GB878679A - Improvements in or relating to the production of black oxide or iron - Google Patents
Improvements in or relating to the production of black oxide or ironInfo
- Publication number
- GB878679A GB878679A GB11090/58A GB1109058A GB878679A GB 878679 A GB878679 A GB 878679A GB 11090/58 A GB11090/58 A GB 11090/58A GB 1109058 A GB1109058 A GB 1109058A GB 878679 A GB878679 A GB 878679A
- Authority
- GB
- United Kingdom
- Prior art keywords
- converter dust
- dust
- converter
- employed
- gases
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 6
- 229910052742 iron Inorganic materials 0.000 title abstract 3
- 239000000428 dust Substances 0.000 abstract 11
- 239000007789 gas Substances 0.000 abstract 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 6
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- 229940056319 ferrosoferric oxide Drugs 0.000 abstract 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 abstract 1
- 239000003245 coal Substances 0.000 abstract 1
- 239000002817 coal dust Substances 0.000 abstract 1
- 239000000571 coke Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000010685 fatty oil Substances 0.000 abstract 1
- 239000000295 fuel oil Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002480 mineral oil Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 235000013379 molasses Nutrition 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 238000003921 particle size analysis Methods 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000004071 soot Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
Pigmentary ferrosoferric oxide is prepared by heating converter dust, obtained by refining iron with oxygen bearing gases, with solid or gaseous carbonaceous reducing agents or hydrogen containing gases, the converter dust employed having a size predominantly below 5 microns. The reduction is preferably effected at 500-800 DEG C. and air is preferably excluded. The product has the same particle size analysis as the original converter dust and any slight agglomeration may be broken up by passage through a pin mill. The converter dust employed may be the dust removed from the exhaust gases of converters or the sludge obtained in wet separating processes after drying and disintegrating. Suitable reducing agents, which are preferably employed in stoichiometric excess, are finely ground coal, charcoal, coke or soot, normally employed in amounts of 1-6% by weight of converter dust; fuel oils, mineral oils and fatty oils, waste sulphite liquor and molasses may be similarly employed. Gaseous reducing agents may be hydrogen, carbon monoxide or gas mixtures containing them in which case the converter dust may be entrained in the gases. As a modification the hot exhaust gases from the iron converter, containing the converter dust in suspension may be subjected directly to partial reduction so that the ferrosoferric oxide formed is subsequently precipitated from the exhaust gases. Once reduction is complete the iron oxide should be quenched to below 300 DEG C. preferably with a liquid such as water. The converter dust or the ferrosoferric oxide obtained therefrom may be treated with dilute hydrochloric acid to remove impurities. According to an example converter dust was mixed with 5% of coal dust, crushed and fed to a rotary kiln heated to 650 DEG C.; the material leaving the kiln was cooled to about 100 DEG C. and broken up in a pin mill. Further examples relate to the reduction of converter dust with spindle oil and carbon monoxide respectively.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT878679X | 1957-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB878679A true GB878679A (en) | 1961-10-04 |
Family
ID=3682636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11090/58A Expired GB878679A (en) | 1957-04-11 | 1958-04-08 | Improvements in or relating to the production of black oxide or iron |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB878679A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1508007B1 (en) * | 1965-06-23 | 1972-07-06 | Ct Sperimentale Metallurg S P | Process for the production of iron powder for powder metallurgical purposes |
| DE102019207824A1 (en) * | 2019-05-28 | 2020-12-03 | Thyssenkrupp Steel Europe Ag | Process for the production of iron powder |
| RU2792956C1 (en) * | 2022-07-28 | 2023-03-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный технический университет" ФГБОУВО "ЯГТУ" | Method for obtaining an adsorbent for purification of washing wastewater from hexavalent chromium |
-
1958
- 1958-04-08 GB GB11090/58A patent/GB878679A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1508007B1 (en) * | 1965-06-23 | 1972-07-06 | Ct Sperimentale Metallurg S P | Process for the production of iron powder for powder metallurgical purposes |
| DE102019207824A1 (en) * | 2019-05-28 | 2020-12-03 | Thyssenkrupp Steel Europe Ag | Process for the production of iron powder |
| RU2792956C1 (en) * | 2022-07-28 | 2023-03-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный технический университет" ФГБОУВО "ЯГТУ" | Method for obtaining an adsorbent for purification of washing wastewater from hexavalent chromium |
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