GR990100450A - Method of production of a feciso4 (iii) solution according to din 19602/2.87 - Google Patents
Method of production of a feciso4 (iii) solution according to din 19602/2.87Info
- Publication number
- GR990100450A GR990100450A GR990100450A GR990100450A GR990100450A GR 990100450 A GR990100450 A GR 990100450A GR 990100450 A GR990100450 A GR 990100450A GR 990100450 A GR990100450 A GR 990100450A GR 990100450 A GR990100450 A GR 990100450A
- Authority
- GR
- Greece
- Prior art keywords
- din
- feciso4
- production
- standard
- iii
- Prior art date
Links
Landscapes
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The present invention aims at revealing a method for the production of FeCISO4 according to DIN 19602/2.87, using widely commercially available raw materials that are friendly to the operator, such as 30-37 % hydrochloric acid, dense 60-99 % sulphuric acid and hematite (trivalent iron oxide) of a Fe2O3 content of at least 90 % w/w in power form of a size distribution less than 1 mm in an acid resistance pressure reactor.According to the method the reaction product must be finally adjusted for conformance to the specification of the to DIN 19602/2.87 standard and the AWWA B407-93 standard (for free acidity).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR99100450 | 1999-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
GR990100450A true GR990100450A (en) | 2001-08-31 |
GR1003752B GR1003752B (en) | 2002-01-15 |
Family
ID=10944010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR990100450A GR1003752B (en) | 1999-12-30 | 1999-12-30 | Method of production of a feciso4 (iii) solution according to din 19602/2.87 |
Country Status (1)
Country | Link |
---|---|
GR (1) | GR1003752B (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207201A (en) * | 1977-03-11 | 1980-06-10 | Kronos Titan Gmbh | Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution |
WO1995018069A1 (en) * | 1993-12-30 | 1995-07-06 | Kemira Oy | Process for the preparation of a sulfate- and hydroxide-based ferric compound |
-
1999
- 1999-12-30 GR GR990100450A patent/GR1003752B/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207201A (en) * | 1977-03-11 | 1980-06-10 | Kronos Titan Gmbh | Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution |
WO1995018069A1 (en) * | 1993-12-30 | 1995-07-06 | Kemira Oy | Process for the preparation of a sulfate- and hydroxide-based ferric compound |
Non-Patent Citations (2)
Title |
---|
CHEMICAL ABSTRACTS, vol. 125, no. 20, 1996, Columbus, Ohio, US; abstract no. 252111, GREPPI, EUSEBIO: "Ferric chloride sulfate, a flocculant of natural origin" XP002177210 * |
GREPPI, EUSEBIO: "Ferric chloride sulfate, a flocculant of natural origin", INQUINAMENTO, vol. 38, no. 7, 1996, pages 70 - 72 * |
Also Published As
Publication number | Publication date |
---|---|
GR1003752B (en) | 2002-01-15 |
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Legal Events
Date | Code | Title | Description |
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PG | Patent granted | ||
ML | Lapse due to non-payment of fees |