METHODS OF ADDING THE ISOMERIZATION OF OLEFIN EXCHANGE PRODUCTS, METHODS OF PROCESSING OF NATURAL OILS AND METHODS OF PRODUCTION OF FUEL COMPOSITIONS

摘要

A method for suppressing isomerization of an olefin exchange product (permutation, metathesis) obtained during an exchange reaction involves adding an isomerization inhibiting substance to the mixture of an olefin exchange product with an exchange catalyst in an amount remaining after the exchange reaction under conditions sufficient to passivate at least some portion of the residual exchange catalyst. The isomerization inhibiting substance includes: (i) a salt and / or ester of a phosphorous oxo acid, and / or (ii) a derivative of a phosphorous oxo acid, where at least one PH bond is replaced by a PC bond, and / or (iii) a salt and / or ester derivative. A description is also given of methods for purification (processing) of natural oils and methods for producing fuel compositions.