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1. Which dictates the probability of extraction? a. separation factor b. phase ratio c. distribution ratio d. recovery factor

1. Which dictates the probability of extraction? a. separation factor b. phase ratio c. distribution ratio d. recovery factor

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Please answer the following practice questions about adsorption and solvent extraction

1. Which dictates the probability of extraction? a. separation factor b. phase ratio c. distribution ratio d. recovery factor 2. Which among the following is the benefit of low phase ratio? a. Increased enrichment factor b. Increased recovery C. B and A d. None among the other choices 3. In solvent extraction, which among the phases below must contain the fewest amount of desired metal ions? a. Effluent b. Eluent C. Eluant d. Raffinate e. Eluate 4. Which among the following does not describe a good extractant? a. Low solubility in water b. Low flammability C. Low toxicity d. High stability 5. Which among the adsorption isotherms can be applied for high pressure cases? a. BET b. Langmuir C. Freundlich d. BET, Langmuir, and Freundlich e. None of the choices 6. Which is the slowest step in adsorption kinetics? a. Pore diffusion b. Bulk diffusion C. Mass transfer boundary layer diffusion d. Surface diffusion 7. If the Langmuir adsorption model is used, which part of the graph should be used to determine the adsorbent's maximum adsorption capacity? 1 a. qe b. C. 1 d. Qº 8. Which among the adsorption isotherms can be applied when the equilibrium concentration is much lower than the saturation concentration? a. BET b. Langmuir C. Freundlich 1 kQo 1
Transcribed Image Text:1. Which dictates the probability of extraction? a. separation factor b. phase ratio c. distribution ratio d. recovery factor 2. Which among the following is the benefit of low phase ratio? a. Increased enrichment factor b. Increased recovery C. B and A d. None among the other choices 3. In solvent extraction, which among the phases below must contain the fewest amount of desired metal ions? a. Effluent b. Eluent C. Eluant d. Raffinate e. Eluate 4. Which among the following does not describe a good extractant? a. Low solubility in water b. Low flammability C. Low toxicity d. High stability 5. Which among the adsorption isotherms can be applied for high pressure cases? a. BET b. Langmuir C. Freundlich d. BET, Langmuir, and Freundlich e. None of the choices 6. Which is the slowest step in adsorption kinetics? a. Pore diffusion b. Bulk diffusion C. Mass transfer boundary layer diffusion d. Surface diffusion 7. If the Langmuir adsorption model is used, which part of the graph should be used to determine the adsorbent's maximum adsorption capacity? 1 a. qe b. C. 1 d. Qº 8. Which among the adsorption isotherms can be applied when the equilibrium concentration is much lower than the saturation concentration? a. BET b. Langmuir C. Freundlich 1 kQo 1
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