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An experimental study was carried out for mineral processing of a Cu-S ore with grade of MgO at 11.86%, grade of S at 6.81%. In the experiment, a flotation process, consisting of preferential flotation of copper, Cu-S separation and reverse flotation of copper concentrate for removal of magnesium, was adopted, with SG-2 as a copper collector in combination with HD as a depressant for magnesium-containing gangue, producing a standard copper concentrate grading 23.47% Cu and 2.99% MgO, with copper recovery at 81.10%.
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对某MgO品位11.86%、S品位6.81%的高含镁铜硫矿石进行了选矿试验研究。采用部分优先浮选铜、铜硫分离、铜精矿反浮选脱镁的浮选流程,使用选择性强的铜捕收剂SG-2并配合使用镁质脉石抑制剂HD,获得了Cu品位23.47%、MgO品位2.99%、Cu回收率81.10%的合格铜精矿。
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唐鑫(1989—),男,云南昭通人,硕士,高级工程师,主要从事选矿工艺、设备及药剂研究。E-mail:kmritang@163.com
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唐鑫(1989—),男,云南昭通人,硕士,高级工程师,主要从事选矿工艺、设备及药剂研究。E-mail:kmritang@163.com
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39(2): 33-36., articleTitle=Study on separation copper from sulfur of a low-grade sulfide copper ore containing gold in foreign country, refAbstract=null)], funds=[Fund(id=1236348229374243190, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, awardId=202305AD160054, language=CN, fundingSource=云南省科技人才与平台计划(202305AD160054), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1236348221438620462, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, xref=1., ext=[AuthorCompanyExt(id=1236348221447009068, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, companyId=1236348221438620462, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.昆明冶金研究院有限公司,云南 昆明 650031)]), AuthorCompany(id=1236348221547672379, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, xref=2., ext=[AuthorCompanyExt(id=1236348221556060988, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, companyId=1236348221547672379, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, Kunming 650031, Yunnan, China), AuthorCompanyExt(id=1236348221564449597, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, companyId=1236348221547672379, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.云南省选冶新技术重点实验室,云南 昆明 650031)])], figs=[ArticleFig(id=1236348225687449743, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Fig.1, caption=
Preferential flotation flowchart for Cu, figureFileSmall=a74dR5Uw4iylk2PsvIZGdA==, figureFileBig=HubOqSdaDPzhWNCYqaLXRA==, tableContent=null), ArticleFig(id=1236348225762947221, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=图1, caption=
部分优先浮选铜粗选条件试验流程, figureFileSmall=a74dR5Uw4iylk2PsvIZGdA==, figureFileBig=HubOqSdaDPzhWNCYqaLXRA==, tableContent=null), ArticleFig(id=1236348225943302302, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Fig.2, caption=
