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3. Pyrite analyzing 78% FeS, and 22% gangue is burned at the rate of 1000 kg/hr. Analysis of the cinder shows 7.22% S as unburned FeS2 and SO3 absorbed by Fe,03 and 27.9% gangue. Air supplied is 70% in excess based on conversion of FeS, to SO2. The ratio of SO2 to SO3 in the burner gas is 3.48:1. Calculate: a) % excess air(FeS2 to SO3) (24.67%) b) % of the FeS, charged lost in the cinder (12.03%) c) Complete analysis of the burner gas (6.28% ŠO2 9.58% O2 , 82.34% N,, 1.8% SO, )

3. Pyrite analyzing 78% FeS, and 22% gangue is burned at the rate of 1000 kg/hr. Analysis of the cinder shows 7.22% S as unburned FeS2 and SO3 absorbed by Fe,03 and 27.9% gangue. Air supplied is 70% in excess based on conversion of FeS, to SO2. The ratio of SO2 to SO3 in the burner gas is 3.48:1. Calculate: a) % excess air(FeS2 to SO3) (24.67%) b) % of the FeS, charged lost in the cinder (12.03%) c) Complete analysis of the burner gas (6.28% ŠO2 9.58% O2 , 82.34% N,, 1.8% SO, )

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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3. Pyrite analyzing 78% FeS, and 22% gangue is burned at the rate of 1000 kg/hr. Analysis of the cinder shows 7.22% S as unburned FeS2 and S03 absorbed by Fe,0z and 27.9% gangue. Air supplied is 70% in excess based on conversion of FeS2 to SO2 . The ratio of SO2 to S03 in the burner gas is 3.48:1. Calculate: a) % excess air(FeS2 to SO3) (24.67%) b) % of the FeS, charged lost in the cinder (12.03%) c) Complete analysis of the burner gas (6.28% SO2 9.58% O2 , 82.34% N2 , 1.8% SO3 )
Transcribed Image Text:3. Pyrite analyzing 78% FeS, and 22% gangue is burned at the rate of 1000 kg/hr. Analysis of the cinder shows 7.22% S as unburned FeS2 and S03 absorbed by Fe,0z and 27.9% gangue. Air supplied is 70% in excess based on conversion of FeS2 to SO2 . The ratio of SO2 to S03 in the burner gas is 3.48:1. Calculate: a) % excess air(FeS2 to SO3) (24.67%) b) % of the FeS, charged lost in the cinder (12.03%) c) Complete analysis of the burner gas (6.28% SO2 9.58% O2 , 82.34% N2 , 1.8% SO3 )
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