DK0387492T3 - Process for producing sodium aluminate - Google Patents

Process for producing sodium aluminate

Info

Publication number
DK0387492T3
DK0387492T3 DK90100820.1T DK90100820T DK0387492T3 DK 0387492 T3 DK0387492 T3 DK 0387492T3 DK 90100820 T DK90100820 T DK 90100820T DK 0387492 T3 DK0387492 T3 DK 0387492T3
Authority
DK
Denmark
Prior art keywords
sodium aluminate
naalo2
spray
suspension
drying
Prior art date
Application number
DK90100820.1T
Other languages
Danish (da)
Inventor
Helmut Dr Dillenburg
Wolfgang Heinen
Dietmar Dr Heinrich
Original Assignee
Solvay Werke Gmbh
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 Solvay Werke Gmbh filed Critical Solvay Werke Gmbh
Application granted granted Critical
Publication of DK0387492T3 publication Critical patent/DK0387492T3/en

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B01D1/18—Evaporating by spraying to obtain dry solids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

Sodium aluminate of the general formula NaAlO2, NaAlO2 x 1.5 H2O and/or NaAlO2 x XH2O is prepared by reaction of hydrated aluminum and/or aluminium hydride with an excess of sodium hydroxide. In this process, first a suspension of the reactants is prepared in a mixing vessel at temperatures of 20 to 120 DEG C and this suspension is passed under pressure through at least one heatable reaction tube connected to the mixing vessel and the sodium aluminate solution obtained is subjected to spray-drying, in which gas outlet temperature of the gas used for the spray-drying is brought to 130 to 190 DEG C.
DK90100820.1T 1989-03-16 1990-01-16 Process for producing sodium aluminate DK0387492T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3908661A DE3908661A1 (en) 1989-03-16 1989-03-16 METHOD FOR PRODUCING SODIUM ALUMINATE

Publications (1)

Publication Number Publication Date
DK0387492T3 true DK0387492T3 (en) 1994-01-17

Family

ID=6376523

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90100820.1T DK0387492T3 (en) 1989-03-16 1990-01-16 Process for producing sodium aluminate

Country Status (6)

Country Link
EP (1) EP0387492B1 (en)
JP (1) JPH02283613A (en)
AT (1) ATE97887T1 (en)
DE (2) DE3908661A1 (en)
DK (1) DK0387492T3 (en)
ES (1) ES2046539T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311716C1 (en) * 1993-04-08 1994-11-24 Giulini Chemie Process for the preparation of pure alkali aluminates
FR2728886A1 (en) * 1994-12-28 1996-07-05 Softal High purity sodium aluminate powder or granules
ES2277556B1 (en) * 2005-12-26 2008-06-16 Safloc, S.L. PROCEDURE FOR THE MANUFACTURE OF BASIC ALUMINUM SALTS AND THEIR DERIVATIVES FROM ALUMINUM WASTE AND APPLICATIONS.
CN100546920C (en) * 2006-12-01 2009-10-07 华南理工大学 A kind of preparation method of high concentration polymerized aluminium sulfate flocculant
CN110272063B (en) * 2019-07-22 2020-05-05 山东利尔新材股份有限公司 Method for producing high-purity sodium metaaluminate by using waste liquid from titanium dioxide production

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261958A (en) * 1978-04-11 1981-04-14 Pevzner Ilya Z Process for the production of sodium aluminate
DK151198B (en) * 1984-10-26 1987-11-09 Niro Atomizer As SPRAY WHEEL FOR USE IN A SPRAY WASHER
ATE68986T1 (en) * 1987-07-03 1991-11-15 Ciba Geigy Ag SPRAY DRYERS FOR THE PRODUCTION OF POWDERS, AGGLOMERATES OR THE LIKE.

Also Published As

Publication number Publication date
DE3908661A1 (en) 1990-10-18
DE59003644D1 (en) 1994-01-13
ES2046539T3 (en) 1994-02-01
EP0387492A1 (en) 1990-09-19
JPH02283613A (en) 1990-11-21
ATE97887T1 (en) 1993-12-15
EP0387492B1 (en) 1993-12-01

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