ES2084799T3 - Procedimiento y dispositivo para la obtencion de zeolita 4a. - Google Patents

Procedimiento y dispositivo para la obtencion de zeolita 4a.

Info

Publication number
ES2084799T3
ES2084799T3 ES91500086T ES91500086T ES2084799T3 ES 2084799 T3 ES2084799 T3 ES 2084799T3 ES 91500086 T ES91500086 T ES 91500086T ES 91500086 T ES91500086 T ES 91500086T ES 2084799 T3 ES2084799 T3 ES 2084799T3
Authority
ES
Spain
Prior art keywords
sio2
al2o3
crystallisation
procedure
obtaining zeolite
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
ES91500086T
Other languages
English (en)
Inventor
Puerto Ramon Artigas
Benito Juan Forner
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.)
Foret SA
Original Assignee
Foret 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 Foret SA filed Critical Foret SA
Application granted granted Critical
Publication of ES2084799T3 publication Critical patent/ES2084799T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • C01B33/28—Base exchange silicates, e.g. zeolites
    • C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures
    • C01B33/2815—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures of type A (UNION CARBIDE trade name; corresponds to GRACE's types Z-12 or Z-12L)
    • C01B33/2823—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures of type A (UNION CARBIDE trade name; corresponds to GRACE's types Z-12 or Z-12L) from aqueous solutions of an alkali metal aluminate and an alkali metal silicate excluding any other source of alumina or silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

EL INVENTO CONSISTE EN UN PROCEDIMIENTO Y DISPOSITIVO PARA LA FABRICACION DE CEOLITA 4A CRISTALOGRAFICAMENTE PURA, HACIENDO POSIBLE A VOLUNTAD OBTENER CUALQUIER TAMAÑO DE PARTICULA MEDIO ENTRE 2 Y 5 MICRAS, BASADO EN LA CRISTALIZACION DE UN GEL SILICOALUMINADO AMORFO FORMADO POR LA REACCION CONTINUA DE UNA SOLUCION ALCALINA EN SIO2 DE SIO2/NA2O DE RELACION MOLAR ENTRE 2,0 Y 3,5 Y OTRA DE AL2O3 EN UN REACTOR GELIFICADOR, CON RECICLADO DE LICORES Y AGUAS DE LAVADO, RESPECTIVAMENTE, A LOS DIGESTORES DE AL2O3 Y SIO2, TOMANDO PARTE LA CRISTALIZACION EN ETAPAS DURANTE UN PERIODO DE 30 A 90 MINUTOS A UNA TEMPERATURA DE 90 A 100 GRADOS C Y CON AGITACION MEDIA.
ES91500086T 1990-12-14 1991-07-31 Procedimiento y dispositivo para la obtencion de zeolita 4a. Expired - Lifetime ES2084799T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES909003200A ES2024361A6 (es) 1990-12-14 1990-12-14 Procedimiento de obtencion de zeolita 4a.
EP90500119A EP0490011B1 (en) 1990-12-14 1990-12-14 A process to obtain zeolite 4A starting from bauxite
EP91500086A EP0525272B1 (en) 1990-12-14 1991-07-31 Procedure and device for obtaining zeolite 4A

Publications (1)

Publication Number Publication Date
ES2084799T3 true ES2084799T3 (es) 1996-05-16

Family

ID=40276008

Family Applications (2)

Application Number Title Priority Date Filing Date
ES909003200A Expired - Lifetime ES2024361A6 (es) 1990-12-14 1990-12-14 Procedimiento de obtencion de zeolita 4a.
ES91500086T Expired - Lifetime ES2084799T3 (es) 1990-12-14 1991-07-31 Procedimiento y dispositivo para la obtencion de zeolita 4a.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES909003200A Expired - Lifetime ES2024361A6 (es) 1990-12-14 1990-12-14 Procedimiento de obtencion de zeolita 4a.

