FR906265A - Process for precipitating alumina hydrate from alkali aluminate solutions - Google Patents

Process for precipitating alumina hydrate from alkali aluminate solutions

Info

Publication number
FR906265A
FR906265A FR906265DA FR906265A FR 906265 A FR906265 A FR 906265A FR 906265D A FR906265D A FR 906265DA FR 906265 A FR906265 A FR 906265A
Authority
FR
France
Prior art keywords
alumina hydrate
alkali aluminate
aluminate solutions
precipitating alumina
precipitating
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
Other languages
French (fr)
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.)
Dyckerhoff GmbH
Original Assignee
Dyckerhoff Portland Zementwerke AG
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 Dyckerhoff Portland Zementwerke AG filed Critical Dyckerhoff Portland Zementwerke AG
Application granted granted Critical
Publication of FR906265A publication Critical patent/FR906265A/en
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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
    • C01F7/142—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent with carbon dioxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
FR906265D 1943-10-18 1944-08-03 Process for precipitating alumina hydrate from alkali aluminate solutions Expired FR906265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE906265X 1943-10-18

Publications (1)

Publication Number Publication Date
FR906265A true FR906265A (en) 1945-12-28

Family

ID=6862650

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906265D Expired FR906265A (en) 1943-10-18 1944-08-03 Process for precipitating alumina hydrate from alkali aluminate solutions

Country Status (1)

Country Link
FR (1) FR906265A (en)

Similar Documents

Publication Publication Date Title
FR950183A (en) Process for the purification of aqueous solutions
CH336808A (en) Process for the preparation of activated alumina from hydrargillite
FR906265A (en) Process for precipitating alumina hydrate from alkali aluminate solutions
FR976555A (en) Process for the precipitation of alumina in dilute sodium aluminate solutions
FR894739A (en) Process for continuously precipitating the alumina contained in alkali aluminate solutions
FR986672A (en) Process for removing alkalis from precipitated alumina
FR985922A (en) Process for the purification of alumina
FR1292741A (en) Process for the calcination of alumina hydrate
FR906376A (en) Process for preparing alumina
FR906267A (en) Process for obtaining alumina
FR1041612A (en) New primers for the precipitation of alumina from alkali aluminate solutions
FR52218E (en) Process for obtaining alumina
FR96002E (en) Process for the production of alumina crystals of abrasive character.
FR57406E (en) Alumina extraction process
FR805782A (en) Process for precipitating alumina from lime aluminate solutions
FR985465A (en) Process for recovering the sodium hydroxide contained in the residual sludge resulting from the extraction of alumina with sodium salts
FR989201A (en) Purification process for aluminate solutions
FR903081A (en) Process and installation for the continuous desilicification of aluminate liquors
FR878773A (en) Process for obtaining alumina
FR900374A (en) Alumina extraction process
FR951295A (en) Process for the alkylation of alkylatable hydrocarbons
FR1518194A (en) Process for the production of alumina crystals of abrasive character
FR892632A (en) Process for separating phosphorus and vanadium salts from aluminate solution during the production of alumina by the bayer process
FR887290A (en) Process for producing very finely dispersed alumina
FR1330971A (en) Process for the production of alumina hydrate