Sentence examples for residue fractions from inspiring English sources

During the catalytic hydroconversion of vacuum residue fractions of bitumen or petroleum, the formation of mesophase can lead to fouling of reactor internals.

Elements recoveries were obtained as sum of the extract and residue fractions and were comparable with those obtained by direct dissolution.

Downstream refiners can use the narrow-cut data and KR index for process optimization by either cutting deep into the bottom of residua to increase yield or selecting appropriate process units for various residue fractions.

Narrow-cut data were also used to develop critical properties of residue fractions, which can be used as input parameters for simulation studies in designing process units for heavy crude and residua.

Ethanol, ethyl acetate, dichloromethane, acetone and chloroform mixtures of a simplex centroid design have been used to extract total crude material as well as the neutral, organic, basic, fiber and residue fractions of Mikania laevigata Sch.

It is now assumed that the largest part of the iron was precipitated in the residue fractions.

Composition of residue fraction (wt%).

CeO2 NPs associated with silicate minerals or the residue fraction (F4) dominated in both soils.

They could also be classified as paraffin base or asphalt base depending on residue fraction of the crude oil [2].

Simple settling of the solids recovered after the reaction led to a "fines" fraction and a coarser (residue) fraction.

The amount of heptane-insoluble (asphaltenes, preasphaltenes and sediments) is as high as 80% in the vacuum residue fraction (524+ °C).