Pyrites analyzing 81% FeS2 and 19% gangue is burned in excess air to produce a burner gas with an Orsat analysis of 5.84% SO2, 9.72% O2 and 84.44% Na. Analysis of the cinder shows 8.29% unburned FeS2 and 3.81% SO3. The gases from the burner are cooled and made to come into contact with Milk of Lime in an absorption tower. The dolomitic lime used is 82% Cao, 16% Mgo and 2% inerts. The bisulfite liquor produced contains 7.05% total SO2 of which 1.15% is "free" and the rest 5.9% being present as bisulfites. An analysis of the dry waste gas shows that it contains only O2 and N2. Assuming no further oxidation of SO2 to SO3 and formation of H;SO. in the tower. Calculate: a. kg pyrites/ kmol of BG b. kg of SOs in cinder/ kmol of BG c. kg of bisulfite liquor/ kg of pyrite d. kg of lime/ kmol of BG e. kg of water for slaking/ kmol of BG
Pyrites analyzing 81% FeS2 and 19% gangue is burned in excess air to produce a burner gas with an Orsat analysis of 5.84% SO2, 9.72% O2 and 84.44% Na. Analysis of the cinder shows 8.29% unburned FeS2 and 3.81% SO3. The gases from the burner are cooled and made to come into contact with Milk of Lime in an absorption tower. The dolomitic lime used is 82% Cao, 16% Mgo and 2% inerts. The bisulfite liquor produced contains 7.05% total SO2 of which 1.15% is "free" and the rest 5.9% being present as bisulfites. An analysis of the dry waste gas shows that it contains only O2 and N2. Assuming no further oxidation of SO2 to SO3 and formation of H;SO. in the tower. Calculate: a. kg pyrites/ kmol of BG b. kg of SOs in cinder/ kmol of BG c. kg of bisulfite liquor/ kg of pyrite d. kg of lime/ kmol of BG e. kg of water for slaking/ kmol of BG
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter5: Gases
Section: Chapter Questions
Problem 130E
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Show complete solution. Box all final answers. Basis: 100 kmols of Burner gas (BG)
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