The analysis of a coal is reported as follows (wt. %) Moisture 2.8 Volatile Matter 26.8...
The analysis of a coal is reported as follows (wt. %) Moisture 2.8 Volatile Matter 26.8 Fixed Carbon 66.1 Ash 4.3 Carbon 79.8 Hydrogen 5.1 Sulfur 0.8 Oxygen 6.0 Nitrogen 1.2 HHV 34MJ/kg (as received) a) Calculate “dry ash-free” proximate and ultimate analyses b) Determine the ASTM rank of the coal c) Calculate the lower heating value of the coal d) Estimate the calorific or heating value using Dulong formula. What is the percent difference from the measured value?
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The analysis of a coal is reported as follows (wt. %) Moisture
2.8 Volatile Matter 26.8...
A furnace is fired with sub bituminous coal with 10.3% moisture, 34% VCM and 7.7% Ash....
A furnace is fired with sub bituminous coal with 10.3% moisture, 34% VCM and 7.7% Ash. It is also known to contain 1.2% N and 1.57% S. It’s HHV is 22 MJ/kg. Find its proximate analysis, modified analysis, ultimate analysis, analysis of the VCM and calorific value of the VCM.
Question 3 [Total Marks- 25 Biomass, Bioenergy and Biomass Supply Chain a) Briefly describe how to use a bomb calorimet...
Question 3 [Total Marks- 25 Biomass, Bioenergy and Biomass Supply Chain a) Briefly describe how to use a bomb calorimeter to measure the higher heating value (HHV of a biomass fuel. 5 Marks] The data for proximate analysis and ultimate analysis of a woody biomass are given in Table 1. The higher heating value (HHV, MJ/kg) of the fuel can be estimated using the equation below: b) HHV-19.914-0.2324 x Ash, where Ash is the weight percentage on dry biomass basis....
Question 3 [Total Marks- 25 Biomass, Bioenergy and Biomass Supply Chain a) Briefly describe how to use a bomb calorimeter to measure the higher heating value (HHV of a biomass fuel. 5 Marks] The data for proximate analysis and ultimate analysis of a woody biomass are given in Table 1. The higher heating value (HHV, MJ/kg) of the fuel can be estimated using the equation below: b) HHV-19.914-0.2324 x Ash, where Ash is the weight percentage on dry biomass basis....
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