Evaporation of benzene from an open tank.An open tank, 10 ft in diameter, containing benzene at 25oC is exposed to air. Above the liquid surface is a stagnant air film 0.2 in. thick. If the pressure is 1 atm and the air temperature is 25oC, what is the loss of benzene in lb/day? The specific gravity of benzene at 60oF is 0.877. The concentration of benzene outside the film is negligible. For benzene, the vapor pressure at 25oC is 100 torr, and the diffusivity in air is 0.08 cm2/s.
Evaporation of benzene from an open tank.An open tank, 10 ft in diameter, containing benzene at 25oC is exposed to air. Above the liquid surface is a stagnant air film 0.2 in. thick. If the pressure is 1 atm and the air temperature is 25oC, what is the loss of benzene in lb/day? The specific gravity of benzene at 60oF is 0.877. The concentration of benzene outside the film is negligible. For benzene, the vapor pressure at 25oC is 100 torr, and the diffusivity in air is 0.08 cm2/s.
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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Evaporation of benzene from an open tank.
An open tank, 10 ft in diameter, containing benzene at 25oC is exposed to air. Above the liquid surface is a stagnant air film 0.2 in. thick. If the pressure is 1 atm and the air temperature is 25oC, what is the loss of benzene in lb/day? The specific gravity of benzene at 60oF is 0.877. The concentration of benzene outside the film is negligible. For benzene, the vapor pressure at 25oC is 100 torr, and the diffusivity in air is 0.08 cm2/s.
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