Plants in Europe sometimes use the mineral pyrites (containing FeS2 and inerts) as a source of SO2 for theproduction of sulphite pulping liquor. Pyrite rock containing 48.0% sulphur is burned completely with dryair by flash combustion. All the iron forms Fe3O4 in the cinder or the product gas. The gas from such afurnace is passed through milk of lime (CaO in water) absorbers to produce bisulfite pulping liquor. Theexit gas from the absorber analyzes: SO2 0.7%, O2 2.9%, and N2 96.4%. Calculate the air supplied to theburner per kg of the pyrites burned.FeS2 + O2 → Fe3O4 + SO2 5) Plants in Europe sometimes use the mineral pyrites (containing FeS2 and inerts) as a source of SO, for theproduction of sulphite pulping liquor. Pyrite rock containing 48.0% sulphur is burned completely with dryair by flash combustion. All the iron forms Fe,0, in the cinder or the product gas. The gas from such afurnace is passed through milk of lime (Cao in water) absorbers to produce bisulfite pulping liquor. Theexit gas from the absorber analyzes: SO20.7%, O2 2.9%, and N2 96.4%. Calculate the air supplied to theburner per kg of the pyrites burned.LOFeSz + 02 → Fez04 + S02

Here the reaction is as follows; 3FeS2+8O2 → Fe3SO4+6 O2 Here the problem is a steady-state one…

Answered: 5) Plants in Europe sometimes use the…

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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Plants in Europe sometimes use the mineral pyrites (containing FeS2 and inerts) as a source of SO2 for the
production of sulphite pulping liquor. Pyrite rock containing 48.0% sulphur is burned completely with dry
air by flash combustion. All the iron forms Fe3O4 in the cinder or the product gas. The gas from such a
furnace is passed through milk of lime (CaO in water) absorbers to produce bisulfite pulping liquor. The
exit gas from the absorber analyzes: SO2 0.7%, O2 2.9%, and N2 96.4%. Calculate the air supplied to the
burner per kg of the pyrites burned.

FeS2 + O2 → Fe3O4 + SO2

5) Plants in Europe sometimes use the mineral pyrites (containing FeS2 and inerts) as a source of SO, for the
production of sulphite pulping liquor. Pyrite rock containing 48.0% sulphur is burned completely with dry
air by flash combustion. All the iron forms Fe,0, in the cinder or the product gas. The gas from such a
furnace is passed through milk of lime (Cao in water) absorbers to produce bisulfite pulping liquor. The
exit gas from the absorber analyzes: SO20.7%, O2 2.9%, and N2 96.4%. Calculate the air supplied to the
burner per kg of the pyrites burned.
LO
FeSz + 02 → Fez04 + S02

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