Engineering Theory of Leaching

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12CSTR in series
Tracer Tests• Can determine RTD for a given vessel or systemwhether ideal or not• Two common types:– pulse input– step input• In slurry systems, solids and liquid might demonstratedifferent RTDs; separate tests may be desirable todetermine each, and get another measure <strong>of</strong> nonideality13
Page 1 and 2: Engineering Theory of LeachingAn ap
Page 3 and 4: Scale-up• we have to be able to a
Page 5 and 6: Major Process Variables (cont’d)
Page 7 and 8: Moving Forward• A procedure that
Page 9 and 10: 9Generic RTD curve
Page 11: 11Dispersed Plug Flow Model
Page 15 and 16: Step Input Tracer Test• Requires
Page 17 and 18: Fluid Behaviour andBatch Reactor Ki
Page 19 and 20: Macrofluid Behaviour andCSTR Kineti
Page 21 and 22: Leaching Particle Batch/ContinuousK
Page 23 and 24: With Correspondence inKinetics Esta
Page 25 and 26: Utility of Method• This approach
Page 27: Example batch-to-continuouscalculat
Page 30: 30Batch oxidation results at 185 o
Page 34 and 35: 34To normalize, all the zinc concen
Page 38: 38In the final columns, we form the

Engineering Theory of Leaching

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