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Inline spinner available from Gekko Systems

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Gekko  InLine spinner is a robust, simple, low maintenance batch centrifugal concentrator for gold concentration. It was originally developed to upgrade concentrates from the InLine pressure jig, a continuous gravity device.

With 60 units installed worldwide and positive feedback from customers, it is clear that the InLine Spinner is a niche product.

Customer comments:

While Kurt Tiedemann was the plant metallurgist for Thunderbox he had this to say about the Gekko gravity circuit but particularly the InLine Spinner

Kurt Tiedemann was impressed at the upgrade Thunderbox gets using Gekko’s gravity setup (IPJ, ISP). Typical feed to the InLine pressure jig ranges from 8-12g/t, with a spinner concentrate product of 3000-4000g/t. With the high recoveries of the ILR, this is an efficient and reliable setup.

Kurt Tiedemann is also impressed with the InLine spinner. Typically upgrades of 5000% plus are seen from this simple, low maintenance unit.

Zero water consumption, no requirement for high quality water addition:

The InLine spinner achieves recovery through creating a vortex on the face of the spinning bowl through the use of an adjustable cutting bar. This design concept ensures the low maintenance and robustness of the spinner when compared to the more complex back flush system used by the Falcon and Knelson concentrator units.

Clearly additional flush water and high quality water is not required to run this unit. In some cases this may save additional water filtration costs. The capital cost for an InLine spinner is also lower.

High availability - low maintenance:

Small numbers of moving parts, simple automation, start up shut down sequence, no requirements to clean narrow orifices.

Lower volume device:

The two units available have max capacity at 3 t/hr and 30t/hr reflecting their traditional focus on concentrate upgrade applications.

The Gekko InLine spinner is targeted for smaller or multiple gravity circuit applications.

Works well on heavy concentrates:

The InLine spinner is an ideal device to recover free gold from heavy material such as jig, table and spiral concentrates.

Unit recovery:

The unit recovery of the spinner is good. Test work undertaken by Andre Laplante and Kundana during P420B AMIRA trials indicated that the spinner recovery correlated well to the GRG test work.

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