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LPG Composition & Properties

The document provides information about the densities and calorific values of propane and butane in both liquid and gas forms. It then lists the composition by volume of an LPG mixture supplied in Kot Ghulam Muhammad, Pakistan, which is 41.3% propane, 20.45% iso-butane, 34.5% n-butane, and smaller amounts of other components. Based on the propane and butane content, ideal properties of the mixture are estimated as having a liquid density of 546.3 kg/m3, gas density of 1.8 kg/m3, calorific value when liquid of 114,625 Btu/gallon, and calorific value when

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Mirza Aatir Salman
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53 views3 pages

LPG Composition & Properties

The document provides information about the densities and calorific values of propane and butane in both liquid and gas forms. It then lists the composition by volume of an LPG mixture supplied in Kot Ghulam Muhammad, Pakistan, which is 41.3% propane, 20.45% iso-butane, 34.5% n-butane, and smaller amounts of other components. Based on the propane and butane content, ideal properties of the mixture are estimated as having a liquid density of 546.3 kg/m3, gas density of 1.8 kg/m3, calorific value when liquid of 114,625 Btu/gallon, and calorific value when

Uploaded by

Mirza Aatir Salman
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as XLSX, PDF, TXT or read online on Scribd
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Density of Propane (kg/m3) Average Calorific Value

UL LL
Liquid 500 510 505 92,500 Btu/gallon
Gas 1.4 1.55 1.475 2,500 Btu/f3

Density of Butane (kg/m3)


UL LL
Liquid 570 580 575 130,000 Btu/gallon
Gas 1.9 2.1 2 3,200 Btu/f3

LPG Mixture supplied at Kot Ghulam Muhammad has the following composition (vol %)
Propane 41.3
Iso-Butane 20.45
n-Butane 34.5
Iso-Pentane 3.11
n-Pentane 0.12
Neo-Pentane 0.54
Hexane traces

Rough estimation
Propane 41%
Butane 59%

Ideal Properties of this mixture may be estimated as follows:


Density (liquid) 546.3 kg/m3 34.1 lb/f3
Density (gas) 1.8 kg/m3 0.1 lb/f3
CV (liquid) 114,625 Btu/gallon
CV (gas) 2,913 Btu/f3
MMBtu/ton

59.85

56.50
3286 4107.337 -95.0228 -2%
4882

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