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铝锌复合盐处理对金红石型TiO2质量的影响研究

路瑞芳 孙蔷 杨芳 王小慧 刘婵 程晓哲

路瑞芳, 孙蔷, 杨芳, 王小慧, 刘婵, 程晓哲. 铝锌复合盐处理对金红石型TiO2质量的影响研究[J]. 钢铁钒钛, 2022, 43(3): 14-19. doi: 10.7513/j.issn.1004-7638.2022.03.003
引用本文: 路瑞芳, 孙蔷, 杨芳, 王小慧, 刘婵, 程晓哲. 铝锌复合盐处理对金红石型TiO2质量的影响研究[J]. 钢铁钒钛, 2022, 43(3): 14-19. doi: 10.7513/j.issn.1004-7638.2022.03.003
Lu Ruifang, Sun Qiang, Yang Fang, Wang Xiaohui, Liu Chan, Cheng Xiaozhe. Study on effect of Al-Zn composite salt treatment on the quality of rutile TiO2[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 14-19. doi: 10.7513/j.issn.1004-7638.2022.03.003
Citation: Lu Ruifang, Sun Qiang, Yang Fang, Wang Xiaohui, Liu Chan, Cheng Xiaozhe. Study on effect of Al-Zn composite salt treatment on the quality of rutile TiO2[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 14-19. doi: 10.7513/j.issn.1004-7638.2022.03.003

铝锌复合盐处理对金红石型TiO2质量的影响研究

doi: 10.7513/j.issn.1004-7638.2022.03.003
基金项目: 国家自然科学基金青年科学基金项目(编号:22108019)。
详细信息
    作者简介:

    路瑞芳(1984—),女,高级工程师,主要从事钛资源综合利用及硫酸法钛白工艺开发及应用研究,E-mail: lulu195658@163.com

    通讯作者:

    程晓哲(1977—),男,高级工程师,E-mail: chengxz6@126.com

  • 中图分类号: TF823,TB34

Study on effect of Al-Zn composite salt treatment on the quality of rutile TiO2

  • 摘要: 以水解偏钛酸为原料,开展铝锌复合盐处理对金红石型二氧化钛质量的影响研究。通过调整煅烧温度制备金红石转化率合格的二氧化钛样品,考察Al2O3和ZnO加量对金红石合格所需煅烧温度的影响。然后对金红石合格的二氧化钛样品的粒度分布和形貌以及颜料性能进行分析。结果表明:在铝锌复合盐处理体系中,Al2O3加量较低时促进金红石转化,Al2O3加量较高时抑制金红石转化;ZnO促进金红石转化。随着Al2O3加量的增加,样品的TCS和SCX先增加后降低、平均粒径先降低后增加、离散系数变大、长径比增加、粒子逐渐由椭球形长成长条形;Al2O3加量0.15%时样品TCS和SCX最好、平均粒径最小。随着ZnO加量的增加,样品的TCS和SCX、平均粒径、离散系数、长径比均无明显变化规律;Al2O3加量0.15%时随ZnO加量的增加,样品平均粒径减小,长径比减小,粒子逐渐由长条形长成椭球形。
  • 图  1  不同Al2O3和ZnO加量下二氧化钛金红石转化合格所需的煅烧温度

    Figure  1.  Calcination temperature required under different dosage of Al2O3 and ZnO

    图  2  不同Al2O3和ZnO加量下二氧化钛平均粒径的变化

    Figure  2.  Influence of the amount of Al2O3 and ZnO on the mean diameter of TiO2

    图  3  不同Al2O3和ZnO加量下初品离散系数的变化

    Figure  3.  Influence of Al2O3 and ZnO addition on the coefficient of variation of TiO2

    图  4  不同Al2O3和ZnO加量下初品长径比的变化

    Figure  4.  Influence of Al2O3 and ZnO addition on the length-diameter ratio of TiO2

    图  5  ZnO加量0.15%,Al2O3加量分别为0、0.15%、0.25%、0.35%时样品SEM形貌

    Al2O3加量:(a) 0; (b) 0.15%; (c) 0.25%; (d) 0.35%

    Figure  5.  SEM images showing the influence of the amount of Al2O3 on the morphology of TiO2 (the amount of ZnO is 0.15%)

    图  6  Al2O3加量0.15%,锌盐加量分别为0.05%、0.10%、0.15%时样品SEM形貌

    锌盐加量: (a) 0.05%; (b) 0.10%; (c) 0.15%

    Figure  6.  SEM images showing the influence of the amount of ZnO on the morphology of TiO2 (the amount of Al2O3 is 0.15%)

    图  7  不同Al2O3和ZnO加量下二氧化钛的TCS变化

    Figure  7.  Influence of the amount of Al2O3 and ZnO on the TCS of TiO2

    图  8  不同Al2O3和ZnO加量下二氧化钛的SCX变化

    Figure  8.  Influence of the amount of Al2O3 and ZnO on the SCX of TiO2

    表  1  试验所用主要设备

    Table  1.   Main experimental facilities for sample preparation

    名 称型号生产商用 途
    马弗炉TM3010P北京盛安科技有限公司煅 烧
    三头研磨机RK/XPM-Ø120*3武汉洛克粉磨设备制造有限公司样品研磨
    色差仪Ci6XAmerican X-rite Pantone颜料性能检测
    拉曼光谱仪DXR532ThermoFisher金红石含量检测
    扫描电镜JSM-7001F日本电子株式会社形貌和粒度检测
    X-ray衍射仪X'Pert Pro帕纳科晶型分析
    下载: 导出CSV

    表  2  盐处理方案

    Table  2.   Scheme of salt treatment %

    编号K2OP2O5ZnOAl2O3煅烧晶种
    ZnO-0.05%系列0.370.030.0505.5
    0.370.030.050.055.5
    0.370.030.050.155.5
    0.370.030.050.255.5
    0.370.030.050.355.5
    ZnO-0.10%系列
    0.370.030.1005.5
    0.370.030.100.055.5
    0.370.030.100.155.5
    0.370.030.100.255.5
    0.370.030.100.355.5
    ZnO-0.15%系列
    0.370.030.1505.5
    0.370.030.150.055.5
    0.370.030.150.155.5
    0.370.030.150.255.5
    0.370.030.150.355.5
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-01-15
  • 刊出日期:  2022-06-30

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