Examples of 'asphaltene' in a sentence
Meaning of "asphaltene"
asphaltene (noun) - A high-molecular-weight hydrocarbon compound found in petroleum and bitumen, known for its role in causing stability issues in these materials
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- Any of the dark organic constituents of crude oils and bitumen that are soluble in aromatic solvents but not in aliphatic ones; they are polycyclic aromatic compounds (composed of fused benzene rings) with aliphatic side chains
How to use "asphaltene" in a sentence
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asphaltene
The resin and asphaltene fractions precipitate.
Complete handling system for coke and asphaltene.
Paraffin and asphaltene content wax as percentage of mass.
This composition is characterized further by a low asphaltene content.
Formation damage by asphaltene precipitation in reservoir.
Various methods have been devised to minimize asphaltene precipitation.
Synthesis of asphaltene model compounds.
Determining the agglomerative state of the asphaltene particles.
And there was a high asphaltene content in the crude oil.
The next step is for determining the content of asphaltene.
This is why the asphaltene model compounds are needed.
Asphaltene stability is than calculated based upon the absorbance readings.
Liquid fractions of high asphaltene content from coal liquefaction.
The asphaltene stability is determined by the onset of precipitation in respective mixtures.
This can be achieved by adding asphaltene dispersants to the crude oil.
See also
An overbased metal hydrocarbyl substituted hydroxybenzoate for reduction of asphaltene precipitation.
This allows the asphaltene stream to be more easily handled.
The aim of this study was to synthesize asphaltene model compounds.
The problem of asphaltene instability has been known for many years.
The propensity for this to happen is known as the asphaltene stability.
The comparison of relative asphaltene concentrations can be accomplished by using a processor.
Fouling occurs on the crude side of these exchangers due to asphaltene insolubility.
An asphaltene component.
Continuous treating may be required to inhibit asphaltene deposition in the tubing.
The problem of asphaltene precipitation is more acute at higher basestock saturate levels.
This difference represents the degree of asphaltene agglomeration in the crude oil.
The asphaltene content is kept low to insure compatibility with polymers added.
This permits time for the asphaltene to break down in the process.
Vacuum distillation is a mature and effective method to remove asphaltene and solids.
Several other ways of addressing the asphaltene precipitation problems are also known.
Increasing conversion increases the polarity of the aromatic shell around the asphaltene.
The modern understanding of asphaltene molecular structure was used as a basis for synthesis.
Xylene is then added to dissolve any considerable amounts of asphaltene material present.
Our approach is to use asphaltene solution theory to handle asphaltene gradients in the formation.
A too severe cracking in a visbreaker will lead to the asphaltene colloid becoming metastable.
Suitable asphaltene treatment chemicals include those such as alkylphenol ethoxylates and aliphatic polyethers.
There are other references that can be used to determine the difference in asphaltene concentrations.
Refining of crude oils with high asphaltene content to high quality fuels is very challenging.
The data therein shows that the combination gives rise to improved asphaltene dispersency.
Variable asphaltene concentration in crude oils within individual reservoirs creates a myriad of production problems.
The same inventive concept applies to the asphaltene content of residual fuel oils.
This achieves good asphaltene dispersency at lower and hence more economical levels of soap.
One example of the complexity of the fluid is when the asphaltene aggregates or flocculates.
The equations for the asphaltene equilibrium also depend on the density of the maltene.
The method gives an absolute measure of the particle size distribution of the asphaltene particles.
It indicated that the solvent was in the asphaltene portion and not the water phase.
The color of the oil is related to an amount of Asphaltene.
The presence of numerous polycyclic groups give the asphaltene molecules a highly aromatic character.
Asphaltene Inhibitors The compositions disclosed herein may include an asphaltene inhibitor.
Solvent deasphalting can be suitable for reducing the asphaltene content of a fuel oil fraction.
