ES2056016B1 - Membranas microporosas de silice, su utilizacion y fabricacion. - Google Patents

Membranas microporosas de silice, su utilizacion y fabricacion.

Info

Publication number
ES2056016B1
ES2056016B1 ES09202115A ES9202115A ES2056016B1 ES 2056016 B1 ES2056016 B1 ES 2056016B1 ES 09202115 A ES09202115 A ES 09202115A ES 9202115 A ES9202115 A ES 9202115A ES 2056016 B1 ES2056016 B1 ES 2056016B1
Authority
ES
Spain
Prior art keywords
silicone
soles
membrane
microporous
support
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 - Fee Related
Application number
ES09202115A
Other languages
English (en)
Other versions
ES2056016A1 (es
Inventor
Aguado M Jose Munoz
Miguel Gregorkiewitz
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.)
Consejo Superior de Investigaciones Cientificas CSIC
Original Assignee
Consejo Superior de Investigaciones Cientificas CSIC
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 Consejo Superior de Investigaciones Cientificas CSIC filed Critical Consejo Superior de Investigaciones Cientificas CSIC
Priority to ES09202115A priority Critical patent/ES2056016B1/es
Priority to AU51784/93A priority patent/AU5178493A/en
Priority to PCT/ES1993/000087 priority patent/WO1994008706A1/es
Publication of ES2056016A1 publication Critical patent/ES2056016A1/es
Application granted granted Critical
Publication of ES2056016B1 publication Critical patent/ES2056016B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0048—Inorganic membrane manufacture by sol-gel transition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0046—Inorganic membrane manufacture by slurry techniques, e.g. die or slip-casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0231—Dense layers being placed on the outer side of the cross-section

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

MEMBRANAS MICROPOROSAS DE SILICE, SU UTILIZACION Y FABRICACION. UNA NUEVA MEMBRANA MICROPOROSA DE COMPOSICION PURAMENTE INORGANICA BASADA ESENCIALMENTE EN PARTICULAS DE SILICE ISOMETRICAS Y DE DISTRIBUCION DE TAMAÑO EXACTAMENTE DEFINIDO. EL MATERIAL ES DE ELEVADA ESTABILIDAD QUIMICA Y TERMICA, Y TIENE, DEPOSITADO COMO TABIQUES EN EL INTERIOR O PELICULAS ULTRAFINAS EN UNA SUPERFICIE DE SOPORTES CERAMICOS, PROPIEDADES DE TAMIZ MOLECULAR. LA MEMBRANA SE PUEDE FABRICAR SIGUIENDO UNO DE ESTOS DOS PROCEDIMIENTOS: A) A PARTIR DE SOLES OBTENIDOS POR ACIDIFICACION DE UN SILICATO SOLUBLE CON UN ACIDO MINERAL, DANDO LUGAR A UNA MEMBRANA ASIMETRICA MULTICAPA AL DEPOSITAR DICHOS SOLES SOBRE UN SOPORTE CERAMICO, Y B) POR FLOCULACION DE SILICE EN EL INTERIOR DE UN SOPORTE CERAMICO, AL PONER EN CONTACTO EL SOPORTE EMBEBIDO EN UN SILICATO SOLUBLE CON UNA SOLUCION DE UNA SAL DE UN METAL DI- O TRIVALENTE, DANDO LUGAR AUN TABIQUE MICROPOROSO POR RELLENADO DEL VOLUMEN POROSO DEL SOPORTE CON SILICE MICROPOROSA.
ES09202115A 1992-10-22 1992-10-22 Membranas microporosas de silice, su utilizacion y fabricacion. Expired - Fee Related ES2056016B1 (es)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES09202115A ES2056016B1 (es) 1992-10-22 1992-10-22 Membranas microporosas de silice, su utilizacion y fabricacion.
AU51784/93A AU5178493A (en) 1992-10-22 1993-10-21 Microporous silica membrane, utilisation and fabrication thereof
PCT/ES1993/000087 WO1994008706A1 (es) 1992-10-22 1993-10-21 Membranas microporosas de silice, su utilizacion y fabricacion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09202115A ES2056016B1 (es) 1992-10-22 1992-10-22 Membranas microporosas de silice, su utilizacion y fabricacion.

Publications (2)

Publication Number Publication Date
ES2056016A1 ES2056016A1 (es) 1994-09-01
ES2056016B1 true ES2056016B1 (es) 1995-03-01

Family

ID=8278527

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09202115A Expired - Fee Related ES2056016B1 (es) 1992-10-22 1992-10-22 Membranas microporosas de silice, su utilizacion y fabricacion.

Country Status (3)

Country Link
AU (1) AU5178493A (es)
ES (1) ES2056016B1 (es)
WO (1) WO1994008706A1 (es)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421833A1 (de) * 1984-06-13 1985-12-19 Battelle-Institut E.V., 6000 Frankfurt Membran zur abtrennung von gasen aus gasgemischen und verfahren zu ihrer herstellung
US4902442A (en) * 1988-10-24 1990-02-20 The Dow Chemical Company Stabilized mixtures of colloidal silica and soluble silicate and a method of producing porous silica compositions therefrom
US4902307A (en) * 1988-11-18 1990-02-20 California Institute Of Technology Synthesis of SiO2 membrane on porous support and method of use of same
NL9000417A (nl) * 1990-02-21 1991-09-16 Tno Anorganische membranen alsmede werkwijze voor het vervaardigen van anorganische membranen.
GB9022837D0 (en) * 1990-10-19 1990-12-05 British Petroleum Co Plc Deposition process

Also Published As

Publication number Publication date
AU5178493A (en) 1994-05-09
ES2056016A1 (es) 1994-09-01
WO1994008706A1 (es) 1994-04-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20041023