Mass Transfer
The rate of solid-liquid extraction is limited by the

Diffusion of the solute through the solvent in the pores to the outside of the particle
All of these
Phase change of the solute as it dissolves in the solvent
Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Bollman extractor

Employs only counter-current extraction
Is a centrifugal extractor
Is used for extraction of oil from oilseed
Is a static bed leaching equipment

ANSWER DOWNLOAD EXAMIANS APP