Patent · US Expired

Apparatus for manufacture of low-soda alumina granules

US4260585A · kind A · utility

2Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 1978
Grant dateApr 7, 1981
Priority date
Expiry dateFeb 16, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2004/50
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Low-soda alumina granules suitable for use as an alumina porcelain insulator and alumina catalyst carrier, and the method and equipment for their manufacture. The method comprises dehydrating aluminum hydroxide at a high temperature and then granulating it. The granules thus obtained are placed in an autoclave, washed and cured with water drops, then taken out of the autoclave dried and fired. The manufacturing equipment is used for curing the granules with water drops.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.