Elementary Principles of Chemical Processes, Binder Ready Version

4th Edition

ISBN: 9781118431221

Author: Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard

Publisher: WILEY

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Textbook Question

Chapter 8, Problem 8.60P

A mixture of n-hexane vapor and air leaves a solvent recovery unit and flows through a 70-cm diameter duct at a velocity of 3.00 m/s. At a sampling point in the duct the temperature is 40°C, the pressure is 850 mm Hg. and the dew point of the sampled gas is 25°C. The gas is fed to a condenser in which it is cooled at constant pressure, condensing 70% of the hexane in the feed.

Perform a degree-of-freedom analysis to show that enough information is available to calculate flic required condenser outlet temperature (°C) and cooling rate (kW).

Perform the calculations.

If the feed duct diameter were 35 cm for the same molar flow rate of the feed gas, what would be the average gas velocity (volumetric flow rate divided by cross-sectional area)?

Suppose you wanted to increase the percentage condensation of hexane for the same feed stream. Which three condenser operating variables might you change, and in which direction?

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Chapter 8, Problem 8.58P

Chapter 8, Problem 8.61P

Chapter 8 Solutions

Elementary Principles of Chemical Processes, Binder Ready Version

Ch. 8 - 8.1. The specific internal energy of formaldehyde...Ch. 8 - Prob. 8.2P Ch. 8 - Prob. 8.3P Ch. 8 - Prob. 8.4P Ch. 8 - Prob. 8.5P Ch. 8 - 8.6. Table B.7 of Appendix B gives the following...Ch. 8 - Prob. 8.7P Ch. 8 - Two formulas for the heat capacity of CO are given...Ch. 8 - 8.9. Table B.2 lists values of the heat capacity...Ch. 8 - Prob. 8.10P

Ch. 8 - Chlorine gas is to be heated front 120°C and 1 atm...Ch. 8 - Prob. 8.12P Ch. 8 - Prob. 8.13P Ch. 8 - Prob. 8.14P Ch. 8 - Use the enthalpy function of APEx to calculate...Ch. 8 - A stream of carbon monoxide flowing at 300 kg/min...Ch. 8 - Prob. 8.17P Ch. 8 - Prob. 8.18P Ch. 8 - Prob. 8.19P Ch. 8 - Prob. 8.20P Ch. 8 - Prob. 8.21P Ch. 8 - Calculate the heat transfer (kJ) required to cool...Ch. 8 - Twenty liters of liquid n-propyl benzoate...Ch. 8 - Prob. 8.24P Ch. 8 - Prob. 8.25P Ch. 8 - Prob. 8.26P Ch. 8 - A fuel gas containing 95 mole% methane and the...Ch. 8 - Prob. 8.28P Ch. 8 - Prob. 8.29P Ch. 8 - Ever wonder why espresso costs much more per cup...Ch. 8 - Prob. 8.31P Ch. 8 - Saturated steam at 300°C is used to heat a...Ch. 8 - Pure ethane is burned completely with preheated...Ch. 8 - An adiabatic membrane separation unit is used to...Ch. 8 - A gas containing water vapor has a dry-basis...Ch. 8 - Prob. 8.36P Ch. 8 - Prob. 8.37P Ch. 8 - Prob. 8.38P Ch. 8 - In the manufacture of nitric acid, ammonia and...Ch. 8 - A natural gas containing 95 mole% methane and the...Ch. 8 - The heat capacity at constant pressure of a gas is...Ch. 8 - Prob. 8.42P Ch. 8 - Prob. 8.43P Ch. 8 - Prob. 8.44P Ch. 8 - Calculate the heat of vaporization of water...Ch. 8 - Polyvinylpyrrolidone (PVP) is a polymer product...Ch. 8 - Benzene vapor at 480°C is cooled and converted to...Ch. 8 - Prob. 8.48P Ch. 8 - Prob. 8.49P Ch. 8 - Prob. 8.50P Ch. 8 - Prob. 8.51P Ch. 8 - Prob. 8.52P Ch. 8 - Prob. 8.53P Ch. 8 - A stream of pure cyclopentane vapor flowing at a...Ch. 8 - Prob. 8.55P Ch. 8 - Prob. 8.57P Ch. 8 - A gas stream containing n-hexane in nitrogen with...Ch. 8 - A mixture of n-hexane vapor and air leaves a...Ch. 8 - An equimolar liquid mixture of n-pentane and...Ch. 8 - A liquid stream containing 50.0 mole% benzene and...Ch. 8 - Prob. 8.63P Ch. 8 - Prob. 8.64P Ch. 8 - Prob. 8.65P Ch. 8 - Prob. 8.66P Ch. 8 - An aqueous slurry at 30°C containing 20.0 wt%...Ch. 8 - Prob. 8.68P Ch. 8 - Prob. 8.69P Ch. 8 - A liquid is placed in a wcll-insulatcd container,...Ch. 8 - A small pharmaceutical firm plans to manufacture a...Ch. 8 - Freeze drying is a technique for dehydrating...Ch. 8 - The manufacturers of a new oatmeal product want to...Ch. 8 - Freeze concentration is used to produce a...Ch. 8 - A mixture containing 35.0 mole% n-butane and the...Ch. 8 - A liquid mixture of benzene and toluene containing...Ch. 8 - Prob. 8.79P Ch. 8 - An outside-air sample is taken on a day when the...Ch. 8 - Prob. 8.83P Ch. 8 - Prob. 8.84P Ch. 8 - Prob. 8.85P Ch. 8 - Wet solids pass through a continuous dryer. Hot...Ch. 8 - Prob. 8.88P Ch. 8 - Prob. 8.93P Ch. 8 - The heat of solution of ammonia in water at 1 atm...Ch. 8 - Prob. 8.96P Ch. 8 - Sodium hydroxide is dissolved in enough water to...Ch. 8 - A sulfuric acid solution is labeled 8 N (where 1 N...Ch. 8 - You are about to dilute 2.00 mol of 100% sulfuric...Ch. 8 - Prob. 8.100P Ch. 8 - A 0.1 mole% caustic soda (NaOH) solution is to be...Ch. 8 - Prob. 8.102P Ch. 8 - Ortho-phosphoric acid (H3PO4) is produced as a...Ch. 8 - Prob. 8.104P Ch. 8 - Fifty milliliters of 100% H2SO4 at 25°C and 84.2...Ch. 8 - Prob. 8.106P Ch. 8 - One g-mole of pure liquid sulfuric acid at...Ch. 8 - Prob. 8.108P Ch. 8 - Prob. 8.110P Ch. 8 - Prob. 8.111P Ch. 8 - Taking as references pure liquid sulfuric acid at...Ch. 8 - Prob. 8.113P Ch. 8 - An NH3-H2O mixture containing 60wt% NH3 is brought...Ch. 8 - Prob. 8.115P

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