ZA854740B - Purification of solutions of sodium aluminate in the bayer cycle by the removal of sodium oxalate - Google Patents

Purification of solutions of sodium aluminate in the bayer cycle by the removal of sodium oxalate

Info

Publication number
ZA854740B
ZA854740B ZA854740A ZA854740A ZA854740B ZA 854740 B ZA854740 B ZA 854740B ZA 854740 A ZA854740 A ZA 854740A ZA 854740 A ZA854740 A ZA 854740A ZA 854740 B ZA854740 B ZA 854740B
Authority
ZA
South Africa
Prior art keywords
sodium
purification
removal
solutions
bayer cycle
Prior art date
Application number
ZA854740A
Inventor
Jean Fabre
Eric Lavalou
Francois Nicolas
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of ZA854740B publication Critical patent/ZA854740B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
    • C01F7/473Removal of organic compounds, e.g. sodium oxalate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ZA854740A 1984-06-25 1985-06-24 Purification of solutions of sodium aluminate in the bayer cycle by the removal of sodium oxalate ZA854740B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8410187A FR2566382B1 (en) 1984-06-25 1984-06-25 PURIFICATION OF BAYER SODIUM ALUMINATE SOLUTIONS BY REMOVAL OF SODIUM OXALATE

Publications (1)

Publication Number Publication Date
ZA854740B true ZA854740B (en) 1986-02-26

Family

ID=9305536

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA854740A ZA854740B (en) 1984-06-25 1985-06-24 Purification of solutions of sodium aluminate in the bayer cycle by the removal of sodium oxalate

Country Status (3)

Country Link
JP (1) JPS6114124A (en)
FR (1) FR2566382B1 (en)
ZA (1) ZA854740B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53400B2 (en) * 1972-12-06 1978-01-07
HU166060B (en) * 1973-04-09 1975-01-28
FR2328660A1 (en) * 1975-10-21 1977-05-20 Pechiney Aluminium IMPROVEMENT IN THE PURIFICATION OF CIRCULATING SOLUTIONS IN THE BAYER CYCLE
FR2404600A1 (en) * 1977-09-30 1979-04-27 Pechiney Aluminium Sodium hydroxide soln. purification - by lime addn. and concn. by evaporation esp. for treating Bayer process recycle soln.
JPS5731527A (en) * 1980-08-01 1982-02-20 Daiken Trade & Ind Co Ltd Manufacture of sheet overlay decorated panel
US4443416A (en) * 1983-04-18 1984-04-17 Kaiser Aluminum & Chemical Corporation Purification of bayer process liquors

Also Published As

Publication number Publication date
JPH0329005B2 (en) 1991-04-22
JPS6114124A (en) 1986-01-22
FR2566382A1 (en) 1985-12-27
FR2566382B1 (en) 1986-10-24

Similar Documents

Publication Publication Date Title
DE3571023D1 (en) Use of lamellar crystalline sodium silicates in water-softening processes
GB2159810B (en) Water purification process
GB8505517D0 (en) Water purification
EP0186312A3 (en) Purification of bayer process liquors
GB2144987B (en) Improvements in or relating to wall plaques
GB2160853B (en) Removal of sodium oxalate from solutions of sodium aluminate in the bayer cycle
GB8809811D0 (en) Apparatus for decomposing sodium aluminate liquors to produce alumina
YU43983A (en) Process for reducing the loss of sodium hydroxide in the manufacture of alumina by the bayer method
GB2122591B (en) Crystalline silicate catalyst
GB2122595B (en) Phosphohemihydrate purification
GB8418463D0 (en) Purifying crystals
GB8411902D0 (en) Washing solution purification
YU197783A (en) Process for the purification of aqueous uranium solutions
GB8621428D0 (en) Recovering sodium aluminate
ZA854740B (en) Purification of solutions of sodium aluminate in the bayer cycle by the removal of sodium oxalate
GB8719259D0 (en) Water purification
GB8334639D0 (en) Removal of radium from acidic solutions
DE3461023D1 (en) Purification of bayer process liquors
GB8431988D0 (en) Dispersible alpha alumina monohydrate
IL69039A0 (en) Sweetener solution purification process
GB8419397D0 (en) Crystalline silicates
HUT44740A (en) Process for purifying aluminium oxide
GB8609879D0 (en) Crystalline aluminium silicate
IE850786L (en) Processing sodium oxalate to form sodium aluminate
IE850787L (en) Processing sodium oxalate to form sodium aluminate