AU7706991A

AU7706991A – Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials
– Google Patents

AU7706991A – Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials
– Google Patents
Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials

Info

Publication number
AU7706991A

AU7706991A
AU77069/91A
AU7706991A
AU7706991A
AU 7706991 A
AU7706991 A
AU 7706991A
AU 77069/91 A
AU77069/91 A
AU 77069/91A
AU 7706991 A
AU7706991 A
AU 7706991A
AU 7706991 A
AU7706991 A
AU 7706991A
Authority
AU
Australia
Prior art keywords
deferrization
pumice
kaolin
white pigment
electronics materials
Prior art date
1991-05-15
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.)

Granted

Application number
AU77069/91A
Other versions

AU638831B2
(en

Inventor
Bruno Passariello
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.)

Consiglio Nazionale delle Richerche CNR

Original Assignee
Consiglio Nazionale delle Richerche CNR
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.)
1991-05-24
Filing date
1991-05-15
Publication date
1992-11-26

1991-05-15
Application filed by Consiglio Nazionale delle Richerche CNR
filed
Critical
Consiglio Nazionale delle Richerche CNR

1992-11-26
Publication of AU7706991A
publication
Critical
patent/AU7706991A/en

1993-07-08
Application granted
granted
Critical

1993-07-08
Publication of AU638831B2
publication
Critical
patent/AU638831B2/en

2011-05-15
Anticipated expiration
legal-status
Critical

Status
Ceased
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES

C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE

C04B33/00—Clay-wares

C04B33/02—Preparing or treating the raw materials individually or as batches

C04B33/10—Eliminating iron or lime

C—CHEMISTRY; METALLURGY

C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR

C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS

C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black

C09C1/40—Compounds of aluminium

C09C1/42—Clays

C—CHEMISTRY; METALLURGY

C01—INORGANIC CHEMISTRY

C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

C01P2004/00—Particle morphology

C01P2004/30—Particle morphology extending in three dimensions

C01P2004/32—Spheres

C—CHEMISTRY; METALLURGY

C01—INORGANIC CHEMISTRY

C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

C01P2004/00—Particle morphology

C01P2004/51—Particles with a specific particle size distribution

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

C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

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

C01P2006/90—Other properties not specified above

Abstract

The present invention relates to a process for selectively purifying ceramic materials for glass, paper and electronics use contaminated with iron compounds, the process using ascorbic acid or its derivatives as the iron reducing agent.

AU77069/91A
1991-05-24
1991-05-15
Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials

Ceased

AU638831B2
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

EP91108421A

EP0514577B1
(en)

1991-05-24
1991-05-24
Process for the deironing of ceramic materials

Publications (2)

Publication Number
Publication Date

AU7706991A
true

AU7706991A
(en)

1992-11-26

AU638831B2

AU638831B2
(en)

1993-07-08

Family
ID=8206764
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU77069/91A
Ceased

AU638831B2
(en)

1991-05-24
1991-05-15
Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials

Country Status (6)

Country
Link

EP
(1)

EP0514577B1
(en)

AT
(1)

ATE159702T1
(en)

AU
(1)

AU638831B2
(en)

DE
(1)

DE69128076T2
(en)

DK
(1)

DK0514577T3
(en)

ES
(1)

ES2109927T3
(en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

GR1002723B
(en)

*

1995-05-24
1997-07-03

Process for the removal of iron from industrial minerals by leaching with oxalic acid and with the addition ferrous ions.

DE19649117C1
(en)

*

1996-11-27
1998-04-30
Gossler Thermal Ceramics Gmbh

Granular bulk material, process for producing a granular bulk material and use of the granular bulk material

ITMI20032217A1
(en)

*

2003-11-14
2005-05-15
Cavenaghi Spa

BINDER SYSTEM FOR LOW DEVELOPMENTAL OF AROMATIC HYDROCARBONS

EP2998411B1
(en)

2015-03-18
2017-06-07
Irt Ad
Method for processing refuse of flotation processing of ore concentrates containing iron

EP3260560B1
(en)

2016-06-24
2019-10-16
I.R.T. Ad
Method for processing of technological waste from the processing of copper ore and concentrates containing iron

CN110921805B
(en)

*

2019-12-13
2021-07-16
北京化工大学
Attapulgite clay reduction-magnetic separation coupling continuous iron removal whitening purification method

Family Cites Families (3)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1897638A
(en)

*

1930-03-04
1933-02-14
Silica Company Of California L
Purifying art

DE618022C
(en)

*

1932-09-14
1935-08-31
Adelheid Bleibtreu Geb Schmidt

Process for the extraction of compounds from minerals and rocks which are soluble in hydrogen halide acids

IT1243828B
(en)

*

1990-10-11
1994-06-28
Consiglio Nazionale Ricerche

PROCESS FOR THE REMOVAL OF IRON FROM CONCENTRATES OF CAOLINE, QUARTZ AND OTHER MATERIALS OF INDUSTRIAL INTEREST.

1991

1991-05-15
AU
AU77069/91A
patent/AU638831B2/en
not_active
Ceased

1991-05-24
DE
DE69128076T
patent/DE69128076T2/en
not_active
Expired – Fee Related

1991-05-24
DK
DK91108421.8T
patent/DK0514577T3/en
active

1991-05-24
ES
ES91108421T
patent/ES2109927T3/en
not_active
Expired – Lifetime

1991-05-24
EP
EP91108421A
patent/EP0514577B1/en
not_active
Expired – Lifetime

1991-05-24
AT
AT91108421T
patent/ATE159702T1/en
not_active
IP Right Cessation

Also Published As

Publication number
Publication date

ES2109927T3
(en)

1998-02-01

ATE159702T1
(en)

1997-11-15

DE69128076T2
(en)

1998-02-26

EP0514577B1
(en)

1997-10-29

EP0514577A1
(en)

1992-11-25

AU638831B2
(en)

1993-07-08

DE69128076D1
(en)

1997-12-04

DK0514577T3
(en)

1998-04-20

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