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学者姓名：迟晓鹏
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Abstract ：
Efficient removal of iron and aluminum impurities is critical for the extraction of lithium and rubidium from zinnwaldite, a lithium-bearing mineral. In this study, solvent extraction using P507 was employed to remove iron and aluminum from zinnwaldite leaching solutions. However, stripping iron from the organic phase proved challenging due to the strong interaction between iron ions and the extractant. To address this, a novel reduction stripping method was developed using ascorbic acid (AA) as a reductant. This method exploits the reduction of Fe3+ to Fe2+ in the aqueous phase, weakening the binding between iron ions and the organic phase, thus enabling efficient stripping. The optimized process achieved over 99.99% removal of iron and aluminum impurities. Subsequently, rubidium was selectively extracted using t-BAMBP, with a total recovery rate of 88.53%. Scaling-up experiments confirmed the feasibility of the process for industrial applications, demonstrating high efficiency and reagent recyclability. This study offers a promising approach for the efficient extraction and separation of valuable metals from zinnwaldite, with potential for broader applications in metal processing.
Keyword ：
extraction extraction impurity impurity rubidium rubidium stripping stripping zinnwaldite zinnwaldite
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| GB/T 7714 | Tan, Wen , Yang, Yanbo , Liang, Donghui et al. Study on Impurity Removal from Lepidolite Leaching Solution and the Extraction Process of Rubidium [J]. | MINERALS , 2025 , 15 (1) . |
| MLA | Tan, Wen et al. "Study on Impurity Removal from Lepidolite Leaching Solution and the Extraction Process of Rubidium" . | MINERALS 15 . 1 (2025) . |
| APA | Tan, Wen , Yang, Yanbo , Liang, Donghui , Weng, Wei , Chi, Xiaopeng , Zhong, Shuiping . Study on Impurity Removal from Lepidolite Leaching Solution and the Extraction Process of Rubidium . | MINERALS , 2025 , 15 (1) . |
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In the zinc production industry using Mn-rich zinc ore, substantial quantities of anodic slime are generated during electrolytic zinc production, containing - 40 % Mn and - 3 % Pb. While a valuable secondary resource, this material poses environmental risks as solid waste. Conventional reductive leaching methods rely on costly reductants and generate high carbon emissions. This study introduces a process utilizing flue gas from zinc plants as a reductant, achieving 92 % Mn leaching efficiency while simultaneously extracting 25 % Sr and fixing 92 % SO2 as sulfate in solution. Kinetic analysis shows a mixed control model with an activation energy of 13.83 kJ/ mol, with reaction rates further enhanced by optimizing gas inlet design. The MnSO4-rich leachate is processed into battery-grade MnSO4 powder, and Sr is recovered as SrCO3, suitable for use as an additive in electrolytic zinc processes. Additionally, NaOH consumption for flue gas desulfurization decreases significantly from 2.14 kg to 0.17 kg per Nm3. Economic evaluation indicates reagent costs represent only 2 % of the total value of MnSO4 and SrCO3 products, offering a sustainable pathway for anodic slime utilization and SO2 mitigation in zinc smelting.
Keyword ：
Anodic slime Anodic slime Desulfurization Desulfurization Hazardous solid wastes Hazardous solid wastes Manganese Manganese
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| GB/T 7714 | Zhang, Wenze , Duan, Yukun , Chi, Xiaopeng et al. Extraction of Mn and Sr from electrolytic zinc slime using SO2-containing flue gas as reductant [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2025 , 366 . |
| MLA | Zhang, Wenze et al. "Extraction of Mn and Sr from electrolytic zinc slime using SO2-containing flue gas as reductant" . | SEPARATION AND PURIFICATION TECHNOLOGY 366 (2025) . |
| APA | Zhang, Wenze , Duan, Yukun , Chi, Xiaopeng , Tan, Wen , Weng, Wei , Zhong, Shuiping . Extraction of Mn and Sr from electrolytic zinc slime using SO2-containing flue gas as reductant . | SEPARATION AND PURIFICATION TECHNOLOGY , 2025 , 366 . |
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Electroplating gold coating is very important for both jewelry industry and fabrication of functional materials. The traditional process for gold plating is fulfilled in the cyanide-containing solution, which can potentially produce hazardous HCN gas during electrodeposition and generate hazardous CN--containing wastewater. In addition, the residual CN- ions in substrate can damage the post-coated microelectronics. Cyanide-free processes for electroplating gold are springing up these years, showing great potential for replacing the environmentally unfriendly cyanide process. In this review, the types of gold coatings are first summarized. Then the physicochemical properties of various cyanide-free complexing agents for electroplating gold film are compared. Subsequently, cyanide-free systems that have great potential for industrialization are introduced, with other novel cyanide-free systems still on its infant being also suggested. Finally, the existing problems and future developments are anticipated. The contents can hopefully provide comprehensive understanding of the cyanide-free gold electroplating process.
