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Phase behaviour of mixtures containing hydrocarbons, water and carbon dioxide are of great interest to the petroleum and related industries. However, to describe the effect of water on phase equilibria remains a challenge from theoretical and experimental point of view. Phase transitions for the {decane (C 10 H 22 )+water+CO 2 } and {decalin (C 10 H 18 )+water+CO...
Oil is currently the target of criticism and concerns on the issues of greenhouse gases emissions, escalating prices and decreasing availability. Brazil, since 1975, has been encouraging ethanol use as a bio alternative, either as a substitute or as an additive to gasoline. The launching, in 2003, of vehicles that can run on any proportion of ethanol and gasoline, reinforced this process. These flex...
Brazilian auto industry has changed significantly since 2003 by the introduction of the flexible fuel vehicles that can run with any mix of gasoline or sugarcane ethanol. Sugarcane ethanol is a well known renewable fuel and an efficient alternative to fossil fuel due to its high energy yield and also to its great potential for fixing carbon dioxide. Consumers see great opportunity in acquiring a flex...
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