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A bituminous coal has the following compositions: C = 71.6 % N2 = 1.3 % A = 9.1 % H2 = 4.8 % S = 3.4 % W = 3.5 % O2 = 6.3 % The dilution coefficient is 1.35 and the coal consumption is 11,762 kg/hr. Determine:  the actual air-fuel ratio required for combustion; and  the actual air required per hour.

A bituminous coal has the following compositions: C = 71.6 % N2 = 1.3 % A = 9.1 % H2 = 4.8 % S = 3.4 % W = 3.5 % O2 = 6.3 % The dilution coefficient is 1.35 and the coal consumption is 11,762 kg/hr. Determine:  the actual air-fuel ratio required for combustion; and  the actual air required per hour.

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 bituminous coal has the following compositions:

C = 71.6 %

N2 = 1.3 %

A = 9.1 %

H2 = 4.8 %

S = 3.4 %

W = 3.5 %

O2 = 6.3 %

The dilution coefficient is 1.35 and the coal consumption is 11,762 kg/hr. Determine:

  •  the actual air-fuel ratio required for combustion; and
  •  the actual air required per hour.
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