Infinite dilution diffusion coefficients of linalool and benzene in supercritical carbon dioxide

• Type: Article in International Scientific Journal
• Date: 2002

Authors

Filho, CA (Author) Other; Silva, CM (Author) Other; Quadri, MB (Author) Other; Maria Eugénia Macedo (Author) FEUP

Journal

Title: Journal of Chemical & Engineering Data

Vol. 47

Pages: 1351-1354

ISSN: 0021-9568

Publisher: American Chemical Society

Indexing

ISI Web of Knowledge - 25 Citations

ISI Web of Science

Scopus - 28 Citations

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Other information

Authenticus ID: P-000-MHV

DOI: 10.1021/je020004e

Abstract (EN): In this work tracer diffusion coefficients of linalool in supercritical carbon dioxide were measured at 313.15, 323.15, and 333.15 K and pressures from (12-20) MPa using the chromatographic peak broadening technique. Linalool was chosen because it is one of the most important components of the flavor and fragrance of the citrus essential oil. The influence of pressure, temperature, and carbon dioxide density on the diffusion coefficients is examined, as well as the hydrodynamic behavior. The applicability of the following models is evaluated: Wilke-Chang, Hayduk-Minhas, He-Yu-Su, Catchpole-Ydng, Dymond, and Liu-Silva-Macedo. Tracer diffusion coefficients of benzene were also measured and compared with literature values in order to survey the apparatus and procedure performance.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4