FR2409231A1 - Nouvelle silice cristalline polymorphe et son procede de preparation - Google Patents

Nouvelle silice cristalline polymorphe et son procede de preparation

Info

Publication number
FR2409231A1
FR2409231A1 FR7734776A FR7734776A FR2409231A1 FR 2409231 A1 FR2409231 A1 FR 2409231A1 FR 7734776 A FR7734776 A FR 7734776A FR 7734776 A FR7734776 A FR 7734776A FR 2409231 A1 FR2409231 A1 FR 2409231A1
Authority
FR
France
Prior art keywords
crystalline silica
preparation process
polymorphic crystalline
new polymorphic
silica
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.)
Granted
Application number
FR7734776A
Other languages
English (en)
Other versions
FR2409231B1 (fr
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of FR2409231A1 publication Critical patent/FR2409231A1/fr
Application granted granted Critical
Publication of FR2409231B1 publication Critical patent/FR2409231B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
    • B01D15/34—Size selective separation, e.g. size exclusion chromatography, gel filtration, permeation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
    • C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicon Compounds (AREA)

Abstract

L'INVENTION CONCERNE UNE NOUVELLE SILICE CRISTALLINE POLYMORPHE QUI POSSEDE, APRES CALCINATION DANS L'AIR A 600C PENDANT 1HEURE, UN INDICE DE REFRACTION MOYEN DE 1,39 0,01 ET UN POIDS SPECIFIQUE A 25C DE 1,70 0,05GCM. ELLE CONCERNE EGALEMENT UN PROCEDE DE PREPARATION DE CETTE SILICE POLYMORPHE. LA SILICE POLYMORPHE DE L'INVENTION PEUT ETRE APPLIQUEE A LA SEPARATION DE MOLECULES ORGANIQUES DE LEURS MELANGES AVEC DE L'EAU.
FR7734776A 1977-11-17 1977-11-18 Nouvelle silice cristalline polymorphe et son procede de preparation Granted FR2409231A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751443A DE2751443C3 (de) 1977-11-17 1977-11-17 Kristallines Siliciumdioxid

Publications (2)

Publication Number Publication Date
FR2409231A1 true FR2409231A1 (fr) 1979-06-15
FR2409231B1 FR2409231B1 (fr) 1982-11-12

Family

ID=6023977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734776A Granted FR2409231A1 (fr) 1977-11-17 1977-11-18 Nouvelle silice cristalline polymorphe et son procede de preparation

Country Status (5)

Country Link
BE (1) BE860979A (fr)
DE (1) DE2751443C3 (fr)
FR (1) FR2409231A1 (fr)
GB (1) GB1592809A (fr)
NL (1) NL7712970A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564451A1 (fr) * 1984-05-18 1985-11-22 Raffinage Cie Francaise Nouvelle silice microporeuse cristallisee, son procede de preparation et ses applications
EP0473509A2 (fr) * 1990-08-29 1992-03-04 Rhone-Poulenc Chimie Procédé de préparation de zéolithes à base de silice et éventuellement d'oxydes d'éléments tétravalents
FR2674516A1 (fr) * 1991-03-27 1992-10-02 Rhone Poulenc Chimie Procede de preparation de zeolithes a base de silice.

