Category Archives: News

Mining and chemical refining are among the most water-intensive industries in the world. Rare earth element processing is no exception. Large volumes of water are consumed at every stage, from ore grinding and leaching to dust suppression and tailings management.

The refining of rare earth elements (REEs) is one of the most technically demanding processes in the critical minerals supply chain. Each stage, whether leaching ores in strong acids or selectively precipitating individual elements, relies on solid-liquid separation to ensure product purity and process efficiency.

Rare earth elements (REEs) may represent only small fractions of the materials used in modern technologies, but their impact is enormous. From electric vehicles (EVs) and wind turbines to consumer electronics and defense systems, REEs are essential to the clean energy transition and national security.

Lithium-ion batteries are central to the electrification of transportation and renewable energy storage. But as volumes of end-of-life batteries increase, recycling technologies must evolve to reduce costs, minimize environmental impact, and recover materials efficiently.

Hydrometallurgical battery recycling has emerged as one of the most effective methods for recovering high-purity metals from end-of-life batteries. Unlike pyrometallurgy—which requires high temperatures and produces significant emissions—hydrometallurgy uses chemical processes at lower energy inputs, making it more sustainable and more compatible with the circular economy.

Graphite is the dominant material used in lithium-ion battery anodes, making it a critical enabler of the electrification economy. More than 95% of today’s EV batteries rely on graphite based anodes for conductivity, stability, and performance. As demand for electric vehicles and grid-scale energy storage grows, so too does the need for battery-grade natural graphite that meets stringent quality standards.

The global transition to electric mobility and renewable energy storage has placed lithium ion battery materials production at the center of the clean energy economy. Electric vehicles (EVs) are driving exponential demand for battery-grade materials, while grid-scale storage systems are expanding the reach of wind and solar power.

BHS is expanding our process drying rental units with the AVA horizontal, vertical dryer-mixers as well with our ring-layer mixer. 

BHS provides a broad range of modern and flexible technologies for producing electrode pastes.

This article reviews the optimization of the selection of the final drying technology in conjunction with the upstream continuous solid-liquid filtration.