Coal Its Composition Analysis Utilization And Valuation
Coal Its Composition Analysis Utilization And Valuation
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0065 less ash than the amount as actually weighed up. Using this corrected value gives, 1- (0. 0472+0. 0482+0. 0405) =0. 8641 as the amount of residual coal as against 0. 8576 by the first calculation. The calorific value of the sample is therefore, 0. 8641X8243+0. 0405X2250 = 7214 calories as against 7160 calories with the uncorrected ash and 7199 calories as actually determined in a bomb calorimeter. The calculated value with the uncorrected ash is 39 calories lower than the value determined ...in the calorimeter while the calculated value with the corrected ash is 15 calories higher or a difference of 24 calories in favor of the result by the corrected ash.
As further illustration, samples of Ohio No. 6 coal, samples Nos. 92 and 93 in Bulletin No. 9 of the Ohio Geological Survey contain nearly the same amount of ash but differ in sulphur by 1. 53 per cent. The moisture, ash and sulphur and determined calorific values are as follows: Sample No. 92.
Sample No. 93.
Moisture Ash 5. 25 9 86 5.
What to read after Coal Its Composition Analysis Utilization And Valuation?
You can find similar books in the "Read Also" column, or choose other free books by E E Edward Elsworth Somermeier to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
0065 less ash than the amount as actually weighed up. Using this corrected value gives, 1- (0. 0472+0. 0482+0. 0405) =0. 8641 as the amount of residual coal as against 0. 8576 by the first calculation. The calorific value of the sample is therefore, 0. 8641X8243+0. 0405X2250 = 7214 calories as against 7160 calories with the uncorrected ash and 7199 calories as actually determined in a bomb calorimeter. The calculated value with the uncorrected ash is 39 calories lower than the value determined ...in the calorimeter while the calculated value with the corrected ash is 15 calories higher or a difference of 24 calories in favor of the result by the corrected ash.
As further illustration, samples of Ohio No. 6 coal, samples Nos. 92 and 93 in Bulletin No. 9 of the Ohio Geological Survey contain nearly the same amount of ash but differ in sulphur by 1. 53 per cent. The moisture, ash and sulphur and determined calorific values are as follows: Sample No. 92.
Sample No. 93.
Moisture Ash 5. 25 9 86 5.
What to read after Coal Its Composition Analysis Utilization And Valuation?
You can find similar books in the "Read Also" column, or choose other free books by E E Edward Elsworth Somermeier to read onlineMoreLess
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