Country Status (8)

Country Link
EP (2) EP0490011B1 (es)
AT (2) ATE111058T1 (es)
CA (1) CA2057588C (es)
DE (2) DE69012339T2 (es)
DK (2) DK0490011T3 (es)
ES (2) ES2024361A6 (es)
GB (1) GB2252304A (es)
GR (1) GR3020031T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2068743B1 (es) * 1993-02-11 1995-11-16 Invest De Las Ind Ceramicas A Procedimiento de obtencion de zeolita a.
ES2161109B1 (es) * 1998-05-29 2002-06-16 Consejo Superior Investigacion Procedimiento optimizado para la obtencion de zeolitas a partir de lejias residuales de la industria de anodizacion y extrusion, utilizables en la formulacion de detergentes.
US5989518A (en) * 1998-12-29 1999-11-23 Uop Llc Process for synthesizing and controlling the particle size and particle size distribution of a molecular sieve
ES2333841B1 (es) 2009-08-28 2010-10-21 Fmc Foret S.A. Composicion fortificante reguladora de la transpiracion, protectora de hojas y frutos y utilizacion de la misma.
CN103755152B (zh) * 2013-12-17 2015-08-26 浙江大学 一种超疏水SiO2气凝胶薄膜的制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433588A (en) * 1964-03-20 1969-03-18 Pechiney Saint Gobain Method for the preparation of 4 angstrom unit zeolites
US4160011A (en) * 1974-12-26 1979-07-03 Texaco Inc. Crystalline aluminosilicate percursor
DE2653762C3 (de) * 1976-11-26 1979-06-28 Kernforschungsanlage Juelich Gmbh, 5170 Juelich Verfahren zur Aufarbeitung von Rotschlamm
FR2392932A1 (fr) * 1977-06-03 1978-12-29 Rhone Poulenc Ind Procede de fabrication d'un silico-aluminate alcalin cristallin, produit obtenu et application
FR2444005A1 (fr) * 1978-12-15 1980-07-11 Ugine Kuhlmann Procede industriel de fabrication en semi-continu de zeolithe a
IT1165442B (it) * 1979-01-26 1987-04-22 Montedison Spa Zeoliti di tipo a,ad elevato grado di cristallinita' e a granulometria fine e processo per la loro produzione
DD141918A1 (de) * 1979-02-20 1980-05-28 Rudolf Siebert Verfahren zur abtrennung stoerender organischer substanzen aus aluminatlaugen des bayer-prozesses
DD148625A1 (de) * 1980-01-17 1981-06-03 Friedrich Wolf Verfahren zur synthetischen herstellung von kristallinen,teilkristallinen oder amorphen alumosilikaten
JPS59227715A (ja) * 1983-06-09 1984-12-21 Toyo Soda Mfg Co Ltd 高シリカフオ−ジヤサイト型ゼオライトの製造法
FR2552070B1 (fr) * 1983-09-21 1987-09-11 Rhone Poulenc Chim Base Procede d'obtention d'une zeolite par alimentation en continu d'une solution aqueuse de silicate de sodium et d'une solution aqueuse d'aluminate de sodium, produit obtenu et application du produit a la detergence
RO93287B1 (ro) * 1985-08-12 1988-01-04 Emil Anton Antistatizant pentru polimeri vinilici si procedeu de obtinere a acestuia
DD292432A5 (de) * 1989-04-10 1991-08-01 ������@������������k�� Verfahren zur herstellung eines feinteiligen, kristallinen zeolithpulvers vom typ 4a mit vorherbestimmbarer korngroessenverteilung

Also Published As

Publication number Publication date
DE69012339D1 (de) 1994-10-13
EP0490011B1 (en) 1994-09-07
DK0490011T3 (da) 1994-11-07
GB2252304A (en) 1992-08-05
ATE134596T1 (de) 1996-03-15
DE69117506T2 (de) 1996-09-26
DE69117506D1 (de) 1996-04-04
EP0490011A1 (en) 1992-06-17
EP0525272B1 (en) 1996-02-28
GR3020031T3 (en) 1996-08-31
DK0525272T3 (da) 1996-06-24
CA2057588C (en) 2000-03-28
GB9102045D0 (en) 1991-03-13
EP0525272A1 (en) 1993-02-03
ATE111058T1 (de) 1994-09-15
DE69012339T2 (de) 1995-04-06
CA2057588A1 (en) 1992-06-15
ES2024361A6 (es) 1992-02-16

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