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A gas absorption tower of diameter 2 m contains ceramic Raschig rings randomly packed to a height m. Air containing a small proportion of sulphur dioxi passes upwards through the absorption tower at a fl rate of 6 m3/s. The viscosity and density of the gas

A gas absorption tower of diameter 2 m contains ceramic Raschig rings randomly packed to a height m. Air containing a small proportion of sulphur dioxi passes upwards through the absorption tower at a fl rate of 6 m3/s. The viscosity and density of the gas

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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A gas absorption tower of diameter 2 m contains ceramic Raschig rings randomly packed to a height of 5 m. Air containing a small proportion of sulphur dioxide passes upwards through the absorption tower at a flow rate of 6 m3/s. The viscosity and density of the gas may be taken as 1.80 x 10-5 Pa.s and 1.2 kg/m3 respectively. Details of the packing is given below: Ceramic Raschig rings Surface area per unit volume of packed bed is 190 m2/m3. Voidage of randomly packed bed = 0.71 (a) Calculate the diameter of a sphere with the same surface - volume ratio as the Raschig rings. (b) Calculate the pressure drop across the packing in the tower.
Transcribed Image Text:A gas absorption tower of diameter 2 m contains ceramic Raschig rings randomly packed to a height of 5 m. Air containing a small proportion of sulphur dioxide passes upwards through the absorption tower at a flow rate of 6 m3/s. The viscosity and density of the gas may be taken as 1.80 x 10-5 Pa.s and 1.2 kg/m3 respectively. Details of the packing is given below: Ceramic Raschig rings Surface area per unit volume of packed bed is 190 m2/m3. Voidage of randomly packed bed = 0.71 (a) Calculate the diameter of a sphere with the same surface - volume ratio as the Raschig rings. (b) Calculate the pressure drop across the packing in the tower.
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