Keyword ：
Cyanide-free Cyanide-free Electrodeposition Electrodeposition Gold plating Gold plating
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| GB/T 7714 | Zhong, Shuiping , Xu, Tingyu , Chi, Xiaopeng et al. Cyanide-Free Electroplating for Gold Coatings: A Review [J]. | JOURNAL OF SUSTAINABLE METALLURGY , 2025 . |
| MLA | Zhong, Shuiping et al. "Cyanide-Free Electroplating for Gold Coatings: A Review" . | JOURNAL OF SUSTAINABLE METALLURGY (2025) . |
| APA | Zhong, Shuiping , Xu, Tingyu , Chi, Xiaopeng , Tan, Wen , Weng, Wei , Tang, Ding . Cyanide-Free Electroplating for Gold Coatings: A Review . | JOURNAL OF SUSTAINABLE METALLURGY , 2025 . |
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Introducing a conductive carbon layer between the copper foil current collector and silicon active material effectively mitigates electrode damage and battery capacity loss caused by uneven silicon expansion. In this study, a low-cost, environmentally friendly carbon-coated copper foil (CCF) is designed using zeolitic imidazolate framework 8-derived carbon (ZPC) as the carbon source, polyethylenepyrrolidone (PVP) as the binder, and deionized water as the solvent. The large surface area and porosity of ZPC effectively accommodate the volume expansion of silicon, thereby enhancing the overall performance of the battery. The bare copper foil electrode experiences rapid decay, with a failure occurring after just 75 cycles at 0.5 C. In contrast, the CCF electrode maintains a reversible capacity of 576.8 mAh/g even after 200 cycles. The CCF electrode demonstrates superior specific capacity and cycle stability in both the rate and cycling test. According to the relaxation time distribution (DRT) analysis, the porous carbon layer on the CCF surface ensures excellent electrical contact between silicon and the Cu foil during cycling, facilitates uniform lithium insertion into silicon, prevents uncontrolled growth of the SEI layer, and guarantees stable battery operation. This CCF preparation process provides a promising solution to mitigate the degradation of battery performance caused by silicon expansion.
Keyword ：
carbon-coated copperfoil carbon-coated copperfoil current collector current collector lithium-ion battery lithium-ion battery Si Si ZIF-8-derived carbon ZIF-8-derived carbon
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| GB/T 7714 | Yang, Lei , Liu, Hongyu , Zhong, Shuiping et al. Preparing Carbon-Coated Copper Foil with a Low-Cost and Environmentally Friendly Carbon Slurry to Stabilize Silicon Anode for Lithium-Ion Battery [J]. | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (13) : 19648-19656 . |
| MLA | Yang, Lei et al. "Preparing Carbon-Coated Copper Foil with a Low-Cost and Environmentally Friendly Carbon Slurry to Stabilize Silicon Anode for Lithium-Ion Battery" . | ACS APPLIED MATERIALS & INTERFACES 17 . 13 (2025) : 19648-19656 . |
| APA | Yang, Lei , Liu, Hongyu , Zhong, Shuiping , Weng, Wei , Tan, Wen , Chi, Xiaopeng . Preparing Carbon-Coated Copper Foil with a Low-Cost and Environmentally Friendly Carbon Slurry to Stabilize Silicon Anode for Lithium-Ion Battery . | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (13) , 19648-19656 . |
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碳酸锶是维持锌电解顺行的关键添加剂之一.通过盐酸浸出含锶阳极泥获得含锶浸出液,进一步添加碳酸钠析出碳酸锶,实现了从含锶阳极泥回收碳酸锶并返用于锌电解液的新工艺.探究了反应温度、反应时间、液固比、碳酸钠添加量等条件的优化.在浸出温度65 ℃、浸出时间3 h、液固比30 mL/g、碳酸钠添加量为硫酸锶摩尔量的1.5倍时,阳极泥中锶的回收率为37.6％,所获碳酸锶产品含锶42.9％(等同71.5％SrCO3),主要杂质为锌、锰.考虑到Zn2+及Mn2+均为锌电解液的主要离子,因此在所获碳酸锶产品作为添加剂返用于电解液时上述杂质不会对电解过程造成负面影响.研究结果有望为锌冶炼阳极泥中锶资源的回收利用提供参考.
