FR1474885A - Procédé de détartrage des appareils utilisés pour la concentration des solutions d'aluminate de sodium - Google Patents

Procédé de détartrage des appareils utilisés pour la concentration des solutions d'aluminate de sodium

Info

Publication number
FR1474885A
FR1474885A FR48595A FR48595A FR1474885A FR 1474885 A FR1474885 A FR 1474885A FR 48595 A FR48595 A FR 48595A FR 48595 A FR48595 A FR 48595A FR 1474885 A FR1474885 A FR 1474885A
Authority
FR
France
Prior art keywords
concentration
devices used
sodium aluminate
aluminate solutions
descaling devices
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
FR48595A
Other languages
English (en)
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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Priority to FR48595A priority Critical patent/FR1474885A/fr
Priority to US614013A priority patent/US3499793A/en
Application granted granted Critical
Publication of FR1474885A publication Critical patent/FR1474885A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00252—Formation of deposits other than coke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR48595A 1966-02-07 1966-02-07 Procédé de détartrage des appareils utilisés pour la concentration des solutions d'aluminate de sodium Expired FR1474885A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR48595A FR1474885A (fr) 1966-02-07 1966-02-07 Procédé de détartrage des appareils utilisés pour la concentration des solutions d'aluminate de sodium
US614013A US3499793A (en) 1966-02-07 1967-02-06 Process for descaling devices used in concentrating sodium aluminate solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR48595A FR1474885A (fr) 1966-02-07 1966-02-07 Procédé de détartrage des appareils utilisés pour la concentration des solutions d'aluminate de sodium

Publications (1)

Publication Number Publication Date
FR1474885A true FR1474885A (fr) 1967-03-31

Family

ID=8600681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR48595A Expired FR1474885A (fr) 1966-02-07 1966-02-07 Procédé de détartrage des appareils utilisés pour la concentration des solutions d'aluminate de sodium

Country Status (2)

Country Link
US (1) US3499793A (fr)
FR (1) FR1474885A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713119A (en) * 1986-03-20 1987-12-15 Stauffer Chemical Company Process for removing alkali metal aluminum silicate scale deposits from surfaces of chemical process equipment
FR2860782B1 (fr) * 2003-10-10 2006-09-29 Pechiney Aluminium Procede pour reduire l'encrassement des echangeurs thermiques d'un circuit bayer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859734A (en) * 1928-12-21 1932-05-24 Electro Metallurg Co Method of removing oxide coatings from metals
US2832703A (en) * 1955-05-13 1958-04-29 Kaiser Aluminium Chem Corp Chemical process
US2935430A (en) * 1956-12-27 1960-05-03 Kaiser Aluminium Chem Corp Method of removing scale
US3074823A (en) * 1959-05-01 1963-01-22 Kaiser Aluminium Chem Corp Method for removing complex sodium aluminum silicate scale
US3369934A (en) * 1964-02-27 1968-02-20 Navy Usa Method for removing vanadium deposits from the fire side of heat transfer surfaces
US3443992A (en) * 1964-10-23 1969-05-13 Reynolds Metals Co Cleaning evaporator tubes

Also Published As

Publication number Publication date
US3499793A (en) 1970-03-10

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