FR2097431A5 - Procede de blanchiment d'argiles au moyen de solutions aqueuses acides de dithionite - Google Patents
Procede de blanchiment d'argiles au moyen de solutions aqueuses acides de dithioniteInfo
- Publication number
- FR2097431A5 FR2097431A5 FR7025057A FR7025057A FR2097431A5 FR 2097431 A5 FR2097431 A5 FR 2097431A5 FR 7025057 A FR7025057 A FR 7025057A FR 7025057 A FR7025057 A FR 7025057A FR 2097431 A5 FR2097431 A5 FR 2097431A5
- Authority
- FR
- France
- Prior art keywords
- dithionite
- redox potential
- controlled
- potential measurement
- bleaching clay
- Prior art date
- 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.)
- Expired
Links
- 239000004927 clay Substances 0.000 title abstract 3
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 title abstract 3
- 238000004061 bleaching Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 title 1
- 239000002535 acidifier Substances 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7025057A FR2097431A5 (fr) | 1970-07-06 | 1970-07-06 | Procede de blanchiment d'argiles au moyen de solutions aqueuses acides de dithionite |
| BE769042A BE769042A (fr) | 1970-07-06 | 1971-06-25 | Procede de blanchiment d'argiles au moyen de solutions aqueusesacides de dithionite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7025057A FR2097431A5 (fr) | 1970-07-06 | 1970-07-06 | Procede de blanchiment d'argiles au moyen de solutions aqueuses acides de dithionite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2097431A5 true FR2097431A5 (fr) | 1972-03-03 |
Family
ID=9058358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7025057A Expired FR2097431A5 (fr) | 1970-07-06 | 1970-07-06 | Procede de blanchiment d'argiles au moyen de solutions aqueuses acides de dithionite |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE769042A (fr) |
| FR (1) | FR2097431A5 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451440A (en) * | 1982-10-28 | 1984-05-29 | Georgia Kaolin Company, Inc. | Utilization of ion exchange resin in the processing of kaolins |
-
1970
- 1970-07-06 FR FR7025057A patent/FR2097431A5/fr not_active Expired
-
1971
- 1971-06-25 BE BE769042A patent/BE769042A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE769042A (fr) | 1971-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |