ClassID:

85635

C01F7/0653 - 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; Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry

Recent Application in this class:
#1
20230051612
2023-02-16

ACID WASH OF RED MUD (BAUXITE RESIDUE)

#2
20220185688
2022-06-16

Acid wash of red mud (bauxite residue)

#3
20200031683
2020-01-30

Systems and methods for alumina production

#4
20200024148
2020-01-23

Recovery of mining processing product using boronic acid-containing polymers

#5
20190300636
2019-10-03

SILICON CONTAINING POLYMER FLOCCULANTS

#6
20190241693
2019-08-08

SILICON CONTAINING POLYMER FLOCCULANTS

#7
20170158522
2017-06-08

Recovery of mining processing product using boronic acid-containing polymers

#8
20170001876
2017-01-05

Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore

#9
20160185613
2016-06-30

Water-in-Oil Emulsion Compositions and Methods for Making and Using the Same

#10
20160159660
2016-06-09

Silicon containing polymer flocculants

#11
20140091042
2014-04-03

Washing method of goethite-containing red mud

#12
20130195739
2013-08-01

Cross-linked ethylsulfonated dihydroxypropyl cellulose

#13
20130112627
2013-05-09

Chemical treatment to improve red mud separation and washing in the bayer process

#14
20130058847
2013-03-07

Methods to improve filtration for the Bayer process

#15
20130048571
2013-02-28

FLOCCULANT COMPOSITIONS CONTAINING SILICON-CONTAINING POLYMERS

#16
20120153209
2012-06-21

Microdispersions of hydroxamated polymers and methods of making and using them

#17
20120152852
2012-06-21

PROCESSES FOR REMOVING HYDRAZINE FROM HYDROXYLAMINE SOLUTIONS

#18
20120125862
2012-05-24

Use of silicon-containing polymers to improve red mud flocculation in the bayer process

#19
20120103916
2012-05-03

USE OF SILICON-CONTAINING POLYMERS FOR IMPROVED FLOCCULATION OF SOLIDS IN PROCESSES FOR THE PRODUCTION OF ALUMINA FROM BAUXITE

#20
20120034142
2012-02-09

Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides

#21
20110150754
2011-06-23

Water-in-oil-in-water emulsions of hydroxamated polymers and methods for using the same

#22
20100098607
2010-04-22

USE OF SILICON-CONTAINING POLYMERS FOR IMPROVED FLOCCULATION OF SOLIDS IN PROCESSES FOR THE PRODUCTION OF ALUMINA FROM BAUXITE

#23
20090176118
2009-07-09

Method for manufacturing aluminum salt solution, aluminum salt solution, aluminum salt, water purifying apparatus using the same, and articles manufactured by using the same

#24
20080257827
2008-10-23

USE OF SILICON-CONTAINING POLYMERS TO IMPROVE RED MUD FLOCCULATION IN THE BAYER PROCESS

#25
20070003462
2007-01-04

Removal of non-water soluble substances from solutions of aqueous metal extracts

#26
20060276597
2006-12-07

High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors

#27
20060273040
2006-12-07

High molecular weight polymers containing pendant salicylic acid groups for clarifying Bayer process liquors

#28
20060191853
2006-08-31

Water-in-oil-in-water emulsions of hydroxamated polymers and methods for using the same