DE2338212C3 - Verfahren zur Herstellung von nadeiförmigem Goethit - Google Patents
Verfahren zur Herstellung von nadeiförmigem GoethitInfo
- Publication number
- DE2338212C3 DE2338212C3 DE19732338212 DE2338212A DE2338212C3 DE 2338212 C3 DE2338212 C3 DE 2338212C3 DE 19732338212 DE19732338212 DE 19732338212 DE 2338212 A DE2338212 A DE 2338212A DE 2338212 C3 DE2338212 C3 DE 2338212C3
- Authority
- DE
- Germany
- Prior art keywords
- water
- iron
- acicular
- production
- goethite
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims 9
- 229910052598 goethite Inorganic materials 0.000 title claims 8
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 title claims 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 229910002588 FeOOH Inorganic materials 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 239000011541 reaction mixture Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 7
- 239000012670 alkaline solution Substances 0.000 claims 7
- 230000001590 oxidative effect Effects 0.000 claims 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 4
- 239000007788 liquid Substances 0.000 claims 4
- 239000006247 magnetic powder Substances 0.000 claims 4
- QGPQTSCLUYMZHL-UHFFFAOYSA-N iron(3+);oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Fe+3].[Fe+3] QGPQTSCLUYMZHL-UHFFFAOYSA-N 0.000 claims 3
- 239000002244 precipitate Substances 0.000 claims 3
- 239000007858 starting material Substances 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 2
- 150000007513 acids Chemical class 0.000 claims 2
- 239000001569 carbon dioxide Substances 0.000 claims 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 239000013078 crystal Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 2
- -1 iron (II) compound Chemical class 0.000 claims 2
- 239000008399 tap water Substances 0.000 claims 2
- 235000020679 tap water Nutrition 0.000 claims 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000004848 polyfunctional curative Substances 0.000 claims 1
- 238000001953 recrystallisation Methods 0.000 claims 1
- 238000011946 reduction process Methods 0.000 claims 1
- 239000012266 salt solution Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 229910006540 α-FeOOH Inorganic materials 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732338212 DE2338212C3 (de) | 1973-07-27 | 1973-07-27 | Verfahren zur Herstellung von nadeiförmigem Goethit |
| GB3269974A GB1462918A (en) | 1973-07-27 | 1974-07-24 | Method of preparing acicular goethite |
| JP8503274A JPS542920B2 (OSRAM) | 1973-07-27 | 1974-07-24 | |
| FR7425905A FR2238672B1 (OSRAM) | 1973-07-27 | 1974-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732338212 DE2338212C3 (de) | 1973-07-27 | 1973-07-27 | Verfahren zur Herstellung von nadeiförmigem Goethit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2338212A1 DE2338212A1 (de) | 1975-02-13 |
| DE2338212B2 DE2338212B2 (de) | 1979-03-22 |
| DE2338212C3 true DE2338212C3 (de) | 1979-11-08 |
Family
ID=5888168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732338212 Expired DE2338212C3 (de) | 1973-07-27 | 1973-07-27 | Verfahren zur Herstellung von nadeiförmigem Goethit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS542920B2 (OSRAM) |
| DE (1) | DE2338212C3 (OSRAM) |
| FR (1) | FR2238672B1 (OSRAM) |
| GB (1) | GB1462918A (OSRAM) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE633384A (OSRAM) * | 1962-06-08 | 1963-12-09 |
-
1973
- 1973-07-27 DE DE19732338212 patent/DE2338212C3/de not_active Expired
-
1974
- 1974-07-24 GB GB3269974A patent/GB1462918A/en not_active Expired
- 1974-07-24 JP JP8503274A patent/JPS542920B2/ja not_active Expired
- 1974-07-25 FR FR7425905A patent/FR2238672B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2338212B2 (de) | 1979-03-22 |
| FR2238672B1 (OSRAM) | 1977-10-14 |
| GB1462918A (en) | 1977-01-26 |
| FR2238672A1 (OSRAM) | 1975-02-21 |
| JPS542920B2 (OSRAM) | 1979-02-15 |
| DE2338212A1 (de) | 1975-02-13 |
| JPS5081999A (OSRAM) | 1975-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1592470A1 (de) | Verfahren zur Herstellung eines spinellartigen Ferritpulvers,sowie nach diesem Verfahren hergestellte Ferritteilchen | |
| WO1999048815A1 (de) | VERFAHREN ZUR HERSTELLUNG VON EISENOXID-PIGMENTEN AUS DÜNNSÄURE AUS DER TiO2-HERSTELLUNG | |
| DE2017041B2 (de) | Verfahren zur Abscheidung von Schwermetallen aus Abwässern | |
| EP1339803B1 (de) | Verfahren zur herstellung von eisenoxidgelbpigmenten | |
| DE69415566T2 (de) | Verfahren zur Herstellung von synthetischem Rutil | |
| DE2443942B2 (de) | Gewinnung eines kristallinen Ausgangsmaterials von 1-2 mym Teilchengröße aus Eisenionen enthaltendem, saurem Abwasser | |
| EP0045028B1 (de) | Verfahren zur Herstellung magnetischer Eisenoxide | |
| DE1767105A1 (de) | Verfahren zur Herstellung eines hochreinen FeOOH-Pulvers | |
| DE3224325A1 (de) | Verfahren zur herstellung von nadelfoermigen, ferrimagnetischen eisenoxiden | |
| DE2650890C2 (de) | Verfahren zur Herstellung von nadelförmigem, kobaltdotiertem, magnetischem Eisenoxid | |
| EP0188765B1 (de) | Verfahren zur Herstellung von isometrischen magnetischen Eisenoxidpigmenten | |
| EP0160877B1 (de) | Verfahren zur Herstellung von feinteiligem isotropem kobalthaltigem Ferritpulver | |
| DE2045561A1 (de) | Verfahren zur Herstellung feiner Goethitknstalle | |
| DE2338212A1 (de) | Verfahren zur herstellung von nadelfoermigem goethit | |
| DE2737075C2 (OSRAM) | ||
| DE2508085A1 (de) | Verfahren zur herstellung von gleichachsigem magnetit | |
| DE3325613A1 (de) | Verfahren zur herstellung von kobalt und zweiwertiges eisen enthaltendem, ferromagnetischem eisenoxid | |
| DE1204644B (de) | Verfahren zur Herstellung von insbesondere als Ausgangsmaterial fuer die Herstellung von hochkoerzitivem ª†-Eisen(III)-oxyd geeignetem nadelfoermigem Eisenoxydgelb, alpha-OH | |
| DE1144248B (de) | Verfahren zur Herstellung von hochwertigem Eisenoxyd aus Eisensulfat | |
| DE2461937C3 (de) | Verfahren zur Herstellung nadeiförmiger Eisenoxide für die Herstellung von Magnetogrammträgern | |
| DE2425202A1 (de) | Verfahren zur verminderung des eisengehalts von fabrikabwaessern | |
| DE2648305B2 (de) | Modifiziertes ferromagnetisches Chromdioxid und Verfahren zu seiner Herstellung | |
| EP0003824B1 (de) | Verfahren zur Herstellung von Eisenoxidpigmenten und Natriumsulfat | |
| DE2047181A1 (de) | Verfahren zur Herstellung feiner Goethitkristalle | |
| DE2758229C2 (de) | Verfahren zur gleichzeitigen Herstellung von Gips und Magnetit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |