从钒渣中提取钒的工艺研究进展  

Research Progress on Vanadium Extraction Process from Vanadium Slag

作　　者：李佳双 李金贵 吴昊天 雷伟岩 李锋锋 沈毅 LI Jiashuang;LI Jingui;WU Haotian;LEI Weiyan;LI Fengfeng;SHEN Yi(School of Materials Science and Engineering,North China University of Science and Technology,Tangshan 063210,China;School of Mining Engineering,North China University of Science and Technology,Tangshan 063210,China;Hebei Provincial Key Laboratory of Inorganic Nonmetallic Materials,Tangshan 063210,China)

机构地区：[1]华北理工大学材料科学与工程学院,河北唐山063210 [2]华北理工大学矿业工程学院,河北唐山063210 [3]河北省无机非金属材料重点实验室,河北唐山063210

出　　处：《湿法冶金》2023年第5期437-442,共6页Hydrometallurgy of China

基　　金：国家自然科学基金资助项目(51772099,51572069)。

摘　　要：钒渣是钒钛磁铁矿转炉炼钢过程的副产品,是钒的重要二次资源。目前,从钒渣中提钒以钠化焙烧—水浸和钙化焙烧—酸浸工艺为主;此外,还有很多新型提钒工艺,包括低温钠焙烧法、空白焙烧法、复合焙烧法、亚熔盐焙烧法、微波焙烧法、无焙烧加压酸浸法、微生物法、机械活化酸浸法、电场强化酸浸法等。综述了从钒渣中提钒工艺的研究进展,总结了各工艺的优缺点,指出了清洁高效、低成本可循环是未来钒渣提钒工艺的发展方向。Vanadium slag is a by-product of the converter steelmaking process of vanadium titanomagnetite,and an important vanadium secondary resource.Currently,the predominant methods for vanadium extraction from vanadium slag are sodium roasting—water leaching and calcified roasting—acid leaching.Additionally,there are many new vanadium extraction processes,including low-temperature sodium roasting,blank roasting,composite roasting,sub-molten salt roasting,microwave roasting,high-pressure acid leaching without roasting,microbial leaching,mechanical activation acid leaching,electric field enhanced acid leaching,etc.The research progress on vanadium extraction technology is reviewed,the advantages and disadvantages of each technology are summarized.Furthermore,it is pointed out that clean,efficient,and cost-effective recycling is the direction for future development of vanadium extraction processes from vanadium slag.

关 键 词：钒渣 钒 钠化焙烧 钙化焙烧 浸出 提取 研究进展 

分 类 号：TF841.3[冶金工程—有色金属冶金] TF803.2