The Chromite Tailings Re-treatment Plant (CTRP) on the western limb of the Bushveld Igneous Complex (BIC) was the first chromite processing plant of its kind and has served as the model for each of the Sylvania Dump Operations built subsequently. It was constructed in 2004, under the ownership of the RK1 consortium, of which Sylvania would acquire a 25% interest, on the revolutionary concept of extracting low-cost, low-risk platinum group metals (PGMs) from the tailings of the many chromite mines in the area.

While the PGM content found naturally in the chromite seams of the BIC has always been too low to mine economically, these metals become concentrated in the tailings of the chrome mines which exploit these seams. This creates a valuable new source of PGMs, which can be accessed in a more environmentally-positive way.

Key features

Location: North West Province, 4km east of the town of Kroondal
Ownership: 25% Sylvania Platinum, 25% Ivanhoe Platinum, 50% Aquarius Platinum
Comprises: Chrome tailings re-treatment plant recovering PGM concentrate
Safety record: No serious safety incidents to date
Access and infrastructure: Plant located at the Kroondal Mine (Aquarius Platinum), connected directly to the N4 national highway via tarred road; national railway grid in close proximity
Feed sources: Surrounding Xstrata and Bayer chrome tailings dumps, and current risings
Production capacity: 20,000tpm of combined dump material and current arisings (Please refer to Appendix 9 of the latest Venmyn Competent Person’s Report)
PGM prill split: Pt=61.0%, Pd=22.0%, Rh=16.0%, Au=0.5%
First year of full operation: 2006
Production figures: Please refer to Sylvania’s latest quarterly results

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