. A review of crystal chemistry application in copper oxide minerals flotation[J]. Chin. J. Process Eng., 2018, 18(5): 924-933.

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