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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
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Show complete solution. Box all final answers. Basis: 100 kmols of Burner gas (BG)

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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 SOs and formation of H,SO. in the tower. Calculate: a. kg pyrites/ kmol of BG b. kg of SO3 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
Transcribed Image Text: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 SOs and formation of H,SO. in the tower. Calculate: a. kg pyrites/ kmol of BG b. kg of SO3 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
kg of bisulfite liquor/kg of pyrite * 10.0345 kg of water for slaking/kmol of BG 7.9012 3.1661 35.2181 4.4954 5.3834 kg of SO3 in cinder/kmol of BG * 0.1997 0.0715 kg of pyrites/kmol of BG * 0.2746 6.710 0.0520 8.6829 9.2285 kg of lime/kmol of BG * O 6.3131 3.7732 O 2.6543 O 2.5204
Transcribed Image Text:kg of bisulfite liquor/kg of pyrite * 10.0345 kg of water for slaking/kmol of BG 7.9012 3.1661 35.2181 4.4954 5.3834 kg of SO3 in cinder/kmol of BG * 0.1997 0.0715 kg of pyrites/kmol of BG * 0.2746 6.710 0.0520 8.6829 9.2285 kg of lime/kmol of BG * O 6.3131 3.7732 O 2.6543 O 2.5204
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