ES2019018A6 - Procedimiento para el aislamiento y purificacion de acidos libres a partir de sus sales por electrodialisis. - Google Patents

Procedimiento para el aislamiento y purificacion de acidos libres a partir de sus sales por electrodialisis.

Info

Publication number
ES2019018A6
ES2019018A6 ES9000130A ES9000130A ES2019018A6 ES 2019018 A6 ES2019018 A6 ES 2019018A6 ES 9000130 A ES9000130 A ES 9000130A ES 9000130 A ES9000130 A ES 9000130A ES 2019018 A6 ES2019018 A6 ES 2019018A6
Authority
ES
Spain
Prior art keywords
acid
electrodialysis
isolation
purification
salts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES9000130A
Other languages
English (en)
Inventor
Gomez Ochoa
Ramon Juan Luis Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ercros SA
Original Assignee
Ercros SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ercros SA filed Critical Ercros SA
Priority to ES9000130A priority Critical patent/ES2019018A6/es
Priority to CA002034351A priority patent/CA2034351A1/en
Priority to EP91500007A priority patent/EP0438369B1/en
Priority to DE69108749T priority patent/DE69108749T2/de
Priority to AT91500007T priority patent/ATE120981T1/de
Priority to HU91157A priority patent/HUT58558A/hu
Priority to AU69471/91A priority patent/AU6947191A/en
Priority to PL28876091A priority patent/PL288760A1/xx
Publication of ES2019018A6 publication Critical patent/ES2019018A6/es
Priority to US07/922,342 priority patent/US5268079A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PROCEDIMIENTO PARA EL AISLAMIENTO Y PURIFICACION DE ACIDOS LIBRES A PARTIR DE SUS SALES POR ELECTRODIALISIS MEDIANTE UNA CELDA DE ELECTRODIALISIS DE 4 COMPARTIMENTOS, ESTANDO LOS DOS COMPARTIMENTOS ADYACENTES (A, D) A LOS ELECTRODOS, SEPARADOS DE LOS COMPARTIMENTOS CENTRALES (B, C) MEDIANTE MEMBRANAS CATIONICAS (2, 3), MIENTRAS QUE LOS COMPARTIMENTOS CENTRALES ESTAN SEPARADOS ENTRE SI POR UNA MEMBRANA ANIONICA (1), RECIRCULANDOSE POR (A) UN ANOLITO, POR (B) AGUA O UNA DISOLUCION DILUIDA DEL ACIDO A AISLAR, POR (C) UNA DISOLUCION ACUOSA DE LA SAL DEL ACIDO A AISLAR Y POR (D) UN CATOLITO, CARACTERIZADO PORQUE AL APLICAR UNA DIFERENCIA DE POTENCIAL ENTRE LOS ELECTRODOS, SE PRODUCE LA MIGRACION DE LOS IONES DE FORMA QUE SE OBTIENE UN ACIDO LIBRE PURO EN EL COMPARTIMENTO (B). EL PROCEDIMIENTO PERMITE OBTENER ACIDO LIBRE SIN COEXISTIR CON SU SAL EN UN MISMO COMPARTIMENTO, LO QUE AUMENTA SU PUREZA. EL PROCEDIMIENTO ES ADECUADO PARA PURIFICAR MULTITUD DE ACIDOS, ESPECIALMENTE EL ACIDO IMINODIACETICO (IDA).
ES9000130A 1990-01-18 1990-01-18 Procedimiento para el aislamiento y purificacion de acidos libres a partir de sus sales por electrodialisis. Expired - Lifetime ES2019018A6 (es)

Priority Applications (9)

Application Number Priority Date Filing Date Title
ES9000130A ES2019018A6 (es) 1990-01-18 1990-01-18 Procedimiento para el aislamiento y purificacion de acidos libres a partir de sus sales por electrodialisis.
HU91157A HUT58558A (en) 1990-01-18 1991-01-17 Process for isolating and purifying acids from their salts by electrodialysis
EP91500007A EP0438369B1 (en) 1990-01-18 1991-01-17 Process for the isolation and purification of free iminodiacetic acid, starting from it's salt, by elektrodialysis
DE69108749T DE69108749T2 (de) 1990-01-18 1991-01-17 Verfahren zur Isolierung von freier Iminodiessigsäure aus ihren Salzen durch Elektrodialyse.
AT91500007T ATE120981T1 (de) 1990-01-18 1991-01-17 Verfahren zur isolierung von freier iminodiessigsäure aus ihren salzen durch elektrodialyse.
CA002034351A CA2034351A1 (en) 1990-01-18 1991-01-17 Process for the isolation and purification of free acids, starting from their salts, by electrodialysis
AU69471/91A AU6947191A (en) 1990-01-18 1991-01-18 Process for the isolation and purification of free acids, starting from their salts, by electrodialysis
PL28876091A PL288760A1 (en) 1990-01-18 1991-01-18 Method of and apparatus for isolating free acids and making them free of their salts
US07/922,342 US5268079A (en) 1990-01-18 1992-07-28 Process for the isolation and purification of free acids, starting from their salts, by electrodialysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9000130A ES2019018A6 (es) 1990-01-18 1990-01-18 Procedimiento para el aislamiento y purificacion de acidos libres a partir de sus sales por electrodialisis.

Publications (1)

Publication Number Publication Date
ES2019018A6 true ES2019018A6 (es) 1991-05-16

Family

ID=8265499

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9000130A Expired - Lifetime ES2019018A6 (es) 1990-01-18 1990-01-18 Procedimiento para el aislamiento y purificacion de acidos libres a partir de sus sales por electrodialisis.

Country Status (1)

Country Link
ES (1) ES2019018A6 (es)

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FD1A Patent lapsed

Effective date: 20040601