Flowchart of Cu/S separation, figureFileSmall=gddD4R/2q5CqnQBNype9tg==, figureFileBig=oT+95fDnFf2SDQEV3Taiyg==, tableContent=null), ArticleFig(id=1236348226064937123, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=图2, caption=
铜硫分离条件试验流程, figureFileSmall=gddD4R/2q5CqnQBNype9tg==, figureFileBig=oT+95fDnFf2SDQEV3Taiyg==, tableContent=null), ArticleFig(id=1236348226194960555, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Fig.3, caption=
Closed-circuit test flowchart, figureFileSmall=7EW3NOVO1KItLonIJWBWCw==, figureFileBig=HVAsYIbWdGrhTAVmBOSy0g==, tableContent=null), ArticleFig(id=1236348226379509944, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=图3, caption=
闭路试验流程, figureFileSmall=7EW3NOVO1KItLonIJWBWCw==, figureFileBig=HVAsYIbWdGrhTAVmBOSy0g==, tableContent=null), ArticleFig(id=1236348226530504896, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Fig.4, caption=
Microscopic images of copper concentrate, figureFileSmall=qUS6fwUgyaLIQgHrYS9lJw==, figureFileBig=q96+vcpUGUOMNKueFRab/Q==, tableContent=null), ArticleFig(id=1236348226643751112, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=图4, caption=
铜精矿显微镜照片, figureFileSmall=qUS6fwUgyaLIQgHrYS9lJw==, figureFileBig=q96+vcpUGUOMNKueFRab/Q==, tableContent=null), ArticleFig(id=1236348226777968853, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Fig.5, caption=
Reverse flotation flowchart for magnesium removal, figureFileSmall=obpK8CSpOynmxaP+Rwai+g==, figureFileBig=GbvJHg/A3RveJu0W6eOLOQ==, tableContent=null), ArticleFig(id=1236348226907992289, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=图5, caption=
脱镁反浮选试验流程, figureFileSmall=obpK8CSpOynmxaP+Rwai+g==, figureFileBig=GbvJHg/A3RveJu0W6eOLOQ==, tableContent=null), ArticleFig(id=1236348227105124587, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 1, caption=
Multi-elemental analysis of sample
, figureFileSmall=null, figureFileBig=null, tableContent=
| Cu | S | As | SiO2 | Al2O3 | Fe |
| 0.45 | 6.81 | <0.10 | 48.53 | 8.69 | 10.14 |
| Na2O | Ag1) | CaO | MgO | P | Au1) |
| 0.25 | 11.9 | 3.01 | 11.86 | 0.14 | <0.10 |
), ArticleFig(id=1236348227247730930, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表1, caption=
试样化学多元素分析结果(质量分数)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Cu | S | As | SiO2 | Al2O3 | Fe |
| 0.45 | 6.81 | <0.10 | 48.53 | 8.69 | 10.14 |
| Na2O | Ag1) | CaO | MgO | P | Au1) |
| 0.25 | 11.9 | 3.01 | 11.86 | 0.14 | <0.10 |
), ArticleFig(id=1236348227365171448, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 2, caption=
Copper phase analysis results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 铜物相 | 含量(质量分数)/% | 分布率/% |
|---|
| 游离氧化铜 | 0.003 3 | 0.73 |
| 结合氧化铜 | 0.006 7 | 1.49 |
| 次生硫化铜 | 0.13 | 28.89 |
| 原生硫化铜 | 0.31 | 68.89 |
| 合计 | 0.45 | 100.00 |
), ArticleFig(id=1236348227507777790, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表2, caption=
