Characterization of petroleum resid components fractionated by high vacuum short-path distillation and gel permeation chromatography
- Hong Kong Baptist Univ., Kowloon (Hong Kong)
The traditional cut point between distillable oils and resids by vacuum distillation is 1000{degrees}C. The recent advent of high vacuum, short-path distillation (DISTACT molecular still) makes it possible to cut deeper into resid components. By varying the wall temperature and pressure of the DISTACT unit, the 1000+{degrees}F resid components can be further cut into narrow boiling fractions up to an atmospheric equivalent end point of about 1350{degrees}F. In this study, this additional resid components distillable between 1000 and 1350{degrees}F was fractionated and characterized. Furthermore, the asphaltenes in the bottom material were separated into molecular weight cuts by GPC (Gel permeation Chromatography). Such fractionation scheme allows us to compare systematically the composition and properties of the full range petroleum resid components as a function of AEBP (Atmospheric Equivalent Boiling Point) or molecular weight.
- OSTI ID:
- 420588
- Report Number(s):
- CONF-950801-; ISSN 0569-3772; TRN: 97:000005-0024
- Journal Information:
- Preprints of Papers, American Chemical Society, Division of Fuel Chemistry, Vol. 40, Issue 3; Conference: 210. national meeting of the American Chemical Society (ACS), Chicago, IL (United States), 20-25 Aug 1995; Other Information: PBD: 1995
- Country of Publication:
- United States
- Language:
- English
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