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湿法炼锌过程中如何实现锌与铁的有效分离是铁闪锌矿处理的关键,赤铁矿法除铁是实现锌铁清洁高效分离的有效途径。阐述了赤铁矿沉铁过程的基本原理、核心技术、热力学优势区,硫酸亚铁结晶、溶解特性和转化规律以及氧化水解反应机理,分析了赤铁矿沉铁过程微细晶粒成核、发育、团聚和长大规律及矿相转变特征。对赤铁矿法除铁在国内外的应用现状进行了阐述。
Abstract：How to realize effective separation of zinc and iron are the key technologies of marmatite processing.Hematite precipitation process for iron removal is an effective way to realize high efficient separation of zinc and iron.Basic principle and kernel technology of hematite process and thermodynamic stability of hematite area are expounded.Crystallization and dissolution features,and transformation rules of ferrous sulfate crystal are investigated.Oxidation & hydrolysis reaction mechanism are analyzed.Rule of fine grain in terms of its nucleation,growth,reunion and grow-up,and characteristics of ore phase transition during hematite precipitation process are summarized. Application status of hematite precipitation process at home and abroad is expounded.
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基本信息:
中图分类号:TF813
引用信息:
[1]黄孟阳,邓志敢,朱北平,等.湿法冶金工艺赤铁矿法除铁技术原理与应用[J].有色金属(冶炼部分),2019(06):1-6.
基金信息:
国家重点研发计划(2018YFC1900402); 国家自然科学基金资助项目(51804146,51564030,51664030)
2019-06-12
2019-06-12