AR020436A1 - Procedimiento para la cristalizacion de acido carboxilico y procedimiento para la fabricacion de acido carboxilico cristalino
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Procedimiento para la cristalizacion de acido carboxilico y procedimiento para la fabricacion de acido carboxilico cristalino
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C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/42—Separation; Purification; Stabilisation; Use of additives
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/42—Separation; Purification; Stabilisation; Use of additives
C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
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Organic Chemistry
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Engineering & Computer Science
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Oil, Petroleum & Natural Gas
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Crystallography & Structural Chemistry
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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ARP9901045951998-09-141999-09-14Procedimiento para la cristalizacion de acido carboxilico y procedimiento para la fabricacion de acido carboxilico cristalino
AR020436A1
(es)
métodos para purificar um ácido carboxìlico a partir de uma mistura, para recuperar o ácido tereftálico purificado a partir do efluente de um processo de produção de ácido tereftálico e para oxidar 4-carboxibenzaldeìdo e/ou o 3-carboxibenzaldeìdo
Metodo de purificacion de acido acetico que contiene impurezas de terpenos y terpenoides, que comprende suministrar acido acetico y agua a una columna de destilacon, retirar azeotropicamente las impurezas de la mezcla acido acetico y agua mediante destilacion y retirar una corriente con el acido acetico purificado.