FI951922A0 - Foerfarande foer behandling av ferrosulfat - Google Patents
Foerfarande foer behandling av ferrosulfatInfo
- Publication number
- FI951922A0 FI951922A0 FI951922A FI951922A FI951922A0 FI 951922 A0 FI951922 A0 FI 951922A0 FI 951922 A FI951922 A FI 951922A FI 951922 A FI951922 A FI 951922A FI 951922 A0 FI951922 A0 FI 951922A0
- Authority
- FI
- Finland
- Prior art keywords
- ferrous sulphate
- ferrous
- sulphate
- sulphate ferrous
- Prior art date
Links
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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/149—Iron-sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/14—Sulfates
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00112—Mixtures characterised by specific pH values
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1075—Chromium-free or very low chromium-content materials
- C04B2111/1081—Chromium VI, e.g. for avoiding chromium eczema
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951922A FI100966B (fi) | 1995-04-21 | 1995-04-21 | Menetelmä ferrosulfaatin käsittelemiseksi |
| PCT/FI1996/000198 WO1996033133A1 (en) | 1995-04-21 | 1996-04-12 | Method for treating ferrous sulphate |
| EP96910049A EP0821656A1 (en) | 1995-04-21 | 1996-04-12 | Method for treating ferrous sulphate |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951922A FI100966B (fi) | 1995-04-21 | 1995-04-21 | Menetelmä ferrosulfaatin käsittelemiseksi |
| FI951922 | 1995-04-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI951922A0 true FI951922A0 (fi) | 1995-04-21 |
| FI951922A FI951922A (fi) | 1996-10-22 |
| FI100966B FI100966B (fi) | 1998-03-31 |
Family
ID=8543287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI951922A FI100966B (fi) | 1995-04-21 | 1995-04-21 | Menetelmä ferrosulfaatin käsittelemiseksi |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0821656A1 (fi) |
| FI (1) | FI100966B (fi) |
| WO (1) | WO1996033133A1 (fi) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2761679B1 (fr) * | 1997-04-08 | 1999-06-18 | Carrieres Du Boulonnais | Procede pour l'elimination d'acides sulfureux residuaires de traitement industriel et pour l'obtention de produits stables |
| DE10000709A1 (de) * | 2000-01-10 | 2001-07-19 | Mg Technologies Ag | Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen |
| DE10157129C2 (de) * | 2001-11-21 | 2003-10-30 | Ferro Duo Gmbh | Verfahren zur Herstellung eines hydraulischen Bindemittels |
| ATE294148T1 (de) * | 2003-01-25 | 2005-05-15 | Alexander Kehrmann | Chromatreduziertes hydraulisches bindemittel |
| DE10332530A1 (de) * | 2003-07-17 | 2005-02-10 | Kerr-Mcgee Pigments Gmbh | Verfahren zur Reduktion des löslichen Chromatgehaltes in Zement sowie eine Zubereitung aus Zement und wasserlöslichen Metallsulfaten |
| ES2266711T5 (es) † | 2003-12-12 | 2016-07-14 | Alexander Kehrmann | Aglutinante hidráulico |
| EP1580175A1 (de) * | 2004-03-23 | 2005-09-28 | Alexander Kehrmann | Zuschlagsstoff für Beton |
| WO2008000855A1 (es) * | 2006-06-27 | 2008-01-03 | Aditivos Del Cemento, S.L. | Procedimiento de obtencion de un aditivo para el cemento y aditivo asi conseguido |
| MX2008016171A (es) | 2006-06-28 | 2009-05-28 | Sachtleben Pigments Oy | Metodo para tratar un precipitado que comprende sulfato de hierro (ii) monohidratado, una instalacion, material granular y sus usos. |
| ES2302296T3 (es) * | 2006-06-28 | 2008-07-01 | Kemira Pigments Oy | Procedimiento de tratamiento de un precipitado que comprende sulfato de hierro (ii) monohidratado, una instalacion, un material granular y sus utilizaciones. |
| US7717999B1 (en) | 2008-12-24 | 2010-05-18 | The National Titanium Dioxide, Co., Ltd. (Cristal) | Titanium production waste byproduct as partial cement replacement |
| CN101955233B (zh) * | 2010-08-30 | 2012-07-11 | 攀枝花圣地元科技有限责任公司 | 生产一水硫酸亚铁的方法 |
| CN113060948A (zh) * | 2021-04-01 | 2021-07-02 | 重庆康尼睿能商贸有限公司 | 一种水泥生料及水泥的制备方法 |
| ES2926356B2 (es) * | 2021-04-14 | 2023-02-27 | Aditivos Del Cemento S L | MEZCLA REDUCTORA DE Cr(VI) CONTENIDO EN CEMENTO A Cr(III) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1581539A (en) * | 1976-10-07 | 1980-12-17 | Laporte Industries Ltd | Making plaster from ferrous sulphate |
| JPS59501825A (ja) * | 1982-11-17 | 1984-11-01 | アクテイ−ゼルスカベツト アアルボルグ ポ−トランド−セメント−フアブリク | 紛末特性の改良方法 |
-
1995
- 1995-04-21 FI FI951922A patent/FI100966B/fi not_active IP Right Cessation
-
1996
- 1996-04-12 WO PCT/FI1996/000198 patent/WO1996033133A1/en not_active Application Discontinuation
- 1996-04-12 EP EP96910049A patent/EP0821656A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996033133A1 (en) | 1996-10-24 |
| FI951922A (fi) | 1996-10-22 |
| FI100966B (fi) | 1998-03-31 |
| EP0821656A1 (en) | 1998-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GB | Transfer or assigment of application |
Owner name: FINNSEMENTTI OY |
|
| MA | Patent expired |