焙烧温度对纤维水镁石矿物学特征的影响研究
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P578.4+95; P579

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中央高校基本科研业务费面上项目(2019XKQYMS76); 中央高校基本科研业务费专项资金(2023QN1038)


Study of the effect of roasting on the mineralogical characteristics of fibrous brucite
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    摘要:

    纤维水镁石是一种独特的天然氢氧化物矿物纤维,具有增强增韧和耐高温阻燃等特点,被广泛应用于建筑、阻燃和造纸等领域,将纤维水镁石应用于高附加值产品中具有重要的经济意义,而纤维水镁石的应用与其矿物学特征密切相关。陕西汉中黑木林纤维水镁石矿是目前全球范围内储量最大的纤维水镁石矿床,目前对该地区纤维水镁石矿物学特征的研究较少。本文采用X射线衍射(XRD)、X射线荧光分析(XRF)、场发射扫描电子显微镜(SEM)、氮气吸脱附和热重分析(TGA)等测试方法,对黑木林纤维水镁石进行了矿物学特征测试分析与研究,同时也对热处理后纤维水镁石矿物学特征的变化规律进行了研究,为纤维水镁石的应用提供理论基础,为将其应用于高附加值产品中提供科学依据,从而进一步提高其经济价值。

    Abstract:

    Fiber brucite is a unique natural hydroxide mineral fiber with the characteristics of strengthening, toughening, high-temperature resistance, and flame retardancy. It is widely used in fields such as construction, flame retardancy, and papermaking. The application of fiber brucite in high value-added products has important economic significance, and the application of fiber brucite is closely related to its mineralogical characteristics. The Heimulin fiber brucite deposit in Hanzhong, Shaanxi is currently the largest fiber brucite deposit in the world, and there is currently limited research on the mineralogical characteristics of fiber brucite in the region. By means of X-ray diffraction (XRD), X-ray fluorescence analysis (XRF), scanning electron microscopy (SEM), nitrogen adsorption desorption, and thermogravimetric analysis (TGA), this article studies the mineralogical characteristics and the changes in mineralogical characteristics of Heimulin fibrous brucite after heat treatment, providing a theoretical basis and scientific proof for the application of fibrous brucite, thereby further enhancing their economic value.

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刘芳芳,牛继南,2024,焙烧温度对纤维水镁石矿物学特征的影响研究[J].岩石矿物学杂志,43(1):89~99. LIU Fang-fang, NIU Ji-nan,2024,Study of the effect of roasting on the mineralogical characteristics of fibrous brucite[J]. Acta Petrologica et Mineralogica,43(1):89~99.

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  • 收稿日期:2023-05-05
  • 最后修改日期:2023-11-10
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  • 在线发布日期: 2024-01-18
  • 出版日期: 2024-01-25