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液相氧化法钒渣提钒研究及展望
  • ISSN号：1003-6326
  • 期刊名称：《中国有色金属学报：英文版》
  • 时间：0
  • 分类：TG146[金属学及工艺—金属材料;一般工业技术—材料科学与工程;金属学及工艺—金属学]
  • 作者机构：[1]中国科学院过程工程研究所、湿法冶金清洁生产技术国家工程实验室,北京100190, [2]中国科学院大学化学与化学工程学院,北京100049, [3]中国矿业大学(北京)化学与环境工程学院,北京100083
  • 相关基金：Project （2013CB632605） supported by the National Basic Research Program of China; Projects （51274178, 51090382） supported by the National Natural Science Foundation of China; Project （KGCX2-EW-215） supported by the Key Deployment Program of Chinese Academy of Sciences; The authors acknowledge Dr. Jin WEI for the discussion on the study of the formation and existence of ROS in the alkaline medium.
作者： 王中行[1,2], 郑诗礼[1], 王少娜[1], 刘彪[1], 王大卫[1,3], 杜浩[1], 张懿[1]
关键词： 钒渣, 液相氧化, 亚熔盐, 熔盐, 钒, 铬, 提取, vanadium slag, liquid oxidation, sub-molten salt, molten salt, vanadium, chromium, extraction
中文摘要：

针对从钒渣中提取钒、铬存在的问题,提出了一系列绿色液相氧化法,包括NaOH/KOH亚熔盐法和NaOH-NaNO3熔盐法.与传统钠化焙烧法工艺相比,新方法的操作温度由850℃降低至200～400℃,而钒、铬的提取率分别由75％和接近0提高至95％和90％,整个操作过程中无废气及毒渣排放.与焙烧法相比,新工艺在能耗、环境友好及矿物资源综合利用率方面显示出明显的优势,成为钒行业绿色化升级的有效替代方案.

英文摘要：

A series of innovative green metallurgical processes using novel reaction media including the NaOH/KOH sub-molten salt media and the NaOH-NaNO3 binary molten salt medium, for the extraction of vanadium and chromium from the vanadium slag have been developed. In comparison with the traditional sodium salt roasting technology, which operates at 850 ℃, the operation temperatures of these new processes drop to 200-400 ℃. Further, the extraction rates of vanadium and chromium utilizing the new approaches could reach 95% and 90%, respectively, significantly higher than those in the traditional roasting process, which are 75% and approximate zero, respectively. Besides, no hazardous gases and toxic tailings are discharged during the extraction process. Compared with the conventional roasting method, these new technologies show obvious advantages in terms of energy, environments, and the mineral resource utilization efficiency, providing an attractive alternative for the green technology upgrade of the vanadium production industries.

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期刊信息
  • 《中国有色金属学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编：黄伯云
  • 地址：中国长沙中南大学
  • 邮编：410083
  • 邮箱：f-xsxb@csu.edu.cn
  • 电话：0731-88830949
  • 国际标准刊号：ISSN：1003-6326
  • 国内统一刊号：ISSN：43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
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  • 被引量:1159