Keyword ：
含锶阳极泥 含锶阳极泥 添加剂 添加剂 碳酸锶 碳酸锶 锌电沉积 锌电沉积
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| GB/T 7714 | 段宇坤 , 邱小玲 , 苏国晖 et al. 含锶阳极泥湿法冶金制备碳酸锶 [J]. | 有色金属（冶炼部分） , 2025 , (4) : 201-208 . |
| MLA | 段宇坤 et al. "含锶阳极泥湿法冶金制备碳酸锶" . | 有色金属（冶炼部分） 4 (2025) : 201-208 . |
| APA | 段宇坤 , 邱小玲 , 苏国晖 , 张文泽 , 迟晓鹏 , 翁威 et al. 含锶阳极泥湿法冶金制备碳酸锶 . | 有色金属（冶炼部分） , 2025 , (4) , 201-208 . |
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为有效回收某高硫铜钨矿石中的有价金属提供可靠技术方案,针对该矿石开展工艺矿物学以及选矿试验研究.多元素化学分析结果表明该高硫铜钨矿石含铜0.26%,含钨1.06%,含硫4.71%,其中主要有价矿石类型为黄铜矿、黑钨矿、白钨矿、黄铁矿.由于该矿石特征复杂,有价矿石综合回收难度较大,根据该矿石工艺矿物学特征,采用原矿重选-磁选-浮选-重选工艺流程综合回收该矿石中的有价金属,并最终获得铜精矿铜品位为18.5%,铜回收率为62.67%,钨精矿品位为65.13%,钨回收率为62.65%,为该矿石有效回收有价金属提供了高效可行方案.
Keyword ：
工艺矿物学 工艺矿物学 浮选 浮选 选矿药剂 选矿药剂 选矿试验 选矿试验 高硫铜钨矿石 高硫铜钨矿石
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| GB/T 7714 | 丁辉 , 洪阳航 , 邓哲元 et al. 某含硫铜钨矿综合回收选矿试验研究 [J]. | 世界有色金属 , 2025 , (2) : 1-4 . |
| MLA | 丁辉 et al. "某含硫铜钨矿综合回收选矿试验研究" . | 世界有色金属 2 (2025) : 1-4 . |
| APA | 丁辉 , 洪阳航 , 邓哲元 , 李恩霖 , 迟晓鹏 . 某含硫铜钨矿综合回收选矿试验研究 . | 世界有色金属 , 2025 , (2) , 1-4 . |
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氰化物具有高毒性,在黄金选冶过程中会产生大量的含氰废水及尾渣亟待处理.随着环保政策的日益完善及人们环保意识的逐渐增强,绿色、无毒的非氰浸金药剂逐渐成为研究热点.在过去几十年中,已研发了三十余种非氰浸金药剂及方法,包括硫脲、硫代硫酸盐、硫氰酸盐、卤化法、多硫化物法和氨基酸等.由于存在种种技术障碍,当前非氰浸金药剂的开发与应用大都集中在实验室规模或中试试验规模.此外,还有部分学者聚焦于新型环保提金药剂的开发与应用.这类提金药剂在某些复杂难处理金矿工业实践中具有比氰化物更好的选择性、更快的浸出速率和安全环保等优点,但也存在药剂耗量较大、使用条件复杂、提金机理不明确,提金尾液污染环境等问题.鉴于此,本文详细介绍了各类浸金药剂的性质,系统阐述和讨论各类药剂的提金机理、发展现状及优缺点,最后总结并展望了各类提金药剂的潜在工业应用前景.
