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The analysis of a coal indicates 60 wt% C, 35% H, 2% S, and the balance noncombustible ash. The coal is burned at a rate of 300,000 kg/h, and pure oxygen is fed with 5% in excess. All of the noncombustible ash and 20% of the carbon in the fuel leave the furnace as a molten slag; the remainder of the carbon leaves in the stack gas as CO and CO2; the hydrogen in the coal is oxidized to water, and the sulfur emerges as SO,. The selectivity of CO2 to CO production is 5:1. (MW C=12, H=1, S=32.1, O-=16). Calculate the flow rate in ft/min of oxygen not used in this process at 35 psig, and 68°F.

The analysis of a coal indicates 60 wt% C, 35% H, 2% S, and the balance noncombustible ash. The coal is burned at a rate of 300,000 kg/h, and pure oxygen is fed with 5% in excess. All of the noncombustible ash and 20% of the carbon in the fuel leave the furnace as a molten slag; the remainder of the carbon leaves in the stack gas as CO and CO2; the hydrogen in the coal is oxidized to water, and the sulfur emerges as SO,. The selectivity of CO2 to CO production is 5:1. (MW C=12, H=1, S=32.1, O-=16). Calculate the flow rate in ft/min of oxygen not used in this process at 35 psig, and 68°F.

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
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The analysis of a coal indicates 60 wt% C, 35% H, 2% S, and the balance noncombustible ash. The coal is burned at a rate of 300,000 kg/h, and pure oxygen is fed with 5% in excess. All of the noncombustible ash and 20% of the carbon in the fuel leave the furnace as a molten slag; the remainder of the carbon leaves in the stack gas as CO and CO2; the hydrogen in the coal is oxidized to water, and the sulfur emerges as SO,. The selectivity of CO2 to CO production is 5:1. (MW C=12, H=1, S=32.1, 0-=16). Calculate the flow rate in ft?/min of oxygen not used in this process at 35 psig, and 68°F.
Transcribed Image Text:The analysis of a coal indicates 60 wt% C, 35% H, 2% S, and the balance noncombustible ash. The coal is burned at a rate of 300,000 kg/h, and pure oxygen is fed with 5% in excess. All of the noncombustible ash and 20% of the carbon in the fuel leave the furnace as a molten slag; the remainder of the carbon leaves in the stack gas as CO and CO2; the hydrogen in the coal is oxidized to water, and the sulfur emerges as SO,. The selectivity of CO2 to CO production is 5:1. (MW C=12, H=1, S=32.1, 0-=16). Calculate the flow rate in ft?/min of oxygen not used in this process at 35 psig, and 68°F.
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