METHOD FOR REGENERATING AN AQUEOUS SOLUTION OF MEG CONTAINING SALTS WITH PURGE TREATMENT

The present invention relates to a process for regenerating a rich MEG aqueous solution (100), recovering a maximum amount of MEG while at the same time removing the carboxylic acid salts, including:a) vacuum evaporation of the solution (100) in a unit (1000);b) optional precipitation in a tank (100...

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Hauptverfasser:	COURTIAL, Xavier, WENDER, Aurélie, PARER, Guillaume, DELFORT, Bruno, LANFREY, Pierre-Yves, MULLER, Elsa
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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creator	COURTIAL, Xavier WENDER, Aurélie PARER, Guillaume DELFORT, Bruno LANFREY, Pierre-Yves MULLER, Elsa
description	The present invention relates to a process for regenerating a rich MEG aqueous solution (100), recovering a maximum amount of MEG while at the same time removing the carboxylic acid salts, including:a) vacuum evaporation of the solution (100) in a unit (1000);b) optional precipitation in a tank (1002) of the inorganic salts of a portion (105) of the liquid residue enriched in MEG and in salts (104) obtained from a);c) removal of the precipitated inorganic salts in a solid/liquid separation unit (1003);d) sending all or part (114) of the liquid effluent (112) obtained from c) into a separation unit (1004) different from the unit (1000) to form, notably, an MEG stream depleted in carboxylic acid salts or in carboxylic acids (115);e) recycling of said stream (115) into step a).
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title	METHOD FOR REGENERATING AN AQUEOUS SOLUTION OF MEG CONTAINING SALTS WITH PURGE TREATMENT
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