Keyword ：
氰化法 氰化法 浸出机理 浸出机理 浸金药剂 浸金药剂 湿法冶金 湿法冶金 金 金 非氰化法 非氰化法
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| GB/T 7714 | 陈俊南 , 衷水平 , 翁威 et al. 湿法提金技术进展及机理探讨 [J]. | 矿冶 , 2025 , 34 (1) : 1-11 . |
| MLA | 陈俊南 et al. "湿法提金技术进展及机理探讨" . | 矿冶 34 . 1 (2025) : 1-11 . |
| APA | 陈俊南 , 衷水平 , 翁威 , 迟晓鹏 , 谭文 , 蔡教忠 et al. 湿法提金技术进展及机理探讨 . | 矿冶 , 2025 , 34 (1) , 1-11 . |
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Minimizing the dosage of toxic SeO2 additive in electrolyte for electrochemical deposition of metal manganese without compromising the current efficiency has long been the desire for electrolytic manganese industry. Herein, by combinative usage of SeO2 and gluconic acid (GlcA) as the composite additives, 50 % of SeO2 dosage can be cut down while the current efficiency can be increased from 67 % to 90 % at the same time, realizing the energy consumption being reduced by 23 % at the optimized concentration of 1.84 g/L GlcA. The electrochemical tests and electrode surface characterizations as well as density functional theory calculations jointly imply that the addition of GlcA can greatly increase the diffusion coefficient of Mn2+ from 1.5 × 10−6 cm2/s to 5.6 × 10−5 cm2/s, accelerating the approaching of Mn2+ towards the electrode surface by decreasing the diffusion barrier energy from 17.93 kJ/mol to 11.51 kJ/mol. On the electrode surface, the SeO32− is responsible for facilitating the electrochemical deposition of metal Mn by forming the MnSe intermediate while GlcA is in charge of restraining the activation of H2O molecule for inhibiting H2 generation, synergistically contributing to the efficient production of electrolytic metal manganese. The results can provide new insights for the environmentally friendly and high-efficiency upgrading of manganese industry. © 2024 Elsevier Ltd
Keyword ：
Additive Additive Current efficiency Current efficiency Hydrogen evolution Hydrogen evolution Metallic manganese Metallic manganese Toxic selenium dioxide Toxic selenium dioxide
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| GB/T 7714 | Weng, W. , Lan, Y. , Zhang, R. et al. Gluconic acid as the supplementary additive realizing high-efficiency production of metal manganese with decreased dosage of toxic selenium dioxide [J]. | Electrochimica Acta , 2024 , 499 . |
| MLA | Weng, W. et al. "Gluconic acid as the supplementary additive realizing high-efficiency production of metal manganese with decreased dosage of toxic selenium dioxide" . | Electrochimica Acta 499 (2024) . |
| APA | Weng, W. , Lan, Y. , Zhang, R. , Chi, X. , Tan, W. , Tang, D. et al. Gluconic acid as the supplementary additive realizing high-efficiency production of metal manganese with decreased dosage of toxic selenium dioxide . | Electrochimica Acta , 2024 , 499 . |
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High-efficiency reduction of Fe3O4 particles in molten copper slag is the key for recovering slag-entrained copper, although restrained by the sluggish reaction kinetics of commercial powdery reductants with low density. Here, a new strategy by density tuning in conjunction with pelletizing of the powdery reductants is suggested, greatly enhancing the Fe3O4 reduction kinetics and resulting in remarkably facilitating the recovery of slag-entrained copper. Specifically, by replacing the industrially used coal powder with FeS2-C pellets at optimized density, the efficiency of Fe3O4 reduction is significantly increased from 18% to 51%, with the copper content in the low-layer slag being correspondingly enriched from 1.37% to 4.53%. The SEM-EDS characterizations and finite element analytical results all reveal that the enhanced reduction of Fe3O4 by the as-designed reductant contributes to the decrease of slag viscosity and copper exposure, as well as to the size growth of copper matte droplets, resulting in promoted settling of copper-containing components for copper–slag separation in the molten state. Additionally, the full exposure and size growth of copper matte in the molten state facilitate copper reclamation during the subsequent grinding–flotation process of the solidified slag, which increases the copper recovery from 23.3% to 85.3%, with the concentrate grade being correspondingly improved from 2.8% to 6.45% after one-stage flotation. The results can provide new insights into enhancing the recovery of slag-entrained copper. © The Minerals, Metals & Materials Society 2024.