铜物相分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 铜物相 | 含量(质量分数)/% | 分布率/% |
|---|
| 游离氧化铜 | 0.003 3 | 0.73 |
| 结合氧化铜 | 0.006 7 | 1.49 |
| 次生硫化铜 | 0.13 | 28.89 |
| 原生硫化铜 | 0.31 | 68.89 |
| 合计 | 0.45 | 100.00 |
), ArticleFig(id=1236348227650384134, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 3, caption=
Mineral composition
, figureFileSmall=null, figureFileBig=null, tableContent=
| 黄铜矿 | 硫砷铜矿 | 斑铜矿 | 辉铜矿 | 磁黄铁矿 | 黄铁矿 | 铜蓝 |
| 1.023 | 0.13 | 0.001 | 0.02 | 0.73 | 13.07 | 0.02 |
| 磁铁矿 | 褐铁矿 | 石英 | 斜长石 | 金/黑云母 | 高岭石 | 白云母 |
| 2.4 | 0.04 | 23.65 | 3.89 | 10.41 | 2.78 | 4.69 |
| 角闪石 | 透辉石 | 绿泥石 | 滑石 | 蛇纹石 | 透闪石 | 钾长石 |
| 1.43 | 1.37 | 3.52 | 6.09 | 5.55 | 9.44 | 6.71 |
| 磷灰石 | 菱铁矿 | 石膏 | 黄钾铁矾 | 金红石/板钛矿 | | |
| 0.59 | 1.35 | 0.14 | 0.62 | 0.34 | | |
), ArticleFig(id=1236348227788796173, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表3, caption=
矿物组成(质量分数)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 黄铜矿 | 硫砷铜矿 | 斑铜矿 | 辉铜矿 | 磁黄铁矿 | 黄铁矿 | 铜蓝 |
| 1.023 | 0.13 | 0.001 | 0.02 | 0.73 | 13.07 | 0.02 |
| 磁铁矿 | 褐铁矿 | 石英 | 斜长石 | 金/黑云母 | 高岭石 | 白云母 |
| 2.4 | 0.04 | 23.65 | 3.89 | 10.41 | 2.78 | 4.69 |
| 角闪石 | 透辉石 | 绿泥石 | 滑石 | 蛇纹石 | 透闪石 | 钾长石 |
| 1.43 | 1.37 | 3.52 | 6.09 | 5.55 | 9.44 | 6.71 |
| 磷灰石 | 菱铁矿 | 石膏 | 黄钾铁矾 | 金红石/板钛矿 | | |
| 0.59 | 1.35 | 0.14 | 0.62 | 0.34 | | |
), ArticleFig(id=1236348227910431001, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 4, caption=
Influence of collector types on Cu roughing
, figureFileSmall=null, figureFileBig=null, tableContent=
| 捕收剂种类 | 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| Z-200 | 精矿 | 9.27 | 3.89 | 13.21 | 13.64 | 79.04 | 17.87 | 10.83 |
| 尾矿 | 90.73 | 0.11 | 6.20 | 11.47 | 20.96 | 82.13 | 89.17 |
| 原矿 | 100.00 | 0.46 | 6.85 | 11.67 | 100.00 | 100.00 | 100.00 |
| MCO | 精矿 | 7.30 | 4.77 | 9.24 | 14.34 | 75.82 | 9.98 | 9.04 |
| 尾矿 | 92.70 | 0.12 | 6.56 | 11.37 | 24.18 | 90.02 | 90.96 |
| 原矿 | 100.00 | 0.46 | 6.76 | 11.59 | 100.00 | 100.00 | 100.00 |
| 异戊基黄药 | 精矿 | 24.36 | 1.53 | 12.31 | 13.55 | 83.58 | 43.07 | 28.18 |
| 尾矿 | 75.64 | 0.10 | 5.24 | 11.12 | 16.42 | 56.93 | 71.82 |
| 原矿 | 100.00 | 0.45 | 6.96 | 11.71 | 100.00 | 100.00 | 100.00 |
| 丁基黄药 | 精矿 | 22.30 | 1.71 | 12.21 | 13.60 | 83.37 | 39.98 | 26.21 |
| 尾矿 | 77.70 | 0.10 | 5.26 | 10.99 | 16.63 | 60.02 | 73.79 |
| 原矿 | 100.00 | 0.46 | 6.81 | 11.58 | 100.00 | 100.00 | 100.00 |
| SG-2 | 精矿 | 10.88 | 3.54 | 11.15 | 12.80 | 83.07 | 17.78 | 12.06 |
| 尾矿 | 89.12 | 0.09 | 6.30 | 11.40 | 16.93 | 82.22 | 87.94 |
| 原矿 | 100.00 | 0.46 | 6.82 | 11.55 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228057231647, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表4, caption=
捕收剂种类对粗选选铜指标的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 捕收剂种类 | 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| Z-200 | 精矿 | 9.27 | 3.89 | 13.21 | 13.64 | 79.04 | 17.87 | 10.83 |
