FLSmidth reported it will deliver an integrated dry stack tailings solution and a paste fill plant to a Hindustan Zinc Limited (HZL) lead-zinc mine in Rajpura Dariba, Rajasthan. The order includes design, engineering, procurement, supply of equipment, and commissioning. The supplier will deliver two Automatic Filter Presses, two E-Disc filters and one 26-m-diameter High-Density Thickener.

The solution will be completed by February 2022, and is designed to ensure environmental sustainability, the supplier reported. HZL could recover around 85% of process water for reuse. The low-moisture cake from the E-disc filter can be used for backfilling.

FLSmidth said the order proved the quality and flexibility of the technology. “This project resolves the customer’s challenge through optimum utilization of available space and ensures the paste backfill requirements are met with the lowest pos