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| GB/T 7714 | Xia, J. , Liu, H. , Chen, H. et al. Density Tuning in Conjunction with Pelletizing of Reductants for Enhanced Recovery from Copper Smelting Slag [J]. | JOM , 2024 , 76 (9) : 4837-4848 . |
| MLA | Xia, J. et al. "Density Tuning in Conjunction with Pelletizing of Reductants for Enhanced Recovery from Copper Smelting Slag" . | JOM 76 . 9 (2024) : 4837-4848 . |
| APA | Xia, J. , Liu, H. , Chen, H. , Chi, X. , Weng, W. , Zhong, S. . Density Tuning in Conjunction with Pelletizing of Reductants for Enhanced Recovery from Copper Smelting Slag . | JOM , 2024 , 76 (9) , 4837-4848 . |
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The precipitation of Fe3O4 particles and the accompanied formation of Fe3O4-wrapped copper structure are the main obstacles to copper recovery from the molten slag during the pyrometallurgical smelting of copper concentrates. Herein, the commercial powdery pyrite or anthracite is replaced with pyrite–anthracite pellets as the reductants to remove a large amount of Fe3O4 particles in the molten slag, resulting in a deep fracture in the Fe3O4-wrapped copper microstructure and the full exposure of the copper matte cores. When 1wt% composite pellet is used as the reductant, the copper matte droplets are enlarged greatly from 25 µm to a size observable by the naked eye, with the copper content being enriched remarkably from 1.2wt% to 4.5wt%. Density functional theory calculation results imply that the formation of the Fe3O4-wrapped copper structure is due to the preferential adhesion of Cu2S on the Fe3O4 particles. X-ray photoelectron spectroscopy, Fourier transform infrared spectrometer (FTIR), and Raman spectroscopy results all reveal that the high-efficiency conversion of Fe3O4 to FeO can decrease the volume fraction of the solid phase and promote the depolymerization of silicate network structure. As a consequence, the settling of copper matte droplets is enhanced due to the lowered slag viscosity, contributing to the high efficiency of copper–slag separation for copper recovery. The results provide new insights into the enhanced in-situ enrichment of copper from molten slag. © University of Science and Technology Beijing 2024.
Keyword ：
copper matte copper matte pyrometallurgical smelting process pyrometallurgical smelting process reductants reductants slag cleaning slag cleaning
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| GB/T 7714 | Chi, X. , Liu, H. , Xia, J. et al. Breaking the Fe3O4-wrapped copper microstructure to enhance copper–slag separation [J]. | International Journal of Minerals, Metallurgy and Materials , 2024 , 31 (10) : 2312-2325 . |
| MLA | Chi, X. et al. "Breaking the Fe3O4-wrapped copper microstructure to enhance copper–slag separation" . | International Journal of Minerals, Metallurgy and Materials 31 . 10 (2024) : 2312-2325 . |
| APA | Chi, X. , Liu, H. , Xia, J. , Chen, H. , Yu, X. , Weng, W. et al. Breaking the Fe3O4-wrapped copper microstructure to enhance copper–slag separation . | International Journal of Minerals, Metallurgy and Materials , 2024 , 31 (10) , 2312-2325 . |
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