Aldehyde formation in spark ignition engines

José Ricardo Sodré*, Theles De Oliveira Costa

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The formation process of formaldehyde and acetaldehyde in the exhaust of spark-ignited internal combustion engines from oxidation of unburned ethanol, methane, or ethane was described. Methane and ethane were formed as intermediate products of gasoline or ethanol combustion. The oxidation reaction rate equilibrium constants for methane and ethane were determined from Gibbs function. Exhaust aldehydes were quantified for engines fueled by gasoline-ethanol blend. The results demonstrate the effect of ethanol, methane, and ethane concentration on formaldehyde and acetaldehyde formation as a function of the exhaust temperature. This is an abstract of a paper presented at the AIChE Annual Meeting (San Francisco, CA 11/12-17/2006).

Original languageEnglish
Title of host publication2006 AIChE Annual Meeting
Publication statusPublished - 1 Dec 2006
Event2006 AIChE Annual Meeting - San Francisco, CA, United States
Duration: 12 Nov 200617 Nov 2006

Conference

Conference2006 AIChE Annual Meeting
CountryUnited States
CitySan Francisco, CA
Period12/11/0617/11/06

Fingerprint

Ethane
Methane
Aldehydes
Internal combustion engines
Ethanol
Gasoline
Acetaldehyde
Formaldehyde
Oxidation
San Francisco
Equilibrium constants
Electric sparks
Reaction rates
Engines
Temperature

Cite this

Sodré, J. R., & De Oliveira Costa, T. (2006). Aldehyde formation in spark ignition engines. In 2006 AIChE Annual Meeting
Sodré, José Ricardo ; De Oliveira Costa, Theles. / Aldehyde formation in spark ignition engines. 2006 AIChE Annual Meeting. 2006.
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Sodré, JR & De Oliveira Costa, T 2006, Aldehyde formation in spark ignition engines. in 2006 AIChE Annual Meeting. 2006 AIChE Annual Meeting, San Francisco, CA, United States, 12/11/06.

Aldehyde formation in spark ignition engines. / Sodré, José Ricardo; De Oliveira Costa, Theles.

2006 AIChE Annual Meeting. 2006.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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T1 - Aldehyde formation in spark ignition engines

AU - Sodré, José Ricardo

AU - De Oliveira Costa, Theles

PY - 2006/12/1

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N2 - The formation process of formaldehyde and acetaldehyde in the exhaust of spark-ignited internal combustion engines from oxidation of unburned ethanol, methane, or ethane was described. Methane and ethane were formed as intermediate products of gasoline or ethanol combustion. The oxidation reaction rate equilibrium constants for methane and ethane were determined from Gibbs function. Exhaust aldehydes were quantified for engines fueled by gasoline-ethanol blend. The results demonstrate the effect of ethanol, methane, and ethane concentration on formaldehyde and acetaldehyde formation as a function of the exhaust temperature. This is an abstract of a paper presented at the AIChE Annual Meeting (San Francisco, CA 11/12-17/2006).

AB - The formation process of formaldehyde and acetaldehyde in the exhaust of spark-ignited internal combustion engines from oxidation of unburned ethanol, methane, or ethane was described. Methane and ethane were formed as intermediate products of gasoline or ethanol combustion. The oxidation reaction rate equilibrium constants for methane and ethane were determined from Gibbs function. Exhaust aldehydes were quantified for engines fueled by gasoline-ethanol blend. The results demonstrate the effect of ethanol, methane, and ethane concentration on formaldehyde and acetaldehyde formation as a function of the exhaust temperature. This is an abstract of a paper presented at the AIChE Annual Meeting (San Francisco, CA 11/12-17/2006).

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M3 - Conference contribution

AN - SCOPUS:58049098457

SN - 081691012X

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Sodré JR, De Oliveira Costa T. Aldehyde formation in spark ignition engines. In 2006 AIChE Annual Meeting. 2006