O estado da arte da corrosão pelo etanol combustível


Brazil is the world’s largest producer of sugar cane and of sugar and the second largest producer of fuel ethanol. Ethanol has been using in the Brazilian energy matrix as a vehicular fuel since the 1970s with a consolidated transport, storage and distribution infrastructure. In the 1970s and 1980s, many studies were carried out in the country to verify the behavior of ethanol derived from sugar cane on the corrosion of metallic materials. Nowadays, other challenges have arisen, for example, ethanol is produced from sugarcane, maize and lignocellulosic products, called second generation ethanol. Ethanol fuel is an organic compound capable of solubilizing polar compounds such as water and non-polar such as gasoline independent of its source of production. This behavior allows several compounds to interact and participate in the corrosion processes on various metallic materials. The objective of this work is to present, in the form of a bibliographical review article, the state of the art of corrosion of steel alloys used in tanks and pipelines by fuel ethanol and its blends with gasoline.

SANTOS, Célia Aparecida Lino dos; TIROEL, Lorena Cristina de Oliveira; OLIVEIRA, Elcio Cruz de; ALMEIDA, Neusvaldo Lira de. O estado da arte da corrosão pelo etanol combustível. In: INTERNATIONAL CORROSION MEETING, INTERCORR, 7., 2018, São Paulo. Proceedings… São Paulo: ABRACO, 2018. 13 p.

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