By Klaus H. Altgelt, Visit Amazon's Mieczyslaw M. Boduszynski Page, search results, Learn about Author Central, Mieczyslaw M. Boduszynski,

ISBN-10: 0824789466

ISBN-13: 9780824789466

Offers insights into the composition of petroleum, specially its heavy ends, and offers a assessment of recent tools for the research of heavy petroleum fractions, that are seen as refinery feedstocks. the concept that of an atmospheric similar boiling element (AEBP) scale expanding the boiling diversity nearly threefold and taking into consideration the outline of all crude oil fractions is brought.

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Extra resources for Composition and Analysis of Heavy Petroleum Fractions

Example text

Before the distillation, the feed is placed in a reboiler attached to the bottom of the column, and an overhead product is obtained which becomes progressively higher boiling and more complex in composition. Short­path distillation, on the other hand, is carried out in the continuous mode, and the composition of the "overhead" remains the same.

Here, the earlier separation methods introduced such terms as resins or polars to describe heteroatom­rich fractions, which were strongly retained on chromatographic columns and required the use of polar solvents for their desorption and recovery.  The authors of the API Research Project 60, an extensive study of the heavy ends of petroleum, introduced several new, more chemically oriented terms such as acids, bases, and neutral nitrogen compounds.  Now, what used to be traditionally described as asphaltenes was separated along with the soluble portion into acids, bases, and neutrals.

Additional information, say from NMR, could complement the MS analysis, but the NMR data would now be averaged over all the molecules.  The point we are trying to make is that even MS, the method giving the most detailed data, cannot always, with or without fractionation, save us from averages when it comes to structural information, regardless of how high and impressive its resolving power. , under processing conditions in a reactor. , certain ring structures with different degrees of alkyl substitution.

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Composition and Analysis of Heavy Petroleum Fractions by Klaus H. Altgelt, Visit Amazon's Mieczyslaw M. Boduszynski Page, search results, Learn about Author Central, Mieczyslaw M. Boduszynski,

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