Subject: Azeotropes and approximate residue curve map for the system n-hexane methanol - methyl acetate at 1 atm Given:. Ternary system n-hexane - methanol - methyl acetate at 1 atm. Find: All binary and ternary azeotropes from suitable references. Approx

Exercise 6.1
Subject: Given: Simultaneous absorption and stripping. Fig. 6.1 in which simultaneous absorption and stripping occur.
Find: Whether absorption and stripping is more important. Stripping of water = 22 kmol/h Absorption of acetone = 10.35 kmol/

Exercise 5.1
Subject: Three-column interlinked cascade for a four-component system.
Given: Configuration for a two-column interlinked cascade for a three-component system Find: Devise the three-column cascade. Analysis: The system is shown in the sketch b

Exercise 4.1
Subject: Degrees of freedom analysis for a three-phase equilibrium stage. Given: Equilibrium stage of Figure 4.35, with two feeds (one vapor, one liquid), vapor entering from stage below, liquid entering from stage above, three exiting stream

Exercise 1.1 (i)
Known: Fluorocarbons can be produced from the reaction of carbon tetrachloride and hydrogen fluoride followed by a number of separation steps. Given: Flow diagram and a brief description of a fluorocarbons production process in "Chemical

Exercise 15.1
Subject: Estimation of adsorbent characteristics.
Given: Porous particles of activated alumina. BET area = 310 m2/g = Sg. Particle porosity = 0.48 = p. Particle density = 1.30 g/cm3 = p. Assumptions: Straight pores of circular cross-section

Exercise 13.1
Subject: Evaporation of a small amount of n-heptane (C7) from a drum of toluene (T).
Given: A drum of toluene containing 2 mol% C7. Simple batch differential (Rayleigh) distillation at 1 atm. Vapor-liquid equilibrium data for the C7-toluene

Exercise 10.1
Subject: Independency of MESH equations Given: Equations (10-1), (10-3), (10-4), and (10-6).
Prove: Equation (10-6) is not independent of the other 3 equations Analysis: Eq. (10-6) can be derived from the other 3 equations as follows, as out

Exercise 9.1
Subject: Selection of type condenser and operating pressure for distillation of propionic and n-butyric acids. Given: Distillate of 95 mol% propionic acid. Bottoms of 98 mol% n-butyric acid. Assumptions: Ideal solutions so that Raoult's K-val

Exercise 8.1
Subject: Extraction vs. Distillation.
Given: Dilute mixture of benzoic acid in water. Find: Why liquid-liquid extraction is the preferred separation method. Analysis: At 1 atm, the boiling point of benzoic acid is 249.2OC. Thus, if a dilute s

Exercise 7.1
Subject: Comparison of absorption, distillation, and stripping
Find: Differences between absorption and distillation, and stripping and distillation Analysis: Absorption Feed is gas Second phase (absorbent) is added Operation can be adiabatic

Exercise 6.1
Subject: Given: Simultaneous absorption and stripping. Fig. 6.1 in which simultaneous absorption and stripping occur.
Find: Whether absorption and stripping is more important. Stripping of water = 22 kmol/h Absorption of acetone = 10.35 kmol/

Exercise 3.1
Subject: Evaporation of a mixture of ethanol (AL) and ethyl acetate (AC) from a beaker into still air within the beaker. Given: Initial equimolar mixture of AL and AC, evaporating into still air at 0oC and 1 atm. Vapor pressures and diffusivi

Exercise 13.1
Subject: Evaporation of a small amount of n-heptane (C7) from a drum of toluene (T).
Given: A drum of toluene containing 2 mol% C7. Simple batch differential (Rayleigh) distillation at 1 atm. Vapor-liquid equilibrium data for the C7-toluene

Exercise 10.1
Subject: Independency of MESH equations Given: Equations (10-1), (10-3), (10-4), and (10-6).
Prove: Equation (10-6) is not independent of the other 3 equations Analysis: Eq. (10-6) can be derived from the other 3 equations as follows, as out

Exercise 8.1
Subject: Extraction vs. Distillation.
Given: Dilute mixture of benzoic acid in water. Find: Why liquid-liquid extraction is the preferred separation method. Analysis: At 1 atm, the boiling point of benzoic acid is 249.2OC. Thus, if a dilute s

Exercise 7.1
Subject: Comparison of absorption, distillation, and stripping
Find: Differences between absorption and distillation, and stripping and distillation Analysis: Absorption Feed is gas Second phase (absorbent) is added Operation can be adiabatic