# Análisis 141: Hidrocarburo sin quemar (CH4) con informe técnico

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Se analiza la combustión de una mezcla de hidrocarburos que combustiona con un exceso de aire del 160 % sobre el estequiométrico. La combustión es incompleta, siendo la relación molar CO<sub>2</sub>/CO=4.433, además se sabe que en los productos de combustión aparece **13000 ppm de hidrocarburo sin quemar** (CH4).

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El combustible es el siguiente (fracción molar):

CH<sub>4</sub>  --> 40 %

C<sub>2</sub>H<sub>2</sub> --> 30 %

C<sub>2</sub>H<sub>6</sub> --> 25 %

N<sub>2</sub>     --> 5 %

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El balance de materia se apoya en la reacción química CO + H<sub>2</sub>O <--> CO<sub>2</sub> + H<sub>2</sub>, que tiene lugar a la temperatura de los productos de combustión, 1418 ºC (que es la temperatura adiabática de la llama).

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Analizar las variables más importantes del proceso de combustión.

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