By Vasily Simanzhenkov
Crude Oil Chemistry is most excellent a scientifically distinctive consultant to the entire kinfolk of classical and sleek analytical and procedure applied sciences in petroleum refining. In widening its imaginative and prescient additionally to include a geological historical past of petroleum formation, present-day geopolitical and monetary concerns, and methods to redress and increase the fragile ties among the petroleum and the surroundings, this reference succeeds as a complete illustration of the criteria going into the chemistry of crude oil and their outward sure ramifications. The ebook completely evaluates the chemistry and processing of low API gravity high-sulfur heavy crude oil more and more depended on within the undefined.
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For this examination, a graph (a composite of curves expressing the relation between percentage distillate from the naphtha, the aniline point, refractive index, specific gravity, and the boiling point) is used. The aniline point after acid extraction is included in order to estimate the paraffm-naphthene ratio. 4 Characterization by Viscosity-Gravity Constant (vgc) This parameter, along with the Universal Oil Products (UOP) characterization factor, has been used, to some extent, as a means of classifying crude oils.
Generally octane number is low for n-alkanes and high for the iso-alkanes (isooctane is assigned the octane number of 100). The cyclic hydrocarbons all have the positive properties of the alkanes with regard to thermal and chemical stability as well as good environmental properties. In addition, they have a higher octane number in comparison to alkanes. Alkenes or unsaturated hydrocarbons have the following major properties: • Are chemically unstable. • Tend to be reactive and toxic, but have high octane numbers.
The cyclic hydrocarbons all have the positive properties of the alkanes with regard to thermal and chemical stability as well as good environmental properties. In addition, they have a higher octane number in comparison to alkanes. Alkenes or unsaturated hydrocarbons have the following major properties: • Are chemically unstable. • Tend to be reactive and toxic, but have high octane numbers. • • • Arenes or aromatics are characterized as follows: Gradually being reduced to less than 20% in the US.
Crude Oil Chemistry (No Series) by Vasily Simanzhenkov