Questions tagged [process-engineering]

Process engineering focuses on the design, operation, control, and optimization of chemical, physical, and biological processes.

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Recommended models for mineral liberation in crushers

I'm investigating comminution processes at work, and from my studies I know that there are different breakage models for different modes (Compression, attrition, fracture etc). So far I have only seen population models for ball mills in use. These…
MMerry
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What is exactly dead-burnt lime, and why is less reactive than quicklime?

When producing lime on a lime kiln, there exists the possibility of overburning the original limestone and producing the so-called dead-burnt lime, with a much lower reactivity than quicklime. Some informal source states that dead-burnt lime is just…
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Safety stock - how to determine how many multiples of the standard error measurement one should use?

I am trying to work out the best formula to use for calculating the safety stock to be used in Heijunka/production levelling. According to this article, the best approach is to use the root mean squared error as the metric for process variation. …