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The mines depends on S.G. values to allow copper and cobalt mixtures to run through the underflow of the roaster and thickener (tanks). At the moment, these readings are done manually on an hourly basis, meaning that any fluctuations in the S.G. values during the interval will go unnoticed.
The current practice results in about 2-5% of Cu and Cobalt losses in the roaster and 1-5% losses in the thickener. At times, technicians cheat various ways for fear of repercussions. This also goes unnoticed. There is absolutely no trending of the S.G. values, which is another big challenge.
Do you know of any solutions that have been implemented to get real time S.G. values on SCADA? What would you suggest could be a feasible approach to this challenge, and what type of sensors should be used?
I look forward to hearing from you.
The current practice results in about 2-5% of Cu and Cobalt losses in the roaster and 1-5% losses in the thickener. At times, technicians cheat various ways for fear of repercussions. This also goes unnoticed. There is absolutely no trending of the S.G. values, which is another big challenge.
Do you know of any solutions that have been implemented to get real time S.G. values on SCADA? What would you suggest could be a feasible approach to this challenge, and what type of sensors should be used?
I look forward to hearing from you.