| 尾矿 | 90.73 | 0.11 | 6.20 | 11.47 | 20.96 | 82.13 | 89.17 |
| 原矿 | 100.00 | 0.46 | 6.85 | 11.67 | 100.00 | 100.00 | 100.00 |
| MCO | 精矿 | 7.30 | 4.77 | 9.24 | 14.34 | 75.82 | 9.98 | 9.04 |
| 尾矿 | 92.70 | 0.12 | 6.56 | 11.37 | 24.18 | 90.02 | 90.96 |
| 原矿 | 100.00 | 0.46 | 6.76 | 11.59 | 100.00 | 100.00 | 100.00 |
| 异戊基黄药 | 精矿 | 24.36 | 1.53 | 12.31 | 13.55 | 83.58 | 43.07 | 28.18 |
| 尾矿 | 75.64 | 0.10 | 5.24 | 11.12 | 16.42 | 56.93 | 71.82 |
| 原矿 | 100.00 | 0.45 | 6.96 | 11.71 | 100.00 | 100.00 | 100.00 |
| 丁基黄药 | 精矿 | 22.30 | 1.71 | 12.21 | 13.60 | 83.37 | 39.98 | 26.21 |
| 尾矿 | 77.70 | 0.10 | 5.26 | 10.99 | 16.63 | 60.02 | 73.79 |
| 原矿 | 100.00 | 0.46 | 6.81 | 11.58 | 100.00 | 100.00 | 100.00 |
| SG-2 | 精矿 | 10.88 | 3.54 | 11.15 | 12.80 | 83.07 | 17.78 | 12.06 |
| 尾矿 | 89.12 | 0.09 | 6.30 | 11.40 | 16.93 | 82.22 | 87.94 |
| 原矿 | 100.00 | 0.46 | 6.82 | 11.55 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228166283559, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 5, caption=
Influence of grinding fineness on Cu roughing
, figureFileSmall=null, figureFileBig=null, tableContent=
| -74 μm粒级占比/% | 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| | 精矿 | 7.23 | 4.70 | 12.36 | 11.21 | 75.62 | 13.21 | 6.94 |
| 50 | 尾矿 | 92.77 | 0.12 | 6.33 | 11.72 | 24.38 | 86.79 | 93.06 |
| | 原矿 | 100.00 | 0.45 | 6.77 | 11.68 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 8.13 | 4.39 | 12.08 | 12.24 | 79.01 | 14.62 | 8.59 |
| 55 | 尾矿 | 91.87 | 0.10 | 6.25 | 11.52 | 20.99 | 85.38 | 91.41 |
| | 原矿 | 100.00 | 0.45 | 6.72 | 11.58 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 9.89 | 3.93 | 10.62 | 12.80 | 83.81 | 15.31 | 11.00 |
| 60 | 尾矿 | 90.11 | 0.08 | 6.45 | 11.37 | 16.19 | 84.69 | 89.00 |
| | 原矿 | 100.00 | 0.46 | 6.86 | 11.51 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 10.01 | 3.83 | 10.57 | 12.68 | 84.41 | 15.49 | 11.03 |
| 65 | 尾矿 | 89.99 | 0.08 | 6.41 | 11.38 | 15.59 | 84.51 | 88.97 |
| | 原矿 | 100.00 | 0.45 | 6.83 | 11.51 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 10.53 | 3.70 | 10.51 | 13.51 | 84.44 | 16.36 | 12.19 |
| 70 | 尾矿 | 89.47 | 0.08 | 6.32 | 11.46 | 15.56 | 83.64 | 87.81 |
| | 原矿 | 100.00 | 0.46 | 6.76 | 11.67 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 11.02 | 3.42 | 10.44 | 13.71 | 84.60 | 17.17 | 13.03 |
| 80 | 尾矿 | 88.98 | 0.08 | 6.24 | 11.33 | 15.40 | 82.83 | 86.97 |
| | 原矿 | 100.00 | 0.45 | 6.70 | 11.59 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228275335469, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表5, caption=
磨矿细度对粗选选铜指标的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| -74 μm粒级占比/% | 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| | 精矿 | 7.23 | 4.70 | 12.36 | 11.21 | 75.62 | 13.21 | 6.94 |
| 50 | 尾矿 | 92.77 | 0.12 | 6.33 | 11.72 | 24.38 | 86.79 | 93.06 |
