Why is autoignition for lighter hydrocarbon higher than for heavier hydrocarbon?
Answers
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28/06/2016
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A:
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Sarin Reghunath, BPCL - Kochi Refinery, sarinreghunath@gmail.com
Generally the autoignition temperature for hydrocarbon/air mixtures decreases with increasing molecular mass and increasing chain length. The autoignition temperature is also higher for branched-chain hydrocarbons than for straight-chain hydrocarbons.
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28/10/2015
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Gamal Abou Senna, Alexandria Mineral Oils Co. (AMOC), gamal@amocalex.com
Autoignition of the hydrocarbon is related to the presence of volatile materials in the hydrocarbon which are included in lighter hydrocarbon more than heavier hydrocarbons
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