On November 30, 2013, Magalhaes, Ana L.; Vaz, Raquel V.; Goncalves, Ricardo M. G.; Da Silva, Francisco A.; Silva, Carlos M. published an article.Application In Synthesis of 1-Fluoro-2-methoxybenzene The title of the article was Accurate hydrodynamic models for the prediction of tracer diffusivities in supercritical carbon dioxide. And the article contained the following:
The tracer diffusion coefficients, D12, are fundamental properties for the design and simulation of rate-controlled processes. Nowadays, under the scope of the biorefinery concept and strict environmental legislation, the D12 values are increasingly necessary for extractions, reactions, and chromatog. separations carried out at supercritical conditions, particularly using carbon dioxide. Hence, the main objective of this work is the development of accurate and simple models for the pure prediction of D12 values in supercritical CO2. Two modified Stokes-Einstein equations (mSE1 and mSE2) are proposed and validated using a large database comprehending extremely distinct mols. in terms of size, mol. weight, polarity and sphericity. The global deviations achieved by the mSE1 (Eqs. (2) and (13)) and mSE2 (Eqs. (5), (13), (3), (4)) models are only 6.38% and 6.75%, resp., in contrast to the significant errors provided by known predictive correlations available in the literature: Wilke-Chang, 12.17%; Tyn-Calus, 17.01%; Scheibel, 19.04%; Lusis-Ratcliff, 27.32%; Reddy-Doraiswamy, 79.34%; Lai-Tan, 25.82%. Also, the min. and maximum deviations achieved by the new models are much smaller than those of the reference equations adopted for comparison. In conclusion, the mSE1 and mSE2 models can be recommended for the prediction of tracer diffusivities in supercritical CO2. The experimental process involved the reaction of 1-Fluoro-2-methoxybenzene(cas: 321-28-8).Application In Synthesis of 1-Fluoro-2-methoxybenzene
The Article related to accurate hydrodynamic model prediction tracer diffusivities supercritical carbon dioxide, Unit Operations and Processes: Mass Transfer and other aspects.Application In Synthesis of 1-Fluoro-2-methoxybenzene
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