| | 原矿 | 100.00 | 0.45 | 6.77 | 11.68 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 8.13 | 4.39 | 12.08 | 12.24 | 79.01 | 14.62 | 8.59 |
| 55 | 尾矿 | 91.87 | 0.10 | 6.25 | 11.52 | 20.99 | 85.38 | 91.41 |
| | 原矿 | 100.00 | 0.45 | 6.72 | 11.58 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 9.89 | 3.93 | 10.62 | 12.80 | 83.81 | 15.31 | 11.00 |
| 60 | 尾矿 | 90.11 | 0.08 | 6.45 | 11.37 | 16.19 | 84.69 | 89.00 |
| | 原矿 | 100.00 | 0.46 | 6.86 | 11.51 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 10.01 | 3.83 | 10.57 | 12.68 | 84.41 | 15.49 | 11.03 |
| 65 | 尾矿 | 89.99 | 0.08 | 6.41 | 11.38 | 15.59 | 84.51 | 88.97 |
| | 原矿 | 100.00 | 0.45 | 6.83 | 11.51 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 10.53 | 3.70 | 10.51 | 13.51 | 84.44 | 16.36 | 12.19 |
| 70 | 尾矿 | 89.47 | 0.08 | 6.32 | 11.46 | 15.56 | 83.64 | 87.81 |
| | 原矿 | 100.00 | 0.46 | 6.76 | 11.67 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 11.02 | 3.42 | 10.44 | 13.71 | 84.60 | 17.17 | 13.03 |
| 80 | 尾矿 | 88.98 | 0.08 | 6.24 | 11.33 | 15.40 | 82.83 | 86.97 |
| | 原矿 | 100.00 | 0.45 | 6.70 | 11.59 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228380193078, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 6, caption=
Influence of Mg-containing gangue depressant on Cu/S separation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 抑制剂种类 | 产品名称 | 作业产率/% | 品位/% | 作业回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| | 精矿 | 21.53 | 11.87 | 25.44 | 10.59 | 61.43 | 51.82 | 18.70 |
| 糊精 | 尾矿 | 78.47 | 2.04 | 6.49 | 12.63 | 38.57 | 48.18 | 81.30 |
| | 粗精矿 | 100.00 | 4.16 | 10.57 | 12.19 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 23.23 | 11.67 | 25.27 | 9.81 | 65.01 | 55.80 | 18.63 |
| HD | 尾矿 | 76.77 | 1.90 | 6.06 | 12.96 | 34.99 | 44.20 | 81.37 |
| | 粗精矿 | 100.00 | 4.17 | 10.52 | 12.23 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 20.15 | 12.01 | 26.32 | 9.67 | 58.31 | 50.32 | 15.96 |
| CMC | 尾矿 | 79.85 | 2.17 | 6.56 | 12.85 | 41.69 | 49.68 | 84.04 |
| | 粗精矿 | 100.00 | 4.15 | 10.54 | 12.21 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 28.65 | 9.31 | 23.59 | 13.69 | 63.81 | 63.70 | 32.10 |
| 不添加 | 尾矿 | 71.35 | 2.12 | 5.40 | 11.63 | 36.19 | 36.30 | 67.90 |
| | 粗精矿 | 100.00 | 4.18 | 10.61 | 12.22 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228526993724, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表6, caption=
镁质脉石抑制剂对铜硫分离指标的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 抑制剂种类 | 产品名称 | 作业产率/% | 品位/% | 作业回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| | 精矿 | 21.53 | 11.87 | 25.44 | 10.59 | 61.43 | 51.82 | 18.70 |
| 糊精 | 尾矿 | 78.47 | 2.04 | 6.49 | 12.63 | 38.57 | 48.18 | 81.30 |
| | 粗精矿 | 100.00 | 4.16 | 10.57 | 12.19 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 23.23 | 11.67 | 25.27 | 9.81 | 65.01 | 55.80 | 18.63 |
| HD | 尾矿 | 76.77 | 1.90 | 6.06 | 12.96 | 34.99 | 44.20 | 81.37 |
