In October 2020, METS Ignited Industry Growth Centre announced the consortium of Gold Fields, Orway IQ, CSIRO, Curtin University and Gekko Systems as recipients of the Tranche 4 Collaborative Project Funds. The METS Ignited funding will assist the development of a system to collect and analyse real-time gold reconciliations and automate gold processing plants by providing the technology, software, skills and expertise to the miners as an integrated package.
In a world-first, the project draws together a range of technologies, including the Gekko OLGA and Carbon Scout, and skill sets that are the first step to truly understanding what is happening in a gold production plant in real time and will eventually lead to a fully autonomous gold plant.
Gekko Systems recently installed the OLGA and Carbon Scout at Gruyere (a joint venture between Gold Fields and Gold Road Resources), the site where the project will become reality. The Gekko OLGA and Carbon Scout will revolutionise the industry’s ability to measure gold circuit inventory and recovery in real time, move it into the digital world and provide opportunity for full automation.
OLGA is a world first onstream analyser designed to continuously read low grade gold grades in slurries and solutions, giving operations the ability to see and control their plants in real time. The alternative traditional sampling methods involve significant delays – of up to one or two days for feedback.
The Carbon Scout is a self-contained, ground-level sampling system which will improve carbon concentration measurements in carbon-in-leach and carbon-in-pulp circuits to an accuracy of ±0.5 grams of carbon per litre of pulp. Uniquely, multiple other data points include slurry density, pH, DO and gold loading on carbon. Data profiles are provided in every tank, every hour.
The combination of OLGA and Carbon Scout, supported by the Gekko Sample Delivery System means all CIL/CIP sampling can be done conveniently and safely at ground level. Each tank is sampled by a pumpless delivery system. All samples in the plant including leach feed and tails will be delivered through this system to potentially alleviate the need for expensive cross cut samples.
The team of Orway IQ will deliver the data through the Trinity program. With the MillROC data system and the Gekko technical team utilising the data for system analytics.
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