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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| 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). |
| format | Patent |
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MULLER, Elsa</creatorcontrib><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).</description><language>eng ; fre ; ger</language><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ; CHEMISTRY ; 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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING |
| title | METHOD FOR REGENERATING AN AQUEOUS SOLUTION OF MEG CONTAINING SALTS WITH PURGE TREATMENT |
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