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- W1973240237 abstract "Knowledge regarding the high pressure phase behavior of CO2 mixtures is of primary importance for designing, operating and optimizing many industrial processes, such as supercritical fluid extraction for pharmaceutical, food and biodiesel industries and oil recovery enhancement through CO2 flooding. In the present work, it is investigated how the CPA EoS (Cubic-Plus-Association equation of state) can be used for an adequate description of the VLE of an extensive series of CO2 binary systems containing n-alkanes, n-alcohols, esters and n-acids, in a broad range of temperatures and pressures. These families constitute a series of non-self associating, associating and cross-associating components whose potential associative interactions with CO2 are evaluated here. A detailed investigation regarding the differing behavior of CO2 depending on the nature of the second component and how the CPA EoS can best describe them is presented here, namely explicitly considering the CO2 association and also evaluating also its different association schemes. It will be shown that it is important to consider CO2 self- and cross-association to describe the VLE of n-alkane and small alcohol/CO2 systems. However, it is not necessary to consider CO2 association when dealing with systems of heavy alcohols, esters or acids. The CPA EoS provides very good results for the extensive range of CO2 binary systems considered here using, for most of them, single, small, temperature independent, positive and chain length dependent binary interaction parameters." @default.
- W1973240237 created "2016-06-24" @default.
- W1973240237 creator A5014963594 @default.
- W1973240237 creator A5020396938 @default.
- W1973240237 creator A5044205474 @default.
- W1973240237 creator A5060430333 @default.
- W1973240237 date "2011-01-01" @default.
- W1973240237 modified "2023-10-02" @default.
- W1973240237 title "Evaluation of the CO2 behavior in binary mixtures with alkanes, alcohols, acids and esters using the Cubic-Plus-Association Equation of State" @default.
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