Transfer processes in polymer membranes. Part 2
DOI:
https://doi.org/10.15587/1729-4061.2013.11731Keywords:
Pervaporation, polymer membrane, mechanism of mass transfer, component of organic mixture, fractionAbstract
The article relates to the studies of the mechanisms of mass transfer in the separation of multicomponent liquid organic mixtures on pervaporation homogeneous polymer membranes with different morphology of macromolecular lattice. The article presents interaction of the mechanisms of transfer of mixtures of different size and shape of the structure, which form separate substances and which are components of the mixture, with the structure of the membrane, as well as with modes of production processes of pervaporation separation.
It can be assumed that the use of polymeric membranes to separate the individual components from multicomponent organic mixtures, such as crude oil, gas condensate, pyrolysis liquid, etc., is very promising. Source liquid can be divided into fractions (gasoline, diesel, oiled). Moreover, each of them can be divided into even narrower fractions, such as kerosene, naphtha, solar and so on. In addition, step-type, fine selection permits to separate from the gasoline fraction substances with zero octane number, and receive high-octane gasoline without any additional processing steps. In addition, a separation of completely dehydrated kerosene and oil components is of great interestReferences
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