✦ LIBER ✦

Investigation of the selection of extraction solvent for extracting the n-alkane from diesel by means of solubility parameters theory

✍ Scribed by Ya LÜ; Jia-jia SHI; Lei SUN

Book ID: 104453007
Publisher: Elsevier
Year: 2008
Tongue: Chinese
Weight: 126 KB
Volume: 36
Category: Article
ISSN: 1872-5813
DOI: 10.1016/s1872-5813(08)60022-5

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✦ Synopsis

The solubility parameters (including dispersion coefficient δd, polarity δp, and hydrogen bonding δh) of extraction solvents (like ketones, chlorinated hydrocarbon, ester, alcohol, and ether) and diesel oil components (n-alkanes and aromatics) were estimated by using the group contribution method. The relationship between the solubility parameters of the solvent and the extraction efficiency of n-alkane from diesel oil was investigated. The results illustrated that the larger the difference between the solvent and n-alkane in the solubility parameters is, the higher is the extraction ratio, for the solvents except alcohols. Nonalkane content of waxpaste removed by the solvents with a dispersion contribution (fd) of higher than two-thirds was much less than that by the solvents with a lower fd.

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