高压纳秒脉冲在岩土材料表面改性中的应用

2017 IEEE 21st International Conference on Pulsed Power (PPC) Pub Date : 2017-06-01 DOI:10.1109/PPC.2017.8291099

I. Bunin, V. Chanturiya, M. Ryazantseva, I. Khabarova, N. Anashkina

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引用次数: 0

摘要

高功率电磁脉冲(HPEMP)在耐蚀含金矿石选矿中的应用看起来很有吸引力，因为该技术可以显著提高湿法冶金(金和银)和重力(PGM)工艺中贵金属的回收率[1-3]。采用物理化学方法(XPS、SEM-EDX、AFM)和显微硬度测量(维氏压痕法)，研究了高压纳秒脉冲对不同半导体性质的硫化矿物和天然介电矿物表层物相组成、理化和工艺(浮选)性能的影响。

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Application of high-voltage nanosecond pulses to surface modification of geomaterials

The application of High-Power Electromagnetic Pulses (HPEMP) in dressing of resistant gold-containing ores appears attractive as this technique provides for a significant increase in precious metal recovery in hydrometallurgical (gold and silver) and gravitational (PGM) processes [1-3]. The present work studies the effect of high-voltage nanosecond pulses on the phase composition of surface layers, physical-chemical and technological (flotation) properties of sulfide minerals with different semiconductor properties and natural dielectric minerals using a complex of physical and chemical methods (XPS, SEM-EDX, AFM), microhardness measurement (Vickers indentation method).

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2017 IEEE 21st International Conference on Pulsed Power (PPC)

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