DE422269C - Process for the production of a finely divided iron oxide - Google Patents
Process for the production of a finely divided iron oxideInfo
- Publication number
- DE422269C DE422269C DEB114219D DEB0114219D DE422269C DE 422269 C DE422269 C DE 422269C DE B114219 D DEB114219 D DE B114219D DE B0114219 D DEB0114219 D DE B0114219D DE 422269 C DE422269 C DE 422269C
- Authority
- DE
- Germany
- Prior art keywords
- finely divided
- iron oxide
- production
- divided iron
- oxide
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims description 4
- 229940087654 iron carbonyl Drugs 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Catalysts (AREA)
Description
Verfahren zur Herstellung eines fein verteilten Eisenoxydes. Es wurde gefunden, daß man ein äußerst fein -verteiltes Eisenoxyd erhält, das für verschiedene Zwecke gut. brauchbar ist, wenn man Eisencarbonyl mit Sauerstoff bzw. Luft verbrennt.Process for the production of a finely divided iron oxide. It was found that an extremely finely divided iron oxide is obtained which is suitable for various Purposes well. is useful if iron carbonyl is burned with oxygen or air.
Beispielsweise werden Eisencarbonyldämpfe für sich oder zusammen mit mäßigen Mengen anderer brennbarer Gase oder Dämpfe und gegebenenfalls in Verdünnung mit nicht brennbaren Gasen entzündet; das entstehende fein verteilte Eisenoxyd wird aus den Verbrennungsgasen abgeschieden. Die Verbrennung kann auch unter Mitwirkung von Katalysatoren, z. B. Platinasbest,- geschehen. Das erhaltene Pulver kann für verschiedene Zwecke, z. B. als Mineralfarbe oder als Poliermittel oder für die Herstellung fein verteilten reinen Eisens, verwendet werden.For example, iron carbonyl vapors by themselves or together with moderate amounts of other flammable gases or vapors and, if necessary, in dilution ignited with non-combustible gases; the resulting finely divided iron oxide becomes separated from the combustion gases. The incineration can also take place with the assistance of catalysts, e.g. B. platinum asbestos, - happen. The powder obtained can be used for different purposes, e.g. B. as mineral paint or as a polishing agent or for manufacturing finely divided pure iron, can be used.
Beispiel. Mittels eines Körtingschen Zerstäubers wird flüssiges Eisencarbonyl durch Preßluft oder ein anderes sauerstoffhaltiges Gas zerstäubt bzw. verdampft und das erhaltene Gemisch in ein auf rund 5oo°, zweckmäßig elektrisch beheiztes Rohr eingeführt. Die Luftmenge wird zweckmäßig in größerem Überscbuß genommen. Die Reaktion setzt sogleich ein. Nach kurzer Zeit ist die äußere Zufuhr von Wärme überflüssig; im weiteren Verlauf des Vorganges kann es sogar nötig werden, für Wärmeabfuhr zu sorgen.Example. Liquid iron carbonyl is produced using a Körting atomizer atomized or evaporated by compressed air or another oxygen-containing gas and the mixture obtained in a heated to around 5oo °, expediently electrically Tube inserted. The amount of air is expediently taken in a larger excess. the The reaction starts immediately. After a short time, the external supply of heat is superfluous; in the further course of the process it may even be necessary to remove heat care for.
Das entstehende fein verteilte Eisenoxyd wird großenteils durch den Gasstrom mitgeführt und in einer mit mehreren Lagen von Filtermaterial etagenmäßig versehenen Kammer abgeschieden. Die festen Teilchen setzen sich hierbei entsprechend ihrer Teilchengröße auf den verschiedenen Etagen nieder, während die Verbrennungsgase entweichen.The resulting finely divided iron oxide is largely absorbed by the Gas flow carried along and in a tiered manner with several layers of filter material provided chamber deposited. The solid particles settle accordingly their particle size settles on the different floors, while the combustion gases escape.
Je nach der Verbrennungstemperatur und der Verweilzeit des Produktes in der Verbrennungskammer erhält man das Oxyd in verschiedenem Dispersitätsgrad, mit verschieden roten Farbtönen, die man durch entsprechende Nachbehandlung, z. B. Nachglühen, noch verändern kann.Depending on the combustion temperature and the residence time of the product in the combustion chamber the oxide is obtained in different degrees of dispersion, with different red shades, which can be achieved by appropriate post-treatment, e.g. B. afterglow, can still change.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB114219D DE422269C (en) | 1924-05-24 | 1924-05-24 | Process for the production of a finely divided iron oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB114219D DE422269C (en) | 1924-05-24 | 1924-05-24 | Process for the production of a finely divided iron oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE422269C true DE422269C (en) | 1925-11-27 |
Family
ID=6993695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEB114219D Expired DE422269C (en) | 1924-05-24 | 1924-05-24 | Process for the production of a finely divided iron oxide |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE422269C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2459114A1 (en) * | 1974-12-13 | 1976-06-16 | Siemens Ag | Heat treatment of magnetic or piezoelectric powder - prior to moulding and sintering, comprising spray heating in controlled atmos |
| DE3208325A1 (en) * | 1981-03-13 | 1982-09-23 | Basf Ag, 6700 Ludwigshafen | Process for the preparation of iron oxides |
| EP2904053B1 (en) | 2012-10-05 | 2020-04-08 | BASF Corporation | Iron oxide containing effect pigments, their manufacture, and their use |
-
1924
- 1924-05-24 DE DEB114219D patent/DE422269C/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2459114A1 (en) * | 1974-12-13 | 1976-06-16 | Siemens Ag | Heat treatment of magnetic or piezoelectric powder - prior to moulding and sintering, comprising spray heating in controlled atmos |
| DE3208325A1 (en) * | 1981-03-13 | 1982-09-23 | Basf Ag, 6700 Ludwigshafen | Process for the preparation of iron oxides |
| EP2904053B1 (en) | 2012-10-05 | 2020-04-08 | BASF Corporation | Iron oxide containing effect pigments, their manufacture, and their use |
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