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学者姓名：衷水平
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Abstract ：
Electrochemical conversion of hypertoxic trivalent arsenic to value-added metallic arsenic can not only contribute to pollution abatement, but also resources reutilization, therefore being widely explored. Electrochemical reduction of trivalent arsenic as a promising way is widely explored. However, the high efficiency conversion is retarded by the sluggish reduction kinetics of AsO33− and fierce evolution of side products of both H2 and toxic AsH3. Herein, by using the sodium citrate as the additive, the current efficiency for metal arsenic production is increased greatly from 60% to 91%, with the accompanied evolution of hypertoxic AsH3 being restrained from 0.15 Nm3/tAs to 0.022 Nm3/tAs, promising a high-efficiency and green process. The electrochemical tests and electrode surface characterizations as well as DFT calculations indicate that the added sodium citrate promotes both the diffusion of reactive AsO33− towards the cathode and its subsequent adsorption on the Ti cathode, contributing to smoother reduction for generating metal arsenic, with the evolution of toxic AsH3 being hindered at the same time. The results can provide new insights for the high-efficiency and greener conversion of hypertoxic trivalent arsenic to value-added metallic arsenic. © 2024
Keyword ：
Cathodes Cathodes Efficiency Efficiency Electrochemical electrodes Electrochemical electrodes Electrolytic reduction Electrolytic reduction Sodium compounds Sodium compounds
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| GB/T 7714 | Zhong, Shuiping , Xu, Tingyu , Chen, Hang et al. Sodium citrate enhancing electrodeposition of metallic arsenic from toxic trivalent arsenic and the mechanism understanding [J]. | Journal of Environmental Sciences (China) , 2025 , 151 : 79-87 . |
| MLA | Zhong, Shuiping et al. "Sodium citrate enhancing electrodeposition of metallic arsenic from toxic trivalent arsenic and the mechanism understanding" . | Journal of Environmental Sciences (China) 151 (2025) : 79-87 . |
| APA | Zhong, Shuiping , Xu, Tingyu , Chen, Hang , Tang, Ding , Tan, Wen , Weng, Wei et al. Sodium citrate enhancing electrodeposition of metallic arsenic from toxic trivalent arsenic and the mechanism understanding . | Journal of Environmental Sciences (China) , 2025 , 151 , 79-87 . |
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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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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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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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The novel amidoxime-based collectors, 4-pyridylamidoxime (PA), 3-ethyl-4-pyridylamidoxime (EPA), and 3methyl-5-tert-butyl-4-pyridylamidoxime (MBPA), were introduced in the lead-free flotation separation of wolframite from quartz and calcite. Compared with PA, EPA, and the traditional collector benzohydroxamic acid (BHA), MBPA exhibited a better separation and recovery capacity to wolframite ore. 4.0 x 10(-4) mol/L MBPA recovered more than 80 % wolframite, similar to 24 % calcite, and similar to 26 % quartz at pH 8.0 without Pb2+ ions. Under the same conditions, BHA only floated out less than 35 % wolframite. The adsorption amount results exhibited a stronger adsorption ability of MBPA than BHA on wolframite surface. Further, the results of zeta-potential, FTIR, XPS and density functional theory (DFT) calculation revealed that MBPA could chemisorb on wolframite surface to form -N-Fe and -O-Fe bonds. MBPA had stronger electron-donating ability and weaker electron-accepting ability than BHA, which exhibited higher reaction activity. It was clear that MBPA was an excellent collector in the lead-free flotation separation of wolframite from calcite and quartz.
