Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.3390/min9040228 |
| Heat-Assisted Batch Settling of Mineral Suspensions in Inclined Containers | |
| Reyes, Cristian1,2; Ihle, Christian F.1,2; Apaz, Fernando3; Cisternas, Luis A.4 | |
| 通讯作者 | Ihle, Christian F. |
| 来源期刊 | MINERALS
 |
| EISSN | 2075-163X |
| 出版年 | 2019 |
| 卷号 | 9期号:4 |
| 英文摘要 | In mineral processing, the common requirement for progressively finer milling due to the decreasing of ore grades implies the need for more challenging water recovery conditions in thickeners. Several mining operations exist in arid areas, where water recovery becomes critical. The present paper explores the process of particle separation in batch inclined settlers where the downward facing wall is subject to heating. To this purpose, two-dimensional numerical simulations using a mixture model have been run for a number of combinations of temperature jumps at the downward facing fall, particle diameters, and concentrations. Results show that, for particle sizes on the order of 10 mu m, heating has a significant effect on the particle settling velocity at the bottom, but it also promotes particle resuspension, affecting the particle concentration at the supernatant layer. The initial concentration also affects settling: for the concentration range tested (8%-15% by volume), when re-normalized by the average concentration, particle accumulation rates at the bottom were found to be lower for higher average concentrations, thus suggesting that the separation process is more efficient at lower concentrations. |
| 英文关键词 | thickening water recovery Boycott effect tailings settling velocity natural convection |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Chile |
| 开放获取类型 | Green Submitted, gold |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000467748800029 |
| WOS关键词 | ENHANCED SEDIMENTATION ; FLOW |
| WOS类目 | Geochemistry & Geophysics ; Mineralogy ; Mining & Mineral Processing |
| WOS研究方向 | Geochemistry & Geophysics ; Mineralogy ; Mining & Mineral Processing |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/217624 |
| 作者单位 | 1.Univ Chile, Dept Min Engn, Lab Rheol & Fluid Dynam, Beauchef 850, Santiago 8370448, Chile; 2.Univ Chile, Adv Min Technol Ctr, Tupper 2007, Santiago 8370451, Chile; 3.Univ Antofagasta, Dept Mech Engn, Av Angamos 601, Antofagasta 1240000, Chile; 4.Univ Antofagasta, Dept Ingn Quim & Proc Minerales, Av Angamos 601, Antofagasta 1240000, Chile |
| 推荐引用方式 GB/T 7714 | Reyes, Cristian,Ihle, Christian F.,Apaz, Fernando,et al. Heat-Assisted Batch Settling of Mineral Suspensions in Inclined Containers[J],2019,9(4). |
| APA | Reyes, Cristian,Ihle, Christian F.,Apaz, Fernando,&Cisternas, Luis A..(2019).Heat-Assisted Batch Settling of Mineral Suspensions in Inclined Containers.MINERALS,9(4). |
| MLA | Reyes, Cristian,et al."Heat-Assisted Batch Settling of Mineral Suspensions in Inclined Containers".MINERALS 9.4(2019). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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