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SOLVED: A 1000 kg/hr mixture of 30 wt% acetic acid and 70 wt% water is to be fed to a countercurrent extraction process. The solvent is 99 wt% isopropyl ether and 1 wt% acetic acid, and has an inlet flow rate of 2500 kg/hr. The exiting raffinate stream should contain 5 wt% acetic acid.a) Find the number of equilibrium stages necessary to achieve this separation.b) Calculate exiting raffinate and extract stream flow rates.

SOLVED: A 1000 kg/hr mixture of 30 wt% acetic acid and 70 wt% water is to be fed to a countercurrent extraction process. The solvent is 99 wt% isopropyl ether and 1 wt% acetic acid, and has an inlet flow rate of 2500 kg/hr. The exiting raffinate stream should contain 5 wt% acetic acid.a) Find the number of equilibrium stages necessary to achieve this separation.b) Calculate exiting raffinate and extract stream flow rates.

$Purification of an Antibiotic by Countercurrent Extraction A countercurrent extraction unit with three equilibrium stages is used for the separation of a desired antibiotic (partition coefficient =6.0 ) from a major contaminant (partition coefficient =1.0 ) in an aqueous feed stream. The feed (or raffinate) and extract phase flow rates are equal. What fraction of each is discarded from the raffinate? Assuming that the feed contains only these two components at an antibiotic-to-contaminant ratio$

Purification of an Antibiotic by Countercurrent Extraction A countercurrent extraction unit with three equilibrium stages is used for the separation of a desired antibiotic (partition coefficient =6.0 ) from a major contaminant (partition coefficient =1.0 ) in an aqueous feed stream. The feed (or raffinate) and extract phase flow rates are equal. What fraction of each is discarded from the raffinate? Assuming that the feed contains only these two components at an antibiotic-to-contaminant ratio

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Two-Stage Countercurrent Extraction In a two-stage countercurrent extraction of a pharmaceutical product, what is the relationship between the feed concentration and the final raffinate concentration in terms of the extraction factor E if both stages are at equilibrium? For a partition coefficient K of 5.0 and a solvent-to-feed ratio (S / F) of 0.5, what will be the ratio of the raffinate concentration to the feed concentration? | Numerade

Two-Stage Countercurrent Extraction In a two-stage countercurrent extraction of a pharmaceutical product, what is the relationship between the feed concentration and the final raffinate concentration in terms of the extraction factor E if both stages are at equilibrium? For a partition coefficient K of 5.0 and a solvent-to-feed ratio (S / F) of 0.5, what will be the ratio of the raffinate concentration to the feed concentration? | Numerade

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