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A furnace produces a stack gas that has an analysis of 8.93% CO2, 1.56% CO, 0.34% SO2, 9.87% O2 and the rest N2. The coal burnt contains 1.7% N, 15% ash, and 5.5% S. While the refuse contains uncoked coal with 20.71% HV lost. Calculate: (a) Complete ultimate analysis of coal; (b) Complete analysis of the refuse if it contains 37.93% ash; (c) % excess air. Establish basis as 100 kg of coal.

A furnace produces a stack gas that has an analysis of 8.93% CO2, 1.56% CO, 0.34% SO2, 9.87% O2 and the rest N2. The coal burnt contains 1.7% N, 15% ash, and 5.5% S. While the refuse contains uncoked coal with 20.71% HV lost. Calculate: (a) Complete ultimate analysis of coal; (b) Complete analysis of the refuse if it contains 37.93% ash; (c) % excess air. Establish basis as 100 kg of coal.

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
Section: Chapter Questions
Problem 1.1P
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A furnace produces a stack gas that has an analysis of 8.93% CO2, 1.56% CO, 0.34% SO2, 9.87% O2 and the rest N2. The coal burnt contains 1.7% N, 15% ash, and 5.5% S. While the refuse contains uncoked coal with 20.71% HV lost. Calculate: (a) Complete ultimate analysis of coal; (b) Complete analysis of the refuse if it contains 37.93% ash; (c) % excess air. Establish basis as 100 kg of coal.

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