GB924912A - Improvements in or relating to the treatment of natural clays - Google Patents

Improvements in or relating to the treatment of natural clays

Info

Publication number
GB924912A
GB924912A GB406061A GB406061A GB924912A GB 924912 A GB924912 A GB 924912A GB 406061 A GB406061 A GB 406061A GB 406061 A GB406061 A GB 406061A GB 924912 A GB924912 A GB 924912A
Authority
GB
United Kingdom
Prior art keywords
clay
natural clays
relating
treatment
sodium carbonate
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
GB406061A
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.)
FR DES GLYCERINES SOC
Original Assignee
FR DES GLYCERINES SOC
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 FR DES GLYCERINES SOC filed Critical FR DES GLYCERINES SOC
Publication of GB924912A publication Critical patent/GB924912A/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
    • 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
    • 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)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

The viscosity of natural clays is improved by ion exchange of the calcium or magnesium ions of the clay with sodium ions, usually by sodium carbonate in solution, and simultaneously adding 0,25 to 3% by weight of magnesium oxide powder. The process may be effected by first humidifying the natural clay for example, hextonite with 10 to 20% water and then adding the magnesium oxide and sodium carbonate, after which the resulting mixture is pressed and dried. The resulting clay may be used for, drilling sludges, sealing and as an agglomerant of foundry sands.
GB406061A 1960-02-09 1961-02-02 Improvements in or relating to the treatment of natural clays Expired GB924912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR817956A FR1256585A (en) 1960-02-09 1960-02-09 Process for improving the qualities, in particular the viscosity of clays

Publications (1)

Publication Number Publication Date
GB924912A true GB924912A (en) 1963-05-01

Family

ID=8724938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB406061A Expired GB924912A (en) 1960-02-09 1961-02-02 Improvements in or relating to the treatment of natural clays

Country Status (6)

Country Link
BE (1) BE599131A (en)
CH (1) CH392360A (en)
ES (1) ES264041A1 (en)
FR (1) FR1256585A (en)
GB (1) GB924912A (en)
NL (1) NL260010A (en)

Also Published As

Publication number Publication date
BE599131A (en) 1961-05-16
FR1256585A (en) 1961-03-24
NL260010A (en)
CH392360A (en) 1965-05-15
ES264041A1 (en) 1961-05-16

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