GB2173181B - Alpha alumina production in a steam-fluidized reactor - Google Patents

Alpha alumina production in a steam-fluidized reactor

Info

Publication number
GB2173181B
GB2173181B GB08607139A GB8607139A GB2173181B GB 2173181 B GB2173181 B GB 2173181B GB 08607139 A GB08607139 A GB 08607139A GB 8607139 A GB8607139 A GB 8607139A GB 2173181 B GB2173181 B GB 2173181B
Authority
GB
United Kingdom
Prior art keywords
steam
alpha alumina
fluidized reactor
alumina production
fluidized
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
GB08607139A
Other versions
GB8607139D0 (en
GB2173181A (en
Inventor
Steven William Sucech
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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
Priority claimed from US06/717,937 external-priority patent/US4618374A/en
Priority claimed from US06/719,559 external-priority patent/US4585645A/en
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Publication of GB8607139D0 publication Critical patent/GB8607139D0/en
Publication of GB2173181A publication Critical patent/GB2173181A/en
Application granted granted Critical
Publication of GB2173181B publication Critical patent/GB2173181B/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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C01F7/445—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination making use of a fluidised bed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB08607139A 1985-03-29 1986-03-21 Alpha alumina production in a steam-fluidized reactor Expired GB2173181B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/717,937 US4618374A (en) 1985-03-29 1985-03-29 High solids processing of kaolinitic clays with post-leaching oxidation
US06/719,559 US4585645A (en) 1985-04-03 1985-04-03 Alpha alumina production in a steam-fluidized reactor

Publications (3)

Publication Number Publication Date
GB8607139D0 GB8607139D0 (en) 1986-04-30
GB2173181A GB2173181A (en) 1986-10-08
GB2173181B true GB2173181B (en) 1988-12-21

Family

ID=27109801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08607139A Expired GB2173181B (en) 1985-03-29 1986-03-21 Alpha alumina production in a steam-fluidized reactor

Country Status (1)

Country Link
GB (1) GB2173181B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1248038A (en) * 1959-10-28 1960-12-09 Electrochimie Electrometallurg Anhydrous aluminas manufacturing process
GB1143880A (en) * 1967-06-16 1900-01-01
US4402932A (en) * 1982-05-07 1983-09-06 The United States Of America As Represented By The Secretary Of The Interior Thermal decomposition of aluminum chloride hexahydrate

Also Published As

Publication number Publication date
GB8607139D0 (en) 1986-04-30
GB2173181A (en) 1986-10-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020321