福建某低品位金铜混合矿石综合回收利用工艺研究
TD951; 福建某低品位金铜混合矿石含Au 0.36 g/t、Cu 0.29％、Ag 7.4 g/t、S 4.02％,若直接氰化,铜进入金氰化浸出系统,不但得不到回收,还会恶化选金指标,增加生产成本.针对该低品位金铜混合矿,采用浮选+氰化联合工艺进行选别.浮选作业考察了磨矿细度、石灰用量、捕收剂种类、分散剂种类对浮选指标的影响,结果表明,在磨矿细度为-0.074 mm 60％、石灰用量为1500g/t、Z-200作捕收剂、水玻璃作分散剂时,浮选效果最佳,闭路实验获得铜精矿含Au 16.74 g/t、Cu 20.21％,金、铜回收率分别为61.90％和87.09％.将浮选尾矿进行氰化浸出,考察...
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| Published in | 矿产综合利用 no. 2; pp. 51 - 56 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
低品位难处理黄金资源综合利用国家重点实验室,紫金矿业集团股份有限公司,福建 上杭 364200
01.04.2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-6532 |
| DOI | 10.3969/j.issn.1000-6532.2022.02.009 |
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| Abstract | TD951; 福建某低品位金铜混合矿石含Au 0.36 g/t、Cu 0.29％、Ag 7.4 g/t、S 4.02％,若直接氰化,铜进入金氰化浸出系统,不但得不到回收,还会恶化选金指标,增加生产成本.针对该低品位金铜混合矿,采用浮选+氰化联合工艺进行选别.浮选作业考察了磨矿细度、石灰用量、捕收剂种类、分散剂种类对浮选指标的影响,结果表明,在磨矿细度为-0.074 mm 60％、石灰用量为1500g/t、Z-200作捕收剂、水玻璃作分散剂时,浮选效果最佳,闭路实验获得铜精矿含Au 16.74 g/t、Cu 20.21％,金、铜回收率分别为61.90％和87.09％.将浮选尾矿进行氰化浸出,考察了氰化钠浓度和氰化时间对金浸出率的影响,结果显示,在氰化钠初始浓度300 mg/L浸出24h,金浸出率为71.26％.全流程Au回收率达到89.05％,Cu回收率达到87.09％,最终达到综合高效回收矿石中金铜的目的,为此类资源的开发提供了技术支撑. |
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| AbstractList | TD951; 福建某低品位金铜混合矿石含Au 0.36 g/t、Cu 0.29％、Ag 7.4 g/t、S 4.02％,若直接氰化,铜进入金氰化浸出系统,不但得不到回收,还会恶化选金指标,增加生产成本.针对该低品位金铜混合矿,采用浮选+氰化联合工艺进行选别.浮选作业考察了磨矿细度、石灰用量、捕收剂种类、分散剂种类对浮选指标的影响,结果表明,在磨矿细度为-0.074 mm 60％、石灰用量为1500g/t、Z-200作捕收剂、水玻璃作分散剂时,浮选效果最佳,闭路实验获得铜精矿含Au 16.74 g/t、Cu 20.21％,金、铜回收率分别为61.90％和87.09％.将浮选尾矿进行氰化浸出,考察了氰化钠浓度和氰化时间对金浸出率的影响,结果显示,在氰化钠初始浓度300 mg/L浸出24h,金浸出率为71.26％.全流程Au回收率达到89.05％,Cu回收率达到87.09％,最终达到综合高效回收矿石中金铜的目的,为此类资源的开发提供了技术支撑. |
| Author | 赵汝全 梁治安 岳涛 吴维新 邓莉莉 |
| AuthorAffiliation | 低品位难处理黄金资源综合利用国家重点实验室,紫金矿业集团股份有限公司,福建 上杭 364200 |
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| Author_FL | Liang Zhian Yue Tao Deng Lili Wu Weixin Zhao Ruquan |
| Author_FL_xml | – sequence: 1 fullname: Yue Tao – sequence: 2 fullname: Wu Weixin – sequence: 3 fullname: Zhao Ruquan – sequence: 4 fullname: Deng Lili – sequence: 5 fullname: Liang Zhian |
| Author_xml | – sequence: 1 fullname: 岳涛 – sequence: 2 fullname: 吴维新 – sequence: 3 fullname: 赵汝全 – sequence: 4 fullname: 邓莉莉 – sequence: 5 fullname: 梁治安 |
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| Publisher | 低品位难处理黄金资源综合利用国家重点实验室,紫金矿业集团股份有限公司,福建 上杭 364200 |
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| Snippet | TD951; 福建某低品位金铜混合矿石含Au 0.36 g/t、Cu 0.29％、Ag 7.4 g/t、S 4.02％,若直接氰化,铜进入金氰化浸出系统,不但得不到回收,还会恶化选金指标,增加生产成本.针对该... |
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| Title | 福建某低品位金铜混合矿石综合回收利用工艺研究 |
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