journal6 ›› 2015, Vol. 36 ›› Issue (6): 59-62.DOI: 10.3969/j.cnki.jdxb.2015.06.014

• 生物与化学 • 上一篇    下一篇

碱法浸出石煤中的钒和硅

曾英元,华骏,颜文斌,高峰,蔡俊   

  1. (1.吉首大学化学化工学院,湖南 吉首 416000;2.湖南省2011计划“锰锌钒产业技术”协同创新中心,湖南 吉首 416000)
  • 出版日期:2015-11-25 发布日期:2015-12-23
  • 通讯作者: 华骏(1986—),男(瑶族),湖南新宁人,吉首大学化学化工学院助教,硕士,主要从事矿产资源加工、无机材料等研究;E-mail:huajun615@163.com.
  • 基金资助:

    湖南省高校科技创新团队支持计划项目(环境能源材料与武陵山区矿产资源精深加工);吉首大学化学化工类专业校外实践教育基地创新性实验开放项目资助(2014JDXM07)

Leaching Vanadium and Silicon from Stone Coal by Alkaline Process

 ZENG  Ying-Yuan, HUA  Jun, YAN  Wen-Bin, GAO  Feng, CAI  Jun   

  1. (1.College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan China;2.Collaborative Innovation Center of Manganese-Zinc-Vanadium Industrial Technology(the 2011 Plan of Hunan Province),Jishou 416000,Hunan China)
  • Online:2015-11-25 Published:2015-12-23

摘要:在石煤提钒工艺中,为了充分利用石煤中的有价元素硅,采用碱浸提钒工艺提取石煤中的钒和硅.经过预焙烧后,可以有效地破坏石煤结构,提高钒硅浸出率.在焙烧温度850 ℃、焙烧时间2 h、浸出温度95 ℃、浸出时间4 h、固液比(g∶mL)1∶1.4、矿碱质量比1.2∶1的条件下,钒的浸出率为86.6%,硅的浸出率为61.4%.

关键词: 碱法, 预焙烧, 石煤, 钒,

Abstract: In order to make full use of valuable element silicon in stone coal,alkali leaching vanadium process was used in extracting vanadium and silicon from stone coal. Through pre-roasting,the stone coal structure can be destroyed and the leaching rate of vanadium and silicon can be improved.When the roast temperature was 850 ℃,the roast time was 2 h,the leaching temperature was 95 ℃,the leaching time was 4 h,the solid ̄liquid ratio was 1∶1.4,and the ratio of alkali and ore was 1.2∶1,the leaching rates of vanadium and silicon were 86.6% and 61.4% respectively.

Key words: alkaline process, pre-roasting, stone coal, vanadium, silicon

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