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投稿时间：2019-09-01 修订日期：2019-10-16 录用日期：2019-10-17 网络发布日期：2019-12-18
投稿时间：2019-09-01 修订日期：2019-10-16 录用日期：2019-10-17 网络发布日期：2019-12-18
中文摘要: 对某锌精矿焙砂中性浸出渣进行低酸浸出—矿浆絮凝沉降工艺试验，考察浸出时间、液固比、温度对中性浸出渣低酸浸出和低酸浸出矿浆絮凝沉降的影响。为了模拟工业生产，采用中浸底流与废电解液进行了低酸浸出试验研究，最佳低酸浸出工艺参数下：浸出温度85 ℃、浸出时间4 h、1 m3中浸底流废电解液配入量0.84~0.96 m3，在上述最佳工艺条件下，渣含锌20.67%，低酸浸出渣率46%、低酸段锌浸出率79.63%。
Abstract:Neutral leaching residue of zinc calcine was tested by low acid leaching and flocculation settling of leaching slurry. Effects of leaching time, L/S, and temperature on low acid leaching and flocculation settling were investigated. In order to simulate industrial production, low acid leaching experiments were carried out with neutral leaching underflow and waste electrolyte. Zinc in slag is 20.67%, slag rate of low acid leaching is 46%, and zinc leaching rate is 79.63% under the optimum leaching conditions including leaching temperature of 85 ℃, leaching time of 4 h, and consumption of waste electrolyte for 1 m3 neutral leaching underflow of 0.84-0.96 m3.
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基金项目:国家重点研发计划项目（2018YFC1900400）；国家自然科学基金资助项目（51434001）；国际合作项目（科技部科技伙伴计划资助）（KY201502004）；北京矿冶科技集团有限公司青年创新基金项目（QCJ201823）
| Author Name | Affiliation | Postcode |
| LIU San-ping | 100160 | |
| QIN Shu-chen | Beijing General Reaserch Insititute of Mining Metallurgy | 100160 |
| ZHENG Chao-zhen | 100160 | |
| LI Qiang | 100160 |
引用文本：
刘三平,秦树辰,郑朝振,李强.锌焙砂中性浸出渣低酸浸出液固分离试验[J].有色金属（冶炼部分）,2020(1):1-3.
LIU San-ping,QIN Shu-chen,ZHENG Chao-zhen,LI Qiang.Experiment on Low Acid Leaching and Liquid-Solid Separation of Neutral Leaching Residue of Zinc Calcine[J].Nonferrous Metals (Extractive Metallurgy),2020(1):1-3.
刘三平,秦树辰,郑朝振,李强.锌焙砂中性浸出渣低酸浸出液固分离试验[J].有色金属（冶炼部分）,2020(1):1-3.
LIU San-ping,QIN Shu-chen,ZHENG Chao-zhen,LI Qiang.Experiment on Low Acid Leaching and Liquid-Solid Separation of Neutral Leaching Residue of Zinc Calcine[J].Nonferrous Metals (Extractive Metallurgy),2020(1):1-3.
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