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What is the Calorific Value of 1 Litre of LPG? Energy Content Explained

Discover the calorific value of 1 litre of LPG, ranging from 25.5 to 28.7 MJ, based on propane and butane composition.

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Video transcript

The calorific value of 1 litre of LPG is approximately 25.5 to 28.7 megajoules (MJ). This variance depends on the mix of propane and butane in the LPG, determining its energy release during combustion.

Questions and answers

  1. What factors affect the calorific value of LPG?

    The calorific value of LPG varies depending on the ratio of propane to butane present in the mixture, which influences its overall energy content.

  2. How does the calorific value of LPG compare to other fuels?

    LPG typically has a high calorific value per litre, generally higher than petrol but lower than pure propane or natural gas on a volume basis.

  3. Why is the calorific value range of LPG given instead of a fixed number?

    Because the composition of LPG can vary between propane and butane percentages, the energy content fluctuates, resulting in a range rather than a single fixed value.

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For a deeper understanding of fuel energy values, explore our related articles on the calorific values of diesel, petrol, and natural gas. These resources provide comprehensive comparisons to help you optimize energy usage and fuel choices.