2005
DOI: 10.1021/ef049849h
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Effect of Alcohol and Copper Content on the Stability of Automotive Gasoline

Abstract: Gasoline is a volatile liquid that is used in internal combustion engines. It is formed by a mixture of paraffins, naphthenes, olefins, and aromatic hydrocarbons (C 4 -C 12 ). During storage, the hydrocarbons present in gasoline react with atmospheric oxygen, and with each other, promoting changes in its physical and chemical properties, because of the formation of gums. These materials present macromolecular character and normally cause undesirable effects, such as deposits in filters and distribution lines. … Show more

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Cited by 46 publications
(63 citation statements)
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“…Most gasoline sold in Sweden has 5-15 % ethanol added; also petrol blended ethanol, 85 % ethanol 15 % petrol is sold. In Brazil, the Brazilian National Agency of Petroleum, Natural Gas and Biofuels (ANP) requires that gasoline for automobile use has 25 % of ethanol added to its composition [26]. Legislation limits ethanol use to 10 % of gasoline in Australia.…”
Section: Case Study 1: Level Of Anhydrous Ethyl Alcohol Present In Aumentioning
confidence: 99%
“…Most gasoline sold in Sweden has 5-15 % ethanol added; also petrol blended ethanol, 85 % ethanol 15 % petrol is sold. In Brazil, the Brazilian National Agency of Petroleum, Natural Gas and Biofuels (ANP) requires that gasoline for automobile use has 25 % of ethanol added to its composition [26]. Legislation limits ethanol use to 10 % of gasoline in Australia.…”
Section: Case Study 1: Level Of Anhydrous Ethyl Alcohol Present In Aumentioning
confidence: 99%
“…In addition, the presence of several metallic species in fuel reduces the efficiency of catalytic reactors in vehicle exhaust systems, thereby increasing the emission of exhaust gases. [3][4][5][6] Among the elements cited, traces of Cu, Fe, Zn are commonly found in gasoline despite not being used as additives. These elements are associated to the fuel degradation and pollution problems mentioned above.…”
Section: Introductionmentioning
confidence: 99%
“…1, 2 Para que o etanol combustível brasileiro seja introduzido com êxito no mercado internacional, é de extrema importância um maior rigor na regulamentação quanto aos constituintes e possíveis impurezas presentes neste combustível. Tais impurezas, mesmo em baixas concentrações, podem influenciar negativamente o desempenho do motor, 3,4 intensificar as propriedades corrosivas do etanol, 5 aumentar os níveis de emissão de poluentes, 5 poluição de solo, ar e águas, aumentando problemas na saúde publica. Assim, torna-se importante a identificação e quantificação destas impurezas, as quais podem ser incorporadas ao etanol durante as etapas de plantio, processamento e/ou armazenamento.…”
Section: Introductionunclassified