提高氧化锌烟尘中铟浸出率试验研究  

STUDY ON IMPROVING LEACHING RATE BY EXTRACTING INDIUM FROM DUST OF ZnO

作　　者：邵传兵[1] 李守荣[1] 马琳亭 张恩玉[1] 李俞良 

机构地区：[1]西北矿冶研究院冶金新材料研究所,甘肃省有色金属冶炼新工艺及伴生稀散金属高效综合利用重点实验室,甘肃白银730900

出　　处：《矿冶》2016年第1期41-44,共4页Mining And Metallurgy

摘　　要：以铅、锌冶炼产出的氧化锌烟尘为原料,进行中性浸出,浸渣进行两段逆流酸性浸出,通过对温度、酸度、时间和助浸剂等关键影响因素的分析、研究,确定了最佳试验条件为：经过中性浸出,中浸渣于160 g/L下低酸浸出,浸渣在200 g/L硫酸、添加0.8 g/尘的软锰矿粉、温度70~80℃、时间1 h的条件下高酸浸出,锌、铟的总浸出率分别达到99%和96%。With lead and zinc smelting output of zinc oxide fumes as raw material, a leaching process of neutral leaching followed by leaching slag countercurrent two-stage acidic leaching was studied. The key influencing factors such as temperature, acidity, time and help infusions were investigated and analyzed. The most favorable conditions dentermined are： after neutral leaching, leaching slag at 160 g / L by low acid leaching, leaching residue then by high acid leaching at 200 g / L acidity, adding 0. 8 g / kg pyrolusite powder dust, leaching temperature 70 80 ℃ , leaching time lh. The total leaching rate of zinc and indium can reach 99% and 96% respectively.

关 键 词：烟尘 提高 浸出 研究 

分 类 号：TF843.1[冶金工程—有色金属冶金]