| | 粗精矿 | 100.00 | 4.17 | 10.52 | 12.23 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 20.15 | 12.01 | 26.32 | 9.67 | 58.31 | 50.32 | 15.96 |
| CMC | 尾矿 | 79.85 | 2.17 | 6.56 | 12.85 | 41.69 | 49.68 | 84.04 |
| | 粗精矿 | 100.00 | 4.15 | 10.54 | 12.21 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 28.65 | 9.31 | 23.59 | 13.69 | 63.81 | 63.70 | 32.10 |
| 不添加 | 尾矿 | 71.35 | 2.12 | 5.40 | 11.63 | 36.19 | 36.30 | 67.90 |
| | 粗精矿 | 100.00 | 4.18 | 10.61 | 12.22 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228619268420, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 7, caption=
Influence of regrinding fineness on Cu/S separation
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| -45 μm粒级占比/% | 产品名称 | 作业产率/% | 品位/% | 作业回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| | 精矿 | 22.12 | 12.07 | 24.33 | 10.45 | 63.42 | 50.63 | 18.90 |
| 70 | 尾矿 | 77.88 | 1.98 | 6.74 | 12.74 | 36.58 | 49.37 | 81.10 |
| | 粗精矿 | 100.00 | 4.21 | 10.63 | 12.23 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 20.77 | 12.88 | 25.67 | 8.98 | 64.15 | 50.68 | 15.33 |
| 75 | 尾矿 | 79.23 | 1.89 | 6.55 | 13.01 | 35.85 | 49.32 | 84.67 |
| | 粗精矿 | 100.00 | 4.17 | 10.52 | 12.17 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 19.12 | 14.07 | 27.52 | 8.11 | 64.36 | 49.45 | 12.72 |
| 80 | 尾矿 | 80.88 | 1.84 | 6.65 | 13.15 | 35.64 | 50.55 | 87.28 |
| | 粗精矿 | 100.00 | 4.18 | 10.64 | 12.19 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 19.23 | 13.87 | 27.39 | 8.12 | 63.50 | 49.78 | 12.73 |
| 85 | 粗精矿 | 80.77 | 1.90 | 6.58 | 13.26 | 36.50 | 50.22 | 87.27 |
| | 原矿 | 100.00 | 4.20 | 10.58 | 12.27 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 19.33 | 13.56 | 27.32 | 8.01 | 62.86 | 49.54 | 12.54 |
| 90 | 尾矿 | 80.67 | 1.92 | 6.67 | 13.39 | 37.14 | 50.46 | 87.46 |
| | 粗精矿 | 100.00 | 4.17 | 10.66 | 12.35 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228736708942, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表7, caption=
再磨细度对铜硫分离指标的影响
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| -45 μm粒级占比/% | 产品名称 | 作业产率/% | 品位/% | 作业回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| | 精矿 | 22.12 | 12.07 | 24.33 | 10.45 | 63.42 | 50.63 | 18.90 |
| 70 | 尾矿 | 77.88 | 1.98 | 6.74 | 12.74 | 36.58 | 49.37 | 81.10 |
| | 粗精矿 | 100.00 | 4.21 | 10.63 | 12.23 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 20.77 | 12.88 | 25.67 | 8.98 | 64.15 | 50.68 | 15.33 |
| 75 | 尾矿 | 79.23 | 1.89 | 6.55 | 13.01 | 35.85 | 49.32 | 84.67 |
| | 粗精矿 | 100.00 | 4.17 | 10.52 | 12.17 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 19.12 | 14.07 | 27.52 | 8.11 | 64.36 | 49.45 | 12.72 |
| 80 | 尾矿 | 80.88 | 1.84 | 6.65 | 13.15 | 35.64 | 50.55 | 87.28 |
| | 粗精矿 | 100.00 | 4.18 | 10.64 | 12.19 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 19.23 | 13.87 | 27.39 | 8.12 | 63.50 | 49.78 | 12.73 |
