Examples of 'naphthenes' in a sentence
Meaning of "naphthenes"
Naphthenes are a type of hydrocarbon compounds that are commonly found in petroleum and natural gas. They have a cyclic structure and are important in the production of fuels and lubricants
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- plural of naphthene
How to use "naphthenes" in a sentence
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naphthenes
Structures of naphthenes are examples of different compound types.
A complex combination obtained from the chemical reforming of naphthenes to aromatics.
Most of the naphthenes in the feedstock are converted to aromatics.
It is also possible to employ petroleum cuts consisting of paraffins or else of naphthenes.
Naphthenes are distributed between the extract and raffinate phases.
Paraffins are preferred over naphthenes which are preferred over aromatics.
Naphthenes are subsequently converted to aromatics.
Cyclic hydrocarbons that may be present include naphthenes and aromatic compounds.
Naphthenes are also completely saturated but consist of cyclic or ring structures.
Catalysts for dehydrogenating paraffins and naphthenes are well known to the skilled person.
The converted naphthenes are subsequently opened by the ring opening catalyst.
The zinc would also catalyse the dehydrogenation reactions of naphthenes into aromatics.
By naphthenes is also meant di - and tricyclic naphthenes.
The ring opening reactor includes hydrogenation for converting aromatic compounds to naphthenes.
Experience shows that the dehydrogenation reactions of naphthenes occur in the first reactor or reactors.
See also
Naphthenes or alicyclic hydrocarbons are ring-shaped hydrocarbons.
The irritating effect to the mucous membranes depends on the contents of naphthenes and aromates.
Where naphthenes are present, they may be saturated or unsaturated.
Paraffins and Naphthenes.
Naphthenic oils, however, or naphthenes are used by themselves in combination with oxidation inhibitors.
In the mixed-base group are both paraffin hydrocarbons and naphthenes.
Apart from this, dehydrogenation of the naphthenes to aromatics also takes place.
Naphthenes of the final product of the invention are mononaphthenes and non-fused dinaphthenes.
Separation of normal paraffins from branched paraffins, naphthenes and aromatics ;.
However, both the dehydrogenation of naphthenes and the dehydrocyclization of paraffins produce hydrogen.
In a preferred embodiment, the feedstock comprises both naphthenes and aromatics.
The model is based on paraffins, naphthenes and aromatics analysis and reformer inlet temperature.
Such unsaturates include aromatics, polynuclear aromatics, and cyclic alkenes such as naphthenes.
Saturation of aromatics-transformation of the aromatics in naphthenes and then transforming these in saturated compounds.
The aliphatic hydrocarbon solvent is therefore essentially composed of paraffins, isoparaffins and naphthenes.
The VI of fused naphthenes is poorer than that of non-fused naphthenes.
The thus purified hydrocarbon fluids are mostly aliphatic, they contain paraffins, isoparaffins and naphthenes.
N8, % by weight of naphthenes containing eight carbon atoms in the hydrocarbon effluent.
Other possible constituents of the first hydrogen-containing product stream include aromatic compounds, such as naphthenes.
They also contain practically no aromatics, naphthenes or, more generally, cyclic compounds.
Aromatic-type solvents have the highest solvency for organic chemical materials, followed by naphthenes and paraffins.
The level of naphthenes present will be comprised between 10 and 30 % by weight.
Clearly Catalyst 1 is also an excellent catalyst for ring opening naphthenes.
The hydrocarbon-containing compounds can be olefins, naphthenes or aromatic compounds, optionally paraffins.
Process according to claim 1, wherein the organic compounds are naphthenes.
The compounds are grouped into families ( Paraffins, Isoparaffins, Olefins, Naphthenes and Aromatics ).
Preferably, these hydrodewaxed diluents will contain at least 20 % by weight of naphthenes.
The cycloalkanes, inter alia, cyclopentane and cyclohexane, occurring in petroleum are also called naphthenes.
Preferably, the ring opening reactor 50 includes hydrogenation for converting aromatic compounds to naphthenes.
The py-gas is a mixture of light hydrocarbons and includes benzene, toluene, other aromatics, and naphthenes.
It is a mixture of paraffins ( alkanes ), olefins ( alkenes ) and cycloalkanes naphthenes.
The feed contained 4.1 wt % aromatics with the rest being paraffins and naphthenes.
