Question: TUTORIAL 5- Leaching 1. Particles having an average diameter of approximately 2.0 mm are leached in a batch type apparatus with a large volume of

TUTORIAL 5- Leaching 1. Particles having an average diameter of approximately

TUTORIAL 5- Leaching 1. Particles having an average diameter of approximately 2.0 mm are leached in a batch type apparatus with a large volume of solvent. The concentration of the solute A in the solvent is kept approximately constant. A time of 3.11 hr is needed to leach 80% of the available solute from the solid. Assuming that diffusion in the solid is controlling and the effective diffusivity is constant, calculate the time of leaching if the particle size is reduced to 1.5 mm

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