ELEM.PRIN.OF CHEMICAL PROC.-W/ACCESS
4th Edition
ISBN: 9781119330745
Author: FELDER
Publisher: WILEY
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Textbook Question
Chapter 6, Problem 6.97P
A stream of 5.00 wt% oleic acid in cottonseed oil enters an extraction unit at a rate of 100.0 kg/h. The unit operates as a single equilibrium stage (the streams leaving the unit are in equilibrium) at 85°C. At this temperature, propane and cottonseed oil are essentially immiscible, the vapor pressure of propane is 34 atm, and the distribution coef?cient (oleic acid mass fraction in propane/oleic acid mass fraction in cottonseed oil) is 0.15.
(a) Calculate the rate at which liquid propane must be fed to the unit to extract 90% of the oleic acid.
(b) Estimate the minimum operating pressure of the extraction unit. Explain your answer.
(c) High-pressure operation is costly and introduces potential safety hazards. Suggest two possible reasons for using propane as the solvent when other less volatile hydrocarbons are equally good solvents for oleic acid.
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Chapter 6 Solutions
ELEM.PRIN.OF CHEMICAL PROC.-W/ACCESS
Ch. 6 - Ten mL of pure liquid water in a cylinder with a...Ch. 6 - A quantity of methyl acetate is placed in an open,...Ch. 6 - Ethyl alcohol has a vapor pressure of 20.0 mm Hg...Ch. 6 - Prob. 6.4PCh. 6 - Prob. 6.5PCh. 6 - Prob. 6.6PCh. 6 - Prob. 6.7PCh. 6 - Prob. 6.8PCh. 6 - Prob. 6.9PCh. 6 - Prob. 6.10P
Ch. 6 - Prob. 6.11PCh. 6 - Prob. 6.12PCh. 6 - Prob. 6.13PCh. 6 - Air at 50% relative humidity is cooled...Ch. 6 - Prob. 6.15PCh. 6 - Prob. 6.16PCh. 6 - Air at 90°C and 1.00 atm (absolute) contains 10.0...Ch. 6 - When fermentation units are operated with high...Ch. 6 - When you step out of a shower, the temperature in...Ch. 6 - A fuel cell is an electrochemical device in which...Ch. 6 - Prob. 6.21PCh. 6 - Prob. 6.22PCh. 6 - Prob. 6.23PCh. 6 - Prob. 6.24PCh. 6 - Prob. 6.25PCh. 6 - Prob. 6.26PCh. 6 - Prob. 6.27PCh. 6 - Prob. 6.28PCh. 6 - An air conditioner is designed to bring 10.000...Ch. 6 - Prob. 6.30PCh. 6 - Prob. 6.31PCh. 6 - Prob. 6.32PCh. 6 - A gas stream containing 40.0 mole% hydrogen, 35.0%...Ch. 6 - Prob. 6.34PCh. 6 - In the manufacture of an active pharmaceutical...Ch. 6 - Prob. 6.36PCh. 6 - In the ?nal stage of the manufacturing process...Ch. 6 - Prob. 6.38PCh. 6 - A fuel gas containing methane and ethane is burned...Ch. 6 - A mixture of propane and butane is burned with...Ch. 6 - An important parameter in the design of gas...Ch. 6 - A liquid stream consisting of 12.5 mole% n-butane...Ch. 6 - Nitric acid is a chemical intermediate primarily...Ch. 6 - Prob. 6.44PCh. 6 - Sulfur trioxide (SO3) dissolves in and reacts with...Ch. 6 - State whether you would use Raoult’s law or Henrys...Ch. 6 - A gas containing nitrogen, benzene, and toluene is...Ch. 6 - Prob. 6.48PCh. 6 - Prob. 6.49PCh. 6 - A conelation for methane solubility in...Ch. 6 - Prob. 6.51PCh. 6 - The constituent partial pressures of a gas in...Ch. 6 - Prob. 6.53PCh. 6 - Prob. 6.54PCh. 6 - Prob. 6.55PCh. 6 - Prob. 6.56PCh. 6 - Prob. 6.57PCh. 6 - Prob. 6.58PCh. 6 - Nitrogen is bubbled through a liquid mixture that...Ch. 6 - Prob. 6.60PCh. 6 - Prob. 6.61PCh. 6 - Prob. 6.62PCh. 6 - The feed to a distillation column (sketched below)...Ch. 6 - Prob. 6.64PCh. 6 - Prob. 6.65PCh. 6 - Prob. 6.66PCh. 6 - Prob. 6.67PCh. 6 - Prob. 6.68PCh. 6 - Prob. 6.69PCh. 6 - Prob. 6.70PCh. 6 - A methanol-water feed stream is introduced to a...Ch. 6 - Prob. 6.72PCh. 6 - In this problem you will use a spreadsheet to...Ch. 6 - Prob. 6.74PCh. 6 - Prob. 6.75PCh. 6 - Prob. 6.76PCh. 6 - Acetaldehyde is synthesized by the catalytic...Ch. 6 - Dehydration of natural gas is necessary to prevent...Ch. 6 - A two-unit process is used to separate H2S from a...Ch. 6 - Prob. 6.80PCh. 6 - Prob. 6.81PCh. 6 - Prob. 6.82PCh. 6 - Prob. 6.83PCh. 6 - A solution containing 100 lbm KNO3/100 Ibm H2O at...Ch. 6 - A 10.0 wt% aqueous solution of sodium chloride is...Ch. 6 - Potassium dichromate (K2Cr2O7) is to be recovered...Ch. 6 - Prob. 6.87PCh. 6 - Prob. 6.88PCh. 6 - Sodium bicarbonate is synthesized by reacting...Ch. 6 - An ore containing 90 wt% MgSO4(H2O and the balance...Ch. 6 - An aqueous waste stream leaving a process contains...Ch. 6 - A solution of diphenyl (MW = 154.2) in benzene is...Ch. 6 - An aqueous solution of urea (MW = 60.06) freezes...Ch. 6 - Prob. 6.94PCh. 6 - Derive Equation 6.54 for the boiling-point...Ch. 6 - Prob. 6.96PCh. 6 - A stream of 5.00 wt% oleic acid in cottonseed oil...Ch. 6 - Benzene and hexane are being considered as...Ch. 6 - Acetone is lo be extracted with n-hexane from a...Ch. 6 - Prob. 6.100PCh. 6 - Prob. 6.101PCh. 6 - Five kilograms of a 30 wt% acetone70% water...Ch. 6 - An aqueous acetone solution is fed at a rate of...Ch. 6 - Prob. 6.104PCh. 6 - Prob. 6.105PCh. 6 - Air at 25°C and 1 atm with a relative humidity of...Ch. 6 - Prob. 6.107PCh. 6 - Prob. 6.108PCh. 6 - Various amounts of activated carbon were added to...
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