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Aluminum Oxide

  1. L. Keith Hudson,
  2. Chanakya Misra,
  3. Anthony J. Perrotta,
  4. Karl Wefers,
  5. F. S. Williams

Published Online: 15 JUN 2000

DOI: 10.1002/14356007.a01_557

Ullmann's Encyclopedia of Industrial Chemistry

Ullmann's Encyclopedia of Industrial Chemistry

How to Cite

Hudson, L. K., Misra, C., Perrotta, A. J., Wefers, K. and Williams, F. S. 2000. Aluminum Oxide. Ullmann's Encyclopedia of Industrial Chemistry. .

Author Information

  1. Aluminum Company of America, Alcoa Center, Pennsylvania, United States

Publication History

  1. Published Online: 15 JUN 2000

Chemistry Terms

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Abstract

The article contains sections titled:

1.General Aspects
1.1.Aluminum Hydroxides
1.2.Aluminum Oxide Hydroxides
1.3.Aluminum Oxide, Corundum
1.4.The Al2O3 - H2O System
1.5.Thermal Decomposition of Aluminum Hydroxides
1.6.Aluminates and Related Compounds
2.Bauxite, the Principal Raw Material
2.1.Definition and Geology
2.2.Composition and Properties
2.3.Genesis of Bauxites
2.4.Major Bauxite Deposits
2.5.Economic Aspects
3.Bayer Process
3.1.History and Procedure
3.1.1.Bauxite Preparation
3.1.2.Digestion
3.1.3.Equipment
3.1.4.Residue Separation
3.1.5.Precipitation
3.1.6.Impurities
3.1.7.Calcination
3.1.8.Evaporation
3.1.9.Residue Disposal
3.1.10.Energy in the Process
3.2.Economic Aspects
4.Other Processes for Alumina Production
4.1.Raw Materials
4.2.Alkaline Processes
4.3.Acid Processes
5.Metallurgical Alumina
5.1.Alumina Properties Required for Smelting
5.2.Typical Specifications for Metallurgical Alumina
6.Industrial Alumina Chemicals
6.1.Aluminum Hydroxides
6.2.Adsorbent and Catalytic Aluminas
6.2.1.Preparation of Activated Aluminas
6.2.2.Adsorbent Applications
6.2.3.Catalytic Applications
7.Ceramic Uses of Alumina
7.1.Calcined Alumina
7.2.Fused Alumina
8.Toxicology and Industrial Hygiene