ES219361A1 - A procedure of fractionation of oils by selective extraction (Machine-translation by Google Translate, not legally binding)
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A procedure of fractionation of oils by selective extraction (Machine-translation by Google Translate, not legally binding)
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Oil fractionation procedure by selective extraction of suitable types by means of liquid solvent mixtures composed of at least one liquid component at working temperature and pressure and another that is a permanent gas at operating temperature but is dissolved in the liquid component and that reduces with its presence the solution capacity of said solvent characterized by comprising: the extraction of said oil in at least two fractionation phases with a plurality of said liquid solvent mixtures that differ from each other by their content of said dissolved gas; separating the extract from the extraction residue in each fractionation phase; the precipitation of said extract of at least a part of the oil dissolved by increasing the saturation pressure of said extract; separating the precipitate phase from the solvent mixture phase and returning the thus recovered solvent mixture to one of the fractionation phases. (Machine-translation by Google Translate, not legally binding)
ES219361A1955-01-041955-01-04A procedure of fractionation of oils by selective extraction (Machine-translation by Google Translate, not legally binding)
ExpiredES219361A1
(en)
Improvements introduced in the procedure of extraction of the orujo oil by means of solvents (Machine-translation by Google Translate, not legally binding)
A procedure to separate aromatic hydrocarbons from a mix with their non-aromatic hydrocarbons (Machine-translation by Google Translate, not legally binding)
A new method of extraction of oils through solvent, previous dissection performed in steam current of solvent (Machine-translation by Google Translate, not legally binding)
A procedure of extraction with solvent to reduce the content in saturated compounds of an aromatic oil. (Machine-translation by Google Translate, not legally binding)
Process for increasing the ratio of butadiene to other C4 hydrocarbons in the cuproammonium acetate solution used as an extractant in an extraction process for butadiene.
Apparatus for continuous extraction through solvents of soluble elements contained in solid matters (Machine-translation by Google Translate, not legally binding)