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909930C2 (de) 1979-03-14 1984-05-10 Basf Ag, 6700 Ludwigshafen Neue kristalline SiO↓2↓-Modifikation und Verfahren zu ihrer Herstellung
DE3100942C2 (de) * 1981-01-14 1982-10-14 Reinhard Dr. Dipl.-Chem. 8920 Schongau Matouschek Verfahren zur Herstellung kristalliner Natriumsilikate und kristallisierter Formen des hydratisierten Siliciumdioxids sowie ihre Verwendung
AU2066483A (en) * 1982-11-06 1984-05-10 British Petroleum Company Plc, The Ultra pure high crystallinity silicas
GB2139204B (en) * 1983-05-06 1986-10-08 Univ Moskovsk Process for producing fine-crystalline-quartz
DE3317327C2 (de) * 1983-05-11 1986-07-24 Institut obščej i neorganičeskoj chimii imeni N.S. Kurnakova, Moskau/Moskva Verfahren zur Gewinnung von feinkristallinem α-Quarz
DE3928688A1 (de) * 1989-08-30 1991-03-07 Kali Chemie Ag Neues kristallines siliziumdioxid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941871A (en) * 1973-11-02 1976-03-02 Mobil Oil Corporation Crystalline silicates and method of preparing the same
FR2365519A1 (fr) * 1976-09-27 1978-04-21 Union Carbide Corp Silice polymorphe de synthese et son procede de preparation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941871A (en) * 1973-11-02 1976-03-02 Mobil Oil Corporation Crystalline silicates and method of preparing the same
FR2365519A1 (fr) * 1976-09-27 1978-04-21 Union Carbide Corp Silice polymorphe de synthese et son procede de preparation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564451A1 (fr) * 1984-05-18 1985-11-22 Raffinage Cie Francaise Nouvelle silice microporeuse cristallisee, son procede de preparation et ses applications
EP0473509A2 (fr) * 1990-08-29 1992-03-04 Rhone-Poulenc Chimie Procédé de préparation de zéolithes à base de silice et éventuellement d'oxydes d'éléments tétravalents
EP0473509A3 (fr) * 1990-08-29 1992-03-18 Rhone-Poulenc Chimie Procédé de préparation de zéolithes à base de silice et éventuellement d'oxydes d'éléments tétravalents
FR2674516A1 (fr) * 1991-03-27 1992-10-02 Rhone Poulenc Chimie Procede de preparation de zeolithes a base de silice.

Also Published As

Publication number Publication date
GB1592809A (en) 1981-07-08
DE2751443C3 (de) 1980-08-14
DE2751443B2 (de) 1979-11-29
DE2751443A1 (de) 1979-05-23
NL7712970A (nl) 1979-05-28
FR2409231B1 (fr) 1982-11-12
BE860979A (fr) 1978-05-18

Similar Documents

Publication Publication Date Title
FR2365519A1 (fr) Silice polymorphe de synthese et son procede de preparation
FR2409231A1 (fr) Nouvelle silice cristalline polymorphe et son procede de preparation
FR2440963B1 (fr) Melanges de caoutchouc donnant des vulcanisats exempts de reversion, et procede pour leur vulcanisation
FR2351991A1 (fr) Nouvelle preparation de tannin insoluble dans l'eau, son procede de preparation et ses applications
NZ193447A (en) Drain plug operable by lift rod
AR217575A1 (es) Direccion por cremallera con refuerzo hidraulico de las fuerzas de conduccion
BE863808A (fr) Procede de production de l'acide 5-methyltetrahydrofoliquded
ES248082Y (es) Marco de perfil de goma para la zona de transicion de carro-ceria a luna de vidrio en la construccion de vehiculos
IT7983466A0 (it) Procedimento per la filtrazione di silice precipitante.
BE805781A (fr) Procede de recueil de l'acide fluorhydrique avec elimination des impuretes soufrees
PT66584B (fr) Procede de preparation de nouvelle aryltrifluoroethylamines
PT68966A (fr) Procede de preparation de nouveaux thiobutyramides
BR7904950A (pt) Rolo condutor de lingotes para uma usina de fundicao de lingotes
FR2438627A1 (fr) Procede de purification d'eau polluee
PT67673B (fr) Procede de preparation de nouvelles oximes derivees de l'acide 3-thiadiazolyl thiomethyl 7-amino thiazolyl acetamidecephalosporanique
BE855165A (fr) Procede de production de l'acide quadrique
OA06697A (fr) Anilides de l'acide thioglycolique doués de propriétés fongicides.
JPS5369127A (en) Culture soil by utilizing soil provided from water purifying process as raw material
AR223008A1 (es) Composicion de goma vulcanizable inhibida de su vulcanizacion prematura y metodo para obtenerla
BE873659A (fr) Procede de production de l'acide 4-amino-butyrique ou de ses derives
BE825190A (fr) Procede pour la realisation de toile de renfort pour vetements ainsi que les vetements realises a l'aide de cette toile de renfort
GB349597A (en) Improvements relating to gutters and the manufacture of trough-like elements from setting materials
JPS5545959A (en) Method of reinforcement by using highhtension bolt as drawing member
FR2379503B1 (fr) Procede de preparation de l'isoviolanthrone
FR2502075B1 (fr) Pavillon de vehicule avec toit ouvrant

Legal Events

Date Code Title Description
ST Notification of lapse