C01F7/06 - CPC Classification Index

ClassID:

85627 ⎘

C01F7/06 - CPC Classification

Classification description:

Compounds of aluminium; Aluminium oxide; Aluminium hydroxide; Aluminates; Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process

Sub-classes:

C01F7/0606 » {Make-up of the alkali hydroxide solution from recycled spent liquor} 12
C01F7/0613 » {Pretreatment of the minerals, e.g. grinding} 11
C01F7/062 » {Digestion} 5
C01F7/0646 » {Separation of the insoluble residue, e.g. red mud} 11
C01F7/066 » {Treatment of the separated residue} 38
C01F7/0666 » {Process control or regulation } 3
C01F7/0673 » {from phosphate-containing minerals} 1
C01F7/068 » {from carbonate-containing minerals, e.g. dawsonite} 0
C01F7/0686 » {from sulfate-containing minerals, e.g. alunite} 1
C01F7/0693 » {from waste-like raw materials, e.g. fly ash, Bayer calcination dust} 8

Recent Application in this class:

20240376563

PROCESS FOR DRY BENEFICIATION OF BAUXITE MINERALS BY ELECTROSTATIC SEGREGATION

20220259061

Purification of ores using boronic acid-functional compounds

20150240328

Alternative additives to enhance slurry dewatering

20140124451

Surfactant based small molecules for reducing aluminosilicate scale in the bayer process

20140091042

Washing method of goethite-containing red mud

20130052124

Method for preparing high-purity alumina

20070080114

Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina

20060278358

Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina