石煤提钒工艺现状及发展趋势.PDF

第33卷第1期 钢摇 铁摇 钒摇 钛 Vol.33,No.1 2012年2月 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 IRON STEEL VANADIUM TITANIUM 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 February2012 石煤提钒工艺现状及发展趋势 王学文,王明玉 (中南大学冶金科学与工程学院,钒钛冶金研究所,湖南 长沙410083) 摘摇 要:介绍了石煤资源的分布情况及工艺现状,分析了各种提钒工艺的优缺点。 根据石煤提钒的发展历程及其 研究现状,指出石煤提钒工艺的发展趋势呈现出以下特点:淤石煤提钒矿石分解优选酸分解工艺;于石煤酸浸液中 分离富集钒工艺多元化;盂石煤提钒产品多样化;榆石煤提钒工艺过程多元素综合回收集约化。 关键词:石煤;提钒;矿石分解;浸出;富集;综合利用 中图分类号:TF841. 3摇 摇 文献标识码:A摇 摇 文章编号:1004-7638(2012)01-0008-07 State鄄of鄄art Development of Vanadium Extraction from Stone Coal Wang Xuewen,Wang Mingyu (School of Metallurgical Science and Engineering,Central South University,Changsha410083,Hunan,China) Abstract:The distribution of stone coal in China was introduced and processes of vanadium extraction from stonecoal,includingtheiradvantagesanddisadvantages,werereviewed. Asurvey of itshistory and current statussuggeststhatthedevelopmenttrendofvanadiumextractionfromstonecoalcouldbeconclu鄄 ded asfollows:淤 acid leaching would be preferred during the process of ore decomposition;于 various methods could be used to separate and concentrate vanadiumfrom the acid leaching solution;盂 various products containing vanadium could be obtained;榆 variousvaluable elementscould be recovered in the process. Key words:stone coal;vanadium extraction;ore decomposition;leach;concentrate;comprehensive u鄄 tilization [1] 倍 。 石煤提钒企业遍布全国各地,石煤提钒已成 0摇 引言 为钒行业的一个热门话题,笔者依据个人多年积累 摇 摇 石煤是一种重要的钒矿资源,它遍布我国湘、 的资料,对石煤提钒的工艺现状及其发展趋势进行 鄂、川、黔、桂、浙、皖、赣、陕、甘、晋、豫等二十多个 归纳阐述。 省、市、自治区。 石煤是一种含碳页岩,其中除碳以