Pyrite with analysis of 78% FeS2 is burned with 25% excess air (FeS2 ® SO3). 85% of the FeS2 burned was converted to SO2 and the rest to SO3. While 15% of the FeS2 charged was lost in the cinder.  Cinder analysis shows 4.8%w SO3.  The total weight of the cinder is a) 75.08 kg                       c) 81.80 kg                        b) 77.87 kg                          d) 51.76 kg

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
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Pyrite with analysis of 78% FeS2 is burned with 25% excess air (FeS2 ® SO3). 85% of the FeS2 burned was converted to SOand the rest to SO3. While 15% of the FeS2 charged was lost in the cinder.  Cinder analysis shows 4.8%w SO3.  The total weight of the cinder is

a) 75.08 kg                       c) 81.80 kg                        b) 77.87 kg                          d) 51.76 kg

 

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