Evaluation of high voltage pulse discharge in resource processing applications: A review

Abstract

Breakage is an important step in the resource processing chain. However, the mechanical crushing methods commonly used today suffer from low energy efficiency and high dust levels. Promoting environmental protection and improving energy efficiency are crucial to advancing China’s circular economy. Mining companies are actively exploring novel and innovative technologies to significantly cut down on operating costs and minimize emissions of dust and pollutants generated during processing. Recently, high voltage pulse discharge (HVPD) technology has received widespread attention and has been reported to have good application prospects in resource processing. This paper presents an extensive review of the operational principles of HVPD and the unique characteristics it engenders, such as non-polluting, selective material fragmentation, pre-weakening, pre-concentration, and enhanced permeability of coal seams. Additionally, this review explores the potential and obstacles confronting HVPD in industrial contexts, offering fresh insights for HVPD optimization and providing guidance and prospects for industrial deployment and further development.

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