7. A sample of coal was found to contain 1% N, 10% ash and 5.8% S. Analysis of the Residue showed uncoked coal with 20.71% VCM lost in the Residue. Orsat analysis of the stack gas shows 8.93% CO2 , 1.56% CO, 0.34% SO2 , 9.87% O2 and 79.3% N2. Assume that N in the coal is gasified to N2 . Calculate: a) complete ultimate analysis of coal (67.11%C, 3.95%H, 12.14%O) b) Complete analysis of the Residue if it contains 37.93% ash (54.16% FC, 7.91% VCM) c) % excess O2 (39.5%)
7. A sample of coal was found to contain 1% N, 10% ash and 5.8% S. Analysis of the Residue showed uncoked coal with 20.71% VCM lost in the Residue. Orsat analysis of the stack gas shows 8.93% CO2 , 1.56% CO, 0.34% SO2 , 9.87% O2 and 79.3% N2. Assume that N in the coal is gasified to N2 . Calculate: a) complete ultimate analysis of coal (67.11%C, 3.95%H, 12.14%O) b) Complete analysis of the Residue if it contains 37.93% ash (54.16% FC, 7.91% VCM) c) % excess O2 (39.5%)
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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Transcribed Image Text:7. A sample of coal was found to contain 1% N, 10% ash and 5.8% S. Analysis of the Residue
showed uncoked coal with 20.71% VCM lost in the Residue. Orsat analysis of the stack gas
shows 8.93% CO2 , 1.56% CO, 0.34% SO2 , 9.87% O2 and 79.3% N2. Assume that N in the
coal is gasified to N2 . Calculate:
a) complete ultimate analysis of coal (67.11%C, 3.95%H, 12.14%0)
b) Complete analysis of the Residue if it contains 37.93% ash
(54.16% FC, 7.91% VCM)
c) % excess O2 (39.5%)
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