Article : texte imprimé

Entrainer screening for separation of isoparaffins and naphthenes by extractive distillation

Sifang Li, Auteur ; Hai Liu, Auteur |

Dans Industrial & engineering chemistry research (Vol. 48 N° 11, Juin 2009)

In the entrainer screening for separation of isoparaffins and naphthenes (C9−C14) by extractive distillation of D60 oil, various single entrainers and mixed entrainers were used and studied. Sulfolane was the most selective entrainer as a single[...]

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Preparation of acid-resisting ultramarine blue by novel two-step silica coating process

Sifang Li, Auteur ; Miao Liu, Auteur ; Lan Sun, Auteur |

Dans Industrial & engineering chemistry research (Vol. 50 N° 12, Juin 2011)

Acid-resisting ultramarine blue pigment was prepared by a novel two-step silica coating process which is dense liquid coating followed by a sol―gel process. X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FT-IR) spectroscopy,[...]

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