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Plenary Lecture

Ethanol–Methanol Blends in Gasoline Engine

Professor Charalampos Arapatsakos
Department of Production and Management Engineering
Democritus University of Thrace Xanthi, GREECE
E-mail: xarapat@agro.duth.gr

Abstract: The use of ethanol and methanol as fuels can contribute to the decrease of photochemical smog since it does not produces hydrocarbons. Vehicles that burn petroleum fuels produce carbon monoxide (CO) because these fuels do not contain oxygen in their molecular structure. Carbon monoxide is a toxic gas that is formed by incomplete combustion. When ethanol and methanol, which contains oxygen, is mixed with gasoline the combustion of the engine is more complete and the result is CO reduction. Using renewable fuels, such as ethanol, there is also a reduction of carbon dioxide (CO2) in the atmosphere. Carbon dioxide is non-toxic but contributes to the greenhouse effect. Because of the fact that plants absorb carbon dioxide and give off oxygen, the amount of CO2 that is formed during combustion is balanced by that absorbed by plants used to produce ethanol. That is why the use of ethanol and methanol will partially offset the greenhouse effect that is formed by carbon dioxide emissions of burning gasoline. This work examines the behavior of a small four-stroke engine when mixtures of gasoline-ethanol and gasoline-methanol are used as fuels.

Brief Biography of the Speaker:Dr. Charalampos Arapatsakos is a Greek citizen, who has been born in Athens. He has studied Mechanical of Engineering. He is Professor on Democritus University of Thrace in Greece. Prof C. Arapatsakos has participated in many research programs about biofuels, gas emissions and antipollution technology. His research domains are mainly on biofuels and their use in internal combustion engines, the power variation from the use of biofuels, the gas emissions and mechanical damages.

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