Biomass Fuels - Calculated HHV (Btu/lb) Values
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This program calculates the Fuel High Heat Value (HHV) for many biomass fuels such
as wood, refuse, crops, agricultural residues, foods, fossil fuels, inorganic materials, paper,
rubber materials, plant materials (non woody), woody and tree materials and municipal
soild waste to mention a few. There are three fuel high heat values that you see in use today
including the most popular HHVas received:
a. HHV (Btu/lb wet) with ash and moisture – also called HHV(Btu/lb)as received
b. HHV(Btu/lb bone dry) with ash & without moisture
c. HHV (Btu/lb bone dry) without ash & without moisture
To run these calculations the program needs the Percent Weight Ultimate Analysis (Dry
Basis) such as hydrogen, carbon, sulfur, nitrogen oxygen chlorine and ash. The program
also needs the Percent Moisture Wet Basis. Also if you input the Wet Mass Flow of the
Fuel (lbs wet/hour) the program will calculate Heat Input (Btu/hr)HHV Basis and the Ash
Produced (lbs bone dry/hour) and the Mass Flow of Water (lbs water/hour) entering with
the Fuel.
This program also calculates the amount of air required for combustion and determines the
amount of water vapor in the Flue Gas.
Computer Program Example
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