石棉尾矿综合利用中试研究
Pilot Study on Comprehensive Utilization of Asbestos Tailings
投稿时间:2019-06-03  修订日期:2019-07-27
DOI:
中文关键词:  石棉尾矿  综合利用  白炭黑
英文关键词:asbestos tailings  comprehensive utilization  silicon dioxide  
基金项目:青海省重大科技专项
        
作者单位
白鹰 肃北县博伦矿业开发有限公司
严海军 肃北县博伦矿业开发有限公司
陈燕珠 中南大学 资源加工与生物工程学院
摘要点击次数: 22
全文下载次数: 0
中文摘要:
      以石棉尾矿为原料,采用酸浸、中和、结晶、氧化除铁、硫化沉镍以及酸浸残渣碱浸,控制硫酸浓度沉析SiO2等工艺分离提取石棉尾矿中的镁、铁、镍、硅,分别生产七水硫酸镁、碱式碳酸镁、氧化铁系工业颜料、高分散轮胎专用白炭黑和镍精矿。中试产品主要回收率:SiO2 96.68%,NiO 82.09%,MgO ≥95%,Fe ≥97%。平均产出率(以加工1000kg尾矿计):七水硫酸镁730kg,碱式碳酸镁224kg,高分散性白炭黑299kg,氧化铁红65.7kg以及镍精矿9.44kg。每处理1000kg石棉尾矿获得利润1000元以上。
英文摘要:
      Asbestos tailings as raw material, using acid leaching, neutralization, crystallization, oxidation and iron removal, vulcanization to precipitate nickel and acid leaching residue by alkali leaching, control of sulfuric acid concentration to precipitate SiO2 and other processes to separate and extract magnesium, iron, nickel and silicon from asbestos tailings, then magnesium sulfate heptahydrate, basic magnesium carbonate, iron oxide series industrial pigments, high dispersion silica for tires and nickel concentrate were produced. Main recovery rate of pilot products: SiO2 96.68%, NiO 82.09%, MgO ≥95%, Fe ≥97%. Average output rate (processing 1000kg tailings meter): magnesium sulfate heptahydrate 730kg, basic magnesium carbonate 224kg, high dispersion silica for tires 299kg, iron oxide red 65.7kg and nickel concentrate 9.44kg. The profit for each 1000kg of asbestos tailings is more than 1000 yuan.
  查看/发表评论  下载PDF阅读器
关闭