Keyword ：
Calcite Calcite Chelation Chelation Lead-free flotation Lead-free flotation Quartz Quartz Selectivity Selectivity Wolframite Wolframite
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| GB/T 7714 | Zeng, Guangsheng , Weng, Wei , Zhong, Shuiping et al. Amidoxime collectors: Lead-free flotation performance and adsorption mechanism in the separation of wolframite, quartz and calcite [J]. | MINERALS ENGINEERING , 2025 , 222 . |
| MLA | Zeng, Guangsheng et al. "Amidoxime collectors: Lead-free flotation performance and adsorption mechanism in the separation of wolframite, quartz and calcite" . | MINERALS ENGINEERING 222 (2025) . |
| APA | Zeng, Guangsheng , Weng, Wei , Zhong, Shuiping , Chi, Xiaopeng , Cai, Jiaozhong , Tan, Wen et al. Amidoxime collectors: Lead-free flotation performance and adsorption mechanism in the separation of wolframite, quartz and calcite . | MINERALS ENGINEERING , 2025 , 222 . |
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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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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 , 11 (2) : 735-753 . |
| MLA | Zhong, Shuiping et al. "Cyanide-Free Electroplating for Gold Coatings: A Review" . | JOURNAL OF SUSTAINABLE METALLURGY 11 . 2 (2025) : 735-753 . |
| 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 , 11 (2) , 735-753 . |
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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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Coating a carbon layer on the surface of the current collector can enhance the performance of lithium-ion batteries by improving the interfacial conductivity and the adhesion of the active material. However, traditional carbon-coated copper foil uses hydrophobic graphite as the conductive material, which has poor dispersion and adhesion to the binder, and the preparation process requires the use of environmentally harmful organic solvents. In this work, carboxylated carbon nanosheets (CCN) are synthesized via a simplified ball-milling method utilizing graphite and dry ice as starting materials, and a water-based carbon slurry is formulated, employing environmentally friendly deionized water as the solvent. By coating the CCN-coated copper foil surface with a commercially proportioned graphite slurry, we fabricate electrodes that exhibit exceptional rate performance and cycle stability. In situ impedance combined with the distribution of relaxation times analysis reveals that the CCN layer between the active material and the copper foil not only ensures a stable and fast conductive connection but also reduces side reactions caused by uneven lithiation. This work provides insights into the rational design of battery structures and the preparation of environmentally friendly carbon slurries.
Keyword ：
carbon-coated copperfoil carbon-coated copperfoil conductivelayer conductivelayer current collector current collector lithium-ion battery lithium-ion battery surface modification surface modification
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| GB/T 7714 | Zhong, Shuiping , Liu, Hongyu , Yang, Lei et al. Environmentally Friendly Water-Based Carbon Slurry with Carboxylated Carbon Nanosheets for Optimizing the Electrode-Collector Interface in Lithium-Ion Batteries [J]. | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (7) : 10593-10602 . |
| MLA | Zhong, Shuiping et al. "Environmentally Friendly Water-Based Carbon Slurry with Carboxylated Carbon Nanosheets for Optimizing the Electrode-Collector Interface in Lithium-Ion Batteries" . | ACS APPLIED MATERIALS & INTERFACES 17 . 7 (2025) : 10593-10602 . |
| APA | Zhong, Shuiping , Liu, Hongyu , Yang, Lei , Weng, Wei , Tan, Wen . Environmentally Friendly Water-Based Carbon Slurry with Carboxylated Carbon Nanosheets for Optimizing the Electrode-Collector Interface in Lithium-Ion Batteries . | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (7) , 10593-10602 . |
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Electrochemical fixation of CO2 in molten salts as carbides for catalyzing the hydrogen evolution reaction can contribute to carbon neutrality and value-added conversion of CO2 as well as facilitate the production of sustainable green hydrogen energy. However, the functional ability of the CO2-derived carbides still needs to be substantially improved. Herein, heterostructuring the CO2-derived Mo2C layer with MoP2 is realized via electrosplitting of CO2 in Ca3(PO4)2-containing molten salt. The as-designed Mo2C-MoP2 heterostructure layer presents significantly improved HER performances, namely overpotential being 109 mV @ 100 mA cm-2 and stability for 600 h @ 200 mA cm- 2 , greatly outperforming both the bare Mo2C layer and commercial Pt candidates. The superior performances of the Mo2C-MoP2 heterostructure are in one way attributed to the modified electronic structure that decrease the energy barrier of the Volmer rate-determining step for HER. In another way, the Mo2C-MoP2 dual-phase increases the hydrophilicity ability of the catalytic layer, accelerating the detachment of the H2 bubbles. The results can provide new insights for both value-added fixation of carbon dioxide and preparation of high-performance non-noble electrocatalyst.
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| GB/T 7714 | Zhong, Shuiping , Lei, Tianhan , Liang, Licong et al. Heterostructuring the CO2-derived Mo2C layer with MoP2 via molten salt electrolysis for efficient hydrogen evolution reaction [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 96 : 485-493 . |
| MLA | Zhong, Shuiping et al. "Heterostructuring the CO2-derived Mo2C layer with MoP2 via molten salt electrolysis for efficient hydrogen evolution reaction" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 96 (2024) : 485-493 . |
| APA | Zhong, Shuiping , Lei, Tianhan , Liang, Licong , Chi, Xiaopeng , Weng, Wei , Cheng, Chen et al. Heterostructuring the CO2-derived Mo2C layer with MoP2 via molten salt electrolysis for efficient hydrogen evolution reaction . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 96 , 485-493 . |
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