Nous sommes des experts de premier plan dans l'intégration de la technologie de tri des minerais.
STARK possède l'expertise nécessaire pour mettre en œuvre presque toutes les technologies minières sur le terrain et dans les friches industrielles. Installations de séparation en milieu dense (DMS), traceurs RFID, broyage sélectif, séparation magnétique ; quels que soient vos besoins, nous pouvons les satisfaire. En tant qu'experts dans la fourniture d'usines Greenfield à partir de zéro, nous pouvons améliorer et recalibrer pratiquement tous les aspects de votre usine, ce qui se traduit par des avantages considérables en termes de coûts et un délai de récupération rapide.
Cependant, STARK peut également fournir des solutions qu'aucun autre opérateur ne peut offrir.
Les avantages de la mise en œuvre d'une technologie de tri des minerais dans les projets de niveau 1:
- Installer des solutions modulaires intégrées, qui peuvent être prêtes dans les deux semaines suivant l'arrivée sur le site.
- Délai de récupération rapide, souvent de quelques mois seulement.
- Augmenter le nombre de tonnes exploitables, récupérer les décharges, détourner les types de minerais pour accéder à des revenus auparavant inaccessibles, diminuer les coûts de transport et réduire les résidus.
- Réduire la consommation d'eau jusqu'à 100 % et la consommation d'énergie jusqu'à 80 %.
- Minimiser l'utilisation des réactifs.
Après l'analyse initiale du gisement, nous nous concentrons sur les avantages immédiats en termes de liquidités, car toutes les améliorations qui entraînent une augmentation du rendement du gisement constituent un bénéfice supplémentaire de 100 %.
Nos clients et partenaires disent
Lucara's Karowe mine stands alone in the global context of large diamond recovery as the only location to recover 4 diamonds larger than 1,000 carats. As an early adaptor of sensor-based primary diamond recovery from sized run of mine material, the Stark Team over the years has been instrumental in the design, process flow, construction and commissioning of the XRT circuits. The results are a testament to incredible team work, excellent process flow, and an innovative circuit combined with a truly unique diamond deposit.
John Armstrong
Vice President Technical Services
We acquired an updated stand-alone XRT plant and within a very short space of time recovered the 91O ct D-colour Lesotho Legend diamond at Letšeng. This must surely rank as one of the best ROIs that has ever been seen!
Clifford Elphick
Chief Executive Officer
During COVID lockdown the team replaced 5 COMS XRT sorters, washing screens along with XRT building expansion. This was planned remotely with the Karowe Process and Engineering teams, and executed on the ground. At the height of the global pandemic this work was completed safely, on time and on budget, under challenging circumstances - a testament to their ability to plan and execute.
John Armstrong
Vice President Technical Services
Is a single test sufficient for determining ore sorting suitability in an orebody?
You may be under the misconception that ore sorting suitability can be determined with a single test. The sensors and software advancements available with modern technology are continuously evolving, and many assets have only been tested with one type of ore sorter. STARK uses the most advanced orebody analysis techniques to check whether a different approach might yield positive results. We’re able to source ore sorters from the entire market.
Beyond this, assets need to be comprehensively tested, with multiple samples taken from material including a high, low, and average expected feed. Tier 1 miners may think they need more advanced capacities than STARK can provide, but it’s often the case that only a small segment, or a specific size class, of total feed streams needs to be sorted for value add.
Other objections can include fears that original plant designs didn’t include sorting, or that it adds an extra layer of complexity to a simple, already smooth operation. However, this is another misconception — we independently integrate and apply equipment to reduce downstream chemical processing requirements and tailings, which makes the operation easier as well as cheaper.
At the very least, it’s worth a brief call to see whether we can help.
The two key sorting approaches we use
are XRT sorting and UV laser sorting.
XRT Sorting
XRT sorting is based on the mining principle that different materials absorb X-rays to varying degrees. For example, lithium-bearing ores absorb X-rays differently to host rocks such as clays or granites.
By measuring the intensity of the X-rays which make it through material, XRT sorting equipment can distinguish between valuable and worthless material, like how a doctor can distinguish bone through soft tissue on an X-ray scan.
Waste rock rejection by XRT sorting is typically coarse (within the -50 to +10mm fraction), and high capacity, targeting the specific atomic density of the waste rock. It’s the unique density range which sees waste removed from the feed material, improving the ore grade being fed into subsequent unit processes.
World-first laser sorting technology
Of course, you often only need XRT sorting to generate a saleable product. However, where a product still needs to be upgraded – in the case of lithium ore, up to SC6 quality – we roll out our unique selling point: the world’s first UV laser ore sorting technology. The valuable material that has made it through the XRT sorters is sent through the plant process to UV sorting.
Although STARK doesn’t develop or supply the technology itself, the company has facilitated the integration of the world’s first UV sorting application in hard rock lithium mining.
Additional benefits to your business
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INCREASED
PROFITABILITY
Run your mineral processing operation more efficiently and profitably by integrating our RFID tracer technology. Monitor your plant in real time with no shut-down time to introduce the tracers.
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REAL-TIME
DATA
Mining is about volume and efficiencies. Monitor your fit-for-purpose, custom-built dashboard and have access to actionable data to make smart decisions and optimise immediately.
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RESPONSIBLE USE
OF RESOURCES
Reduce the negative impact of mining and do as little harm as possible. Reduce waste, don’t lose any ore that will need to be reprocessed and ensure efficient allocation of resources. Improve the safety of your employees.
Contact us
Any questions?
We are always at your service.
Ryan Szabo
B.Tech Mech Engineering
PROJECT MANAGER
ryan@stark-resources.com
+49 177 242 5901