15 Biomass is a

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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Biomass is a biological material formed from living or recently living organisms,
and is often viewed as a renewable source of energy. As an energy source, biomass
can either be used directly, or converted into other energy products such as biofu-
els. Calculate the chemical exergy of the biomass "pine sawdust" using the follow-
ing composition and other data:
15
Biomass type
Pine sawdust
Moisture content in biomass (by weight)
10%
Elemental analysis (dry basis by weight)
Carbon (C)
50.54%
Hydrogen (H)
7.08%
Oxygen (O)
41.11%
Sulfur (S)
0.57%
Also, determine the molar composition of the product gases when pine sawdust is
combusted according to the following reaction:
C̟H,O, + @H,O+y(O, + 3.76N,) → aCO, + bH,O+ c N,
Transcribed Image Text:Biomass is a biological material formed from living or recently living organisms, and is often viewed as a renewable source of energy. As an energy source, biomass can either be used directly, or converted into other energy products such as biofu- els. Calculate the chemical exergy of the biomass "pine sawdust" using the follow- ing composition and other data: 15 Biomass type Pine sawdust Moisture content in biomass (by weight) 10% Elemental analysis (dry basis by weight) Carbon (C) 50.54% Hydrogen (H) 7.08% Oxygen (O) 41.11% Sulfur (S) 0.57% Also, determine the molar composition of the product gases when pine sawdust is combusted according to the following reaction: C̟H,O, + @H,O+y(O, + 3.76N,) → aCO, + bH,O+ c N,
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