Answered: a. % excess air b. Complete orsat…

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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Question

Coal with a heating value of 13,900 BTU/lb is found to have the following analysis:
27.13% VCM, 62.52% FC, 3.24% moisture, 1.28% N and 0.95% S. It is burned in a furnace
in combination with excess air, supplied at 30°C, 760 mmHg, with 80% relative humidity. The refuse is free from combustibles. The stack gas leaves at 270°C, 768 mmHg with partial dry analysis of 9.78% CO2, 2.45% CO. Calculate the following: (round to 4 decimal places)
a. % excess air
b. Complete orsat analysis of the stack gas
c. Ultimate analysis of coal
d. Volume of stack gas, in m3 per 100 kilogram of coal

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