a) What is the kg of lime per kmol of burner gas? b) What is the kg of water for slaking per kmol of burner gas?

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
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Bisulfite liquor having 81% FeS2, in a burner together with excess air. The burner
gas, 5.84% SO2, 9.72% O2 and 84.44% N2, enters the absorption tower charged with
lime, 82% CaQ. 16% MgO and 2% inerts. The liquor produced hold 7.05% SO2,
1.15% of it is "free" and the rest as bisulfites. The cinder exiting the burner contains
8.29% FeS2 and 3.81% SO3.
Assume that no conversion takes place in the tower and only O2 and N2 is in the
waste gas.
a) What is the kg of lime per kmol of burner gas?
b) What is the kg of water for slaking per kmol of burner gas?
Transcribed Image Text:Bisulfite liquor having 81% FeS2, in a burner together with excess air. The burner gas, 5.84% SO2, 9.72% O2 and 84.44% N2, enters the absorption tower charged with lime, 82% CaQ. 16% MgO and 2% inerts. The liquor produced hold 7.05% SO2, 1.15% of it is "free" and the rest as bisulfites. The cinder exiting the burner contains 8.29% FeS2 and 3.81% SO3. Assume that no conversion takes place in the tower and only O2 and N2 is in the waste gas. a) What is the kg of lime per kmol of burner gas? b) What is the kg of water for slaking per kmol of burner gas?
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