二氧化锡钠盐焙烧-水浸制备锡酸钠的可行性研究
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Release time:2016-07-06 Affiliation of Author(s):中南大学资源加工与生物工程学院 Journal:矿冶工程 Key Words:锡酸钠; 二氧化锡; 碳酸钠; 钠盐焙烧 Abstract:针对目前锡酸钠制备工艺普遍存在的流程长、成本高、对设备材质要求严格等问题,以化学纯二氧化锡和碳酸钠为对象,开展了二氧化锡与碳酸钠直接焙烧制备锡酸钠的可行性研究.研究结果表明:在CO/CO2气氛中,二氧化锡与碳酸钠焙烧反应生成锡酸钠是完全可行的.当CO/CO2体系中CO体积浓度为15％,碳酸钠与二氧化锡(Na2 CO3/SnO2)摩尔比为1.5,焙烧温度为875℃,焙烧时间为15 min时,锡浸出率达85.64％.XRD分析证实,以锡石精矿(SnO2的含量为76.42％)为原料,采用上述工艺获得了满足工业一级标准的锡酸钠产品(Na2SnO3·3H2O). Co-author:庞勃, 陈宁, 刘兵兵, 苏子键, 杨光, 张元波* Indexed by:Unit Twenty Basic Research Discipline:冶金工程学 Document Type:J Volume:33 Issue:6 Page Number:80-83 Translation or Not:no Date of Publication:2014-03-04 Links to published journals:http://d.wanfangdata.com.cn/Periodical/kygc201306021 -
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二氧化锡钠盐焙烧_水浸制备锡酸钠的可行性研究.pdf
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