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ES425654A1 - Process for magnetic benefication of clays - Google Patents

Process for magnetic benefication of clays

Info

Publication number
ES425654A1
ES425654A1 ES425654A ES425654A ES425654A1 ES 425654 A1 ES425654 A1 ES 425654A1 ES 425654 A ES425654 A ES 425654A ES 425654 A ES425654 A ES 425654A ES 425654 A1 ES425654 A1 ES 425654A1
Authority
ES
Spain
Prior art keywords
magnetic
particles
suspension
magnetic separation
subjecting
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
ES425654A
Other languages
Spanish (es)
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.)
JM Huber Corp
Original Assignee
JM Huber 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 JM Huber Corp filed Critical JM Huber Corp
Publication of ES425654A1 publication Critical patent/ES425654A1/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
    • C04B33/04—Clay; Kaolin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Detergent Compositions (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

An improved method of removing discolourants from a clay by a procedure that includes the step of separating tiny, weakly susceptible particles of magnetic attraction from an aqueous clay-water suspension containing such particles in small concentrations, with tiny ore particles substantially non-magnetic, subjecting said suspension to magnetic separation in an intense magnetic field; wherein the improvement comprises: subjecting said suspension to treatment with a chemical release agent to remove contaminating particles from said suspension before said magnetic separation step, thereby selectively dispersing said contaminating particles, thereby facilitating said magnetic separation . (Machine-translation by Google Translate, not legally binding)
ES425654A 1973-04-27 1974-04-25 Process for magnetic benefication of clays Expired ES425654A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35525173A 1973-04-27 1973-04-27

Publications (1)

Publication Number Publication Date
ES425654A1 true ES425654A1 (en) 1976-06-16

Family

ID=23396781

Family Applications (1)

Application Number Title Priority Date Filing Date
ES425654A Expired ES425654A1 (en) 1973-04-27 1974-04-25 Process for magnetic benefication of clays

Country Status (8)

Country Link
JP (1) JPS50116378A (en)
AT (1) AT333218B (en)
BR (1) BR7403345D0 (en)
CA (1) CA1023770A (en)
DE (1) DE2420436A1 (en)
ES (1) ES425654A1 (en)
FR (1) FR2227242B1 (en)
GB (1) GB1474554A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5342443A (en) * 1993-04-06 1994-08-30 Engelhard Corporation Method for bleaching kaolin clay
GB0204430D0 (en) 2002-02-26 2002-04-10 Leuven K U Res & Dev Magnet
GB0319797D0 (en) 2003-08-26 2003-09-24 Leuven K U Res & Dev Particle size reduction of poorly soluble drugs

Also Published As

Publication number Publication date
CA1023770A (en) 1978-01-03
ATA341474A (en) 1976-03-15
AU6803674A (en) 1975-10-23
DE2420436A1 (en) 1974-11-14
FR2227242B1 (en) 1977-06-24
BR7403345D0 (en) 1974-11-19
AT333218B (en) 1976-11-10
FR2227242A1 (en) 1974-11-22
JPS50116378A (en) 1975-09-11
GB1474554A (en) 1977-05-25

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