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氢气协同生物质还原钒钛磁铁矿试验研究

袁艺旁 周玉青 洪陆阔 李亚强 艾立群 刘泽华 雷悦

袁艺旁, 周玉青, 洪陆阔, 李亚强, 艾立群, 刘泽华, 雷悦. 氢气协同生物质还原钒钛磁铁矿试验研究[J]. 钢铁钒钛, 2022, 43(1): 113-118. doi: 10.7513/j.issn.1004-7638.2022.01.017
引用本文: 袁艺旁, 周玉青, 洪陆阔, 李亚强, 艾立群, 刘泽华, 雷悦. 氢气协同生物质还原钒钛磁铁矿试验研究[J]. 钢铁钒钛, 2022, 43(1): 113-118. doi: 10.7513/j.issn.1004-7638.2022.01.017
Yuan Yipang, Zhou Yuqing, Hong Lukuo, Li Yaqiang, Ai Liqun, Liu Zehua, Lei Yue. Experimental study on reduction of vanadium-titanium magnetite with hydrogen and biomass[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(1): 113-118. doi: 10.7513/j.issn.1004-7638.2022.01.017
Citation: Yuan Yipang, Zhou Yuqing, Hong Lukuo, Li Yaqiang, Ai Liqun, Liu Zehua, Lei Yue. Experimental study on reduction of vanadium-titanium magnetite with hydrogen and biomass[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(1): 113-118. doi: 10.7513/j.issn.1004-7638.2022.01.017

氢气协同生物质还原钒钛磁铁矿试验研究

doi: 10.7513/j.issn.1004-7638.2022.01.017
基金项目: 河北省自然科学基金资助项目(E2019209160,E2021209101);河北省教育厅科技基础研究资助项目(JQN2020029);河北省研究生创新资助项目(CXZZBS2020131);博士科研启动基金项目(BS201846);创新创业项目(X2021215)。
详细信息
    作者简介:

    袁艺旁(1997—),男,河北辛集人,硕士生,研究方向:炼钢新技术与资源综合利用,E-mail:373525633@qq.com

    通讯作者:

    洪陆阔,男(1986—),博士,讲师,研究方向:炼钢新技术与资源综合利用,E-mail:honglk@ncst.edu.cn

  • 中图分类号: TF55

Experimental study on reduction of vanadium-titanium magnetite with hydrogen and biomass

  • 摘要: 针对钒钛磁铁矿所含元素较多、结构较为复杂且铁钛紧密共生等特殊的物化性质以及充分综合利用难度较大的问题,研究了高温下钒钛磁铁矿与Na2CO3反应之后其物相的变化,讨论了温度以及生物质木屑对还原产物金属化率的影响。结果表明,Na2CO3的加入可促进钒钛磁铁矿与H2反应,降低H2还原钒钛磁铁矿中铁钛氧化物的难度;H2还原钒钛磁铁矿时,升高温度和在钒钛磁铁矿中加入生物质木屑均对还原有利。在加热温度为1100 ℃时,钒钛磁铁矿金属化率可达80.22%,相同条件下加入生物质木屑可使还原产物的金属化率提升至84.47%。采用H2还原钒钛磁铁矿的同时加入生物质木屑,有望实现铁的高效富集。
  • 图  1  钒钛磁铁矿XRD图谱

    Figure  1.  XRD pattern of vanadium-titanium magnetite

    图  2  高温卧式管式炉

    Figure  2.  High temperature horizontal tube furnace

    图  3  钛铁氧化物还原反应吉布斯自由能随温度变化关系

    Figure  3.  The relationship between Gibbs free energy and temperature during reduction reaction of ferro-titanium oxide

    图  4  不同温度下加入碳酸钠后钒钛磁铁矿XRD图谱

    Figure  4.  XRD patterns of resulted vanadium-titanium magnetite reacted with sodium carbonate at different temperatures

    图  5  不同温度下H2还原钒钛磁铁矿XRD图谱

    Figure  5.  XRD patterns of resulted vanadium-titanium magnetite reduced by H2 at different temperatures

    图  6  不同温度下H2+生物质木屑和钒钛磁铁矿反应后XRD图谱

    Figure  6.  XRD patterns of resulted vanadium-titanium magnetite reacted with H2+ biomass sawdust at different temperatures

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出版历程
  • 收稿日期:  2021-11-11
  • 网络出版日期:  2022-04-24
  • 刊出日期:  2022-02-28

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