SART工艺处理氰化提金循环液的关键技术研究与产业化应用
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钱虎,隋靖,赵艳玲,徐忠敏
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Key Technology Research and Industrial Application of SART Process in the Treatment of Cyanide Gold Leaching Circulating Liquid
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Hu QIAN,Jing SUI,Yanling ZHAO,Zhongmin XU
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表9 净化前后贫液调浆氰化浸出对比试验结果
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Table 9 Comparison test results of lean liquor cyanidation leaching before and after purification
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样品 | 细度(-400目)占比/% | NaCN质量浓度 /? | CaO质量浓度/? | 时间/h | 原矿金品位/(g·t-1) | 渣金品位/(g·t-1) | 金回收率/% | NaCN添加量/(kg·m-3) | CaO量/(kg·t-1) | 备注 |
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试验1-1 | 92.0 | 40~48 | 4.0~6.4 | 40 | 66.05 | 0.90 | 98.64 | 2.7942 | 9.06 | 净化前 | 试验1-2 | 92.0 | 48~60 | 4.0~6.4 | 40 | 66.05 | 0.90 | 98.64 | 0 | 7.93 | 净化后 | 试验3-1 | 90.7 | 36~49 | 4.0~6.4 | 40 | 39.64 | 0.84 | 97.88 | 2.8623 | 18.00 | 净化前 | 试验3-2 | 91.0 | 43~54 | 4.0~6.4 | 40 | 39.64 | 0.80 | 97.98 | 1.2440 | 18.00 | 净化后 | 试验4-1 | 92.2 | 40~48 | 4.0~6.4 | 40 | 45.70 | 0.99 | 97.83 | 3.2523 | 18.00 | 净化前 | 试验4-2 | 92.4 | 40~48 | 4.0~6.4 | 40 | 45.70 | 0.95 | 97.92 | 1.2085 | 18.00 | 净化后 |
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