| 85 | 粗精矿 | 80.77 | 1.90 | 6.58 | 13.26 | 36.50 | 50.22 | 87.27 |
| | 原矿 | 100.00 | 4.20 | 10.58 | 12.27 | 100.00 | 100.00 | 100.00 |
| | 精矿 | 19.33 | 13.56 | 27.32 | 8.01 | 62.86 | 49.54 | 12.54 |
| 90 | 尾矿 | 80.67 | 1.92 | 6.67 | 13.39 | 37.14 | 50.46 | 87.46 |
| | 粗精矿 | 100.00 | 4.17 | 10.66 | 12.35 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228841566550, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 8, caption=
Closed-circuit tests result with different reagent systems
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| 药剂体系 | 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| SG-2+HD | 铜精矿 | 1.91 | 18.62 | 31.23 | 6.93 | 81.92 | 8.51 | 1.18 |
| 尾矿1 | 88.37 | 0.058 | 6.57 | 10.96 | 11.81 | 82.85 | 86.06 |
| 尾矿2 | 9.72 | 0.28 | 6.23 | 14.78 | 6.27 | 8.64 | 12.77 |
| 给矿 | 100.00 | 0.43 | 7.01 | 11.25 | 100.00 | 100.00 | 100.00 |
| 丁基黄药+CMC | 铜精矿 | 2.01 | 17.03 | 32.77 | 8.12 | 80.19 | 9.43 | 1.48 |
| 尾矿1 | 85.66 | 0.057 | 6.01 | 10.39 | 11.44 | 73.74 | 80.46 |
| 尾矿2 | 12.33 | 0.29 | 9.53 | 16.21 | 8.38 | 16.83 | 18.07 |
| 给矿 | 100.00 | 0.43 | 6.98 | 11.06 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348228984172887, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表8, caption=
不同药剂体系闭路试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 药剂体系 | 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| SG-2+HD | 铜精矿 | 1.91 | 18.62 | 31.23 | 6.93 | 81.92 | 8.51 | 1.18 |
| 尾矿1 | 88.37 | 0.058 | 6.57 | 10.96 | 11.81 | 82.85 | 86.06 |
| 尾矿2 | 9.72 | 0.28 | 6.23 | 14.78 | 6.27 | 8.64 | 12.77 |
| 给矿 | 100.00 | 0.43 | 7.01 | 11.25 | 100.00 | 100.00 | 100.00 |
| 丁基黄药+CMC | 铜精矿 | 2.01 | 17.03 | 32.77 | 8.12 | 80.19 | 9.43 | 1.48 |
| 尾矿1 | 85.66 | 0.057 | 6.01 | 10.39 | 11.44 | 73.74 | 80.46 |
| 尾矿2 | 12.33 | 0.29 | 9.53 | 16.21 | 8.38 | 16.83 | 18.07 |
| 给矿 | 100.00 | 0.43 | 6.98 | 11.06 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1236348229072253278, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=EN, label=Table 9, caption=
Test results of reverse flotation for magnesium removal
, figureFileSmall=null, figureFileBig=null, tableContent=
| 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| 高品质铜精矿 | 1.50 | 23.47 | 34.29 | 2.99 | 81.10 | 7.34 | 0.40 |
| 镁质脉石 | 0.41 | 0.87 | 20.03 | 21.34 | 0.82 | 1.17 | 0.78 |
| 铜精矿 | 1.91 | 18.62 | 31.23 | 6.93 | 81.92 | 8.51 | 1.18 |
), ArticleFig(id=1236348229172916580, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276112439955703, language=CN, label=表9, caption=
脱镁反浮选试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 产品名称 | 产率/% | 品位/% | 回收率/% |
|---|
| Cu | S | MgO | Cu | S | MgO |
|---|
| 高品质铜精矿 | 1.50 | 23.47 | 34.29 | 2.99 | 81.10 | 7.34 | 0.40 |
| 镁质脉石 | 0.41 | 0.87 | 20.03 | 21.34 | 0.82 | 1.17 | 0.78 |
| 铜精矿 | 1.91 | 18.62 | 31.23 | 6.93 | 81.92 | 8.51 | 1.18 |
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