Study on the Physiochemical Properties of Liquefied Petroleum Gas Available by Cylinders in Bangladesh
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The work analyzed the composition and other physiochemical properties of liquefied petroleum gas (LPG mixture available in Bangladesh by cylinder. LPG Composition (C2-C6), Butadiene, Total Sulfur, Cu Corrosion, Relative Density and Vapor Pressure were determined by respective ASTM methods. Free water content was measured visually and odour tested by smell detection. Data from nine samples were used to compare with ASTM and Indian Standards. The results of this analysis revealed that the LPG contains propane and butane with a certain range of ratio. But that has no free water content. The total Sulfur content is within the permissible limit according to ASTM Standards. The samples do not have corrosive hydrogen sulfide. The vapor pressure is lower than the maximum limit and have very low linear relationship with relative density. The calorific value is highly dependent on the propane and butane content and moderately related to the relative density. Compared to ASTM and Indian standards, the examined LPG mixtures are found to be safe for the tropical country.
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