FLSmidth breaks ground with gravity concentration

big gold nugget in front of a mound of gold

FLSmidth has launched the Knelson GX Concentrating Cones to enhance recovery of precious metals.

The GX Cone offers improved performance by increasing recovery and reducing downtime.

FLSmidth’s patented design allows the Knelson GX to improve recovery through its water distribution within each ring of the cone.

Water that enters from the base of the GX Cone is moved through zone separator nozzles to provide a customisable fluidisation profile.

This enables even distribution of water in each ring while the design also increases the active recovery surface area.

“As water enters from the base, it flows through zone separator nozzles for a customisable fluidisation profile,” FLSmidth stated.

“This allows for even distribution of water in each ring; the new design also significantly increases the active recovery surface area. The result is a step change in overall coarse and fine gold recovery.”

The Knelson GX is made from abrasion-resistant polyurethane compound which reduces maintenance and operation costs.

FLSmidth head of global product line manager for precious metal recovery Mike Lefler said the new GX Concentrating Cone is the result of more than 40 years of research.

“The new Knelson GX Concentrating Cone is the culmination of over 40 years of research and operational experience and is exciting news for our customers,” he said.

“It delivers a win-win-win scenario: Better recovery, less water use and less downtime due to easier maintenance.

“In short, it helps customers produce more with less resources.”

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