Journal
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
Volume 87, Issue 2, Pages 94-104Publisher
INST CHEMICAL ENGINEERS
DOI: 10.1016/j.psep.2008.06.003
Keywords
Flammability limits; Experimental measurement; Numerical analysis; Binary hydrocarbon mixtures; Le Chatelier's Law
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Funding
- Mary Kay O'Connor Process Safety Center, Artie McFerrin Department of Chemical Engineering, Texas AM University
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The flammability limits of binary hydrocarbon mixtures in air were measured in a combustion apparatus using an innovative method developed for this apparatus. The experimental results were obtained at standard conditions (room temperature and ambient atmospheric pressure) with upward flame propagation. The experimentally determined flammability limits for pure hydrocarbons (methane and ethylene) were compared with existing data reported in the literature. Le Chatelier's Law was fit to all experimental data to obtain LFLs and UFLs for various two-component combinations of saturated and unsaturated hydrocarbons (methane, ethylene, acetylene, propane, propylene, and n-butane). A modification of this law was used if experimental observations showed large deviations from Le Chatelier's predictions. Also, experimentally measured flammability limit data of the binary hydrocarbon mixtures were analytically related to the stoichiometric concentrations. (C) 2008 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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