GB1143922A - Modified montmorillonites, compositions including said modified montmorillonites and methods for obtaining the modified montmorillonites - Google Patents

Modified montmorillonites, compositions including said modified montmorillonites and methods for obtaining the modified montmorillonites

Info

Publication number
GB1143922A
GB1143922A GB8539/66A GB853966A GB1143922A GB 1143922 A GB1143922 A GB 1143922A GB 8539/66 A GB8539/66 A GB 8539/66A GB 853966 A GB853966 A GB 853966A GB 1143922 A GB1143922 A GB 1143922A
Authority
GB
United Kingdom
Prior art keywords
modified montmorillonite
milliequivalents
modified
montmorillonite
quartz
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
Application number
GB8539/66A
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.)
Georgia Kaolin Co
Original Assignee
Georgia Kaolin Co
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
Priority claimed from US509687A external-priority patent/US3408305A/en
Application filed by Georgia Kaolin Co filed Critical Georgia Kaolin Co
Publication of GB1143922A publication Critical patent/GB1143922A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/131—Inorganic additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/015—Inorganic compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/294—Inorganic additives, e.g. silica
    • 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
    • B01J20/12—Naturally occurring clays or bleaching earth
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/16—Clays or other mineral silicates
    • 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
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/46—Amorphous silicates, e.g. so-called "amorphous zeolites"
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Cosmetics (AREA)

Abstract

1,143,922. Modified montmorillonite. GEORGIA KAOLIN CO. 25 Feb., 1966 [5 March, 1965; 22 Nov., 1965], No. 8539/66. Heading C1A. A modified montmorillonite contains exchangeable cations consisting essentially of the following per 100 gins thereof; (I) at least 5 milliequivalents of Ca and/or Mg, (II) at least 5 milliequivalents of NH 4 <SP>+</SP>, and (III) 0 to 20 milliequivalents of Na and/or Li. (I) may be in amounts up to 60 milliequivalents, and (II) to up 65. The modified montmorillonite may be prepared by heating a sodium or alkaline earth metal bentonite to 220-230‹ F, e.g. in a drum drier, to a water content of not more than 15 %wt. This is slaked by mixing 10-30 thereof with 90-70 parts water and is violently agitated to produce a mixture of hydrated montmorillonite (#0À5 Á), quartz (2-80 Á), and cristobalite (0À5-2 Á). The quartz and crystobalite may be removed by screening at this stage or later. The slurry is then treated with a source of NH 4 <SP>+</SP> with or without Na<SP>+</SP> and/or Li<SP>+</SP> to effect substitution of the alkaline earth metal cations and obtain the modified montmorillonite with a particle size less than 0À1 Á. The crystobalite and quartz may be separated, e.g. by centrifuging, and the modified montmorillonite dried. The NH 4 <SP>+</SP> compound may be (NH 4 ) 2 CO 3 , (NH 4 ) 2 C 2 O 4 , NH 4 F, or ammonium phosphate. The Na<SP>+</SP> compound may be sodium acetate, NaF or Na 2 C 2 O 4 , the Li<SP>+</SP> compound may be Li 2 CO 3 , lithium citrate or Li 2 C 2 O 4 . When (NH 4 ) 2 CO 3 is used sodium pyrophosphate or NH 4 OH may be added thereto. The modified montmorillonite may be dispersed in water to give a stable dispersion between pH 1 and 12, the viscosities of which are exemplified. The modified montmorillonite may be substantially free from water-soluble Ca and/or Mg compounds. The modified montmorillonite can be mixed with an amount of a source of Na and/or Li ions at least equivalent to the total amount of exchangeable NH 4 <SP>+</SP> and exchangeable Ca and/or Mg ions in the modified montmorillonite.
GB8539/66A 1965-03-05 1966-02-25 Modified montmorillonites, compositions including said modified montmorillonites and methods for obtaining the modified montmorillonites Expired GB1143922A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43759965A 1965-03-05 1965-03-05
US509687A US3408305A (en) 1965-11-22 1965-11-22 Modified montmorillonite containing exchangeable ammonium cations and preparation thereof

Publications (1)

Publication Number Publication Date
GB1143922A true GB1143922A (en) 1969-02-26

Family

ID=27031377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8539/66A Expired GB1143922A (en) 1965-03-05 1966-02-25 Modified montmorillonites, compositions including said modified montmorillonites and methods for obtaining the modified montmorillonites

Country Status (1)

Country Link
GB (1) GB1143922A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2918056A1 (en) * 2007-06-28 2009-01-02 Koramic Tuiles USE OF A PHOSPHATE AND / OR PHOSPHONATE COMPOUND IN A CLAY COMPOSITION TO PREVENT OR LIMIT THE FORMATION OF SULPHATED EFFLORESCENCE
CN112642408A (en) * 2020-12-29 2021-04-13 张建峰 Preparation method of MgO-loaded bentonite-sodium alginate composite ball
CN115231581A (en) * 2022-07-13 2022-10-25 中国地质大学（武汉） Method for removing cristobalite in bentonite and synchronously preparing medical montmorillonite

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2918056A1 (en) * 2007-06-28 2009-01-02 Koramic Tuiles USE OF A PHOSPHATE AND / OR PHOSPHONATE COMPOUND IN A CLAY COMPOSITION TO PREVENT OR LIMIT THE FORMATION OF SULPHATED EFFLORESCENCE
WO2009016288A2 (en) * 2007-06-28 2009-02-05 Koramic Tuiles Use of a phosphate and/or phosphonate compound in a clay composition to prevent or limit the formation of sulphate-based efflorescences
WO2009016288A3 (en) * 2007-06-28 2009-06-25 Koramic Tuiles Use of a phosphate and/or phosphonate compound in a clay composition to prevent or limit the formation of sulphate-based efflorescences
CN112642408A (en) * 2020-12-29 2021-04-13 张建峰 Preparation method of MgO-loaded bentonite-sodium alginate composite ball
CN115231581A (en) * 2022-07-13 2022-10-25 中国地质大学（武汉） Method for removing cristobalite in bentonite and synchronously preparing medical montmorillonite
CN115231581B (en) * 2022-07-13 2023-08-18 中国地质大学（武汉） Method for removing cristobalite in bentonite and synchronously preparing medical montmorillonite

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