东北大学学报（自然科学版）

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• 资源与土木 •    下一篇

高磷鲕状赤铁矿石工艺矿物学研究

孙永升1,高鹏2,韩跃新3,周满庚4   

  1. 1. 资源与土木工程学院矿物加工研究所
    2. 东北大学资源与土木工程学院矿物工程研究所
    3. 矿物工程研究所
    4.
  • 收稿日期:2012-04-19 修回日期:2012-05-29 出版日期:2013-12-15 发布日期:2013-07-09
  • 通讯作者: 孙永升
  • 基金资助:
    国家自然科学基金资助项目

Analytical and Mineralogical Studies of High Phosphorus Oolitic Hematite Ore

  • Received:2012-04-19 Revised:2012-05-29 Online:2013-12-15 Published:2013-07-09

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摘要： 通过光学显微镜、电子探针、X射线衍射、化学分析、MLA等分析手段，对高磷鲕状赤铁矿石的化学组成、矿物组成、矿物嵌布及鲕粒的特征进行了详细的研究。结果表明：矿石中的铁主要赋存于赤铁矿和褐铁矿中，主要的脉石矿物为石英、鲕绿泥石和胶磷矿。矿石矿物组成复杂，赤铁矿通常与石英、鲕绿泥石、胶磷矿和粘土矿物层层环状包裹形成鲕粒。鲕粒可分为富铁鲕粒和贫铁鲕粒，其粒度主要为0.1～0.5mm。此研究结果为该铁矿资源的合理开发利用提供了依据。

关键词: 鲕状赤铁矿, 矿物学, 嵌布特征, 鲕粒特征, oolitic hematite, mineralogy, dissemination characteristics, ooidal characterization

Abstract: The chemical composition, mineral composition, dissemination characteristics and ooidal characterization of the ore were detailedly investigated through optical microscope, XRD, MLA automatic detection and chemical analysis. The results showed that iron mainly occurs in the form of hematite and limonite, and the primary gangue minerals are quartz, chamosite and collophanite. Mineral composition of the ore is complex, and hematite is usually associated with quartz, chamosite, collophanite and clay minerals closely in the shape of ooids. Ooids in the ore can be divided into iron-rich ooid and poor iron ooid, and are mostly distributed in the size range of 0.1～0.5mm. The results may provide the basis for the rational exploitation of this iron ore resource.