NO127818B - - Google Patents
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- Publication number
- NO127818B NO127818B NO05198/68A NO519868A NO127818B NO 127818 B NO127818 B NO 127818B NO 05198/68 A NO05198/68 A NO 05198/68A NO 519868 A NO519868 A NO 519868A NO 127818 B NO127818 B NO 127818B
- Authority
- NO
- Norway
- Prior art keywords
- ferro
- oxidation
- chromium
- temperature
- oxidized
- Prior art date
Links
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 57
- 238000007254 oxidation reaction Methods 0.000 claims description 51
- 230000003647 oxidation Effects 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 230000020169 heat generation Effects 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- 229910052799 carbon Inorganic materials 0.000 description 20
- 238000005245 sintering Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000005243 fluidization Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005262 decarbonization Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 e.g. air Chemical compound 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP42084730A JPS5010805B1 (OSRAM) | 1967-12-29 | 1967-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO127818B true NO127818B (OSRAM) | 1973-08-20 |
Family
ID=13838791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO05198/68A NO127818B (OSRAM) | 1967-12-29 | 1968-12-27 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5010805B1 (OSRAM) |
| CA (1) | CA919920A (OSRAM) |
| DE (1) | DE1817453B1 (OSRAM) |
| FR (1) | FR1601811A (OSRAM) |
| NO (1) | NO127818B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767477A (en) * | 1971-12-27 | 1973-10-23 | Eastman Kodak Co | Method for producing oxide coated iron powder of controlled resistance for electrostatic copying systems |
| JPS5268006A (en) * | 1975-12-03 | 1977-06-06 | Daido Steel Co Ltd | Push type furnace tray |
-
1967
- 1967-12-29 JP JP42084730A patent/JPS5010805B1/ja active Pending
-
1968
- 1968-12-24 CA CA038712A patent/CA919920A/en not_active Expired
- 1968-12-27 NO NO05198/68A patent/NO127818B/no unknown
- 1968-12-27 FR FR1601811D patent/FR1601811A/fr not_active Expired
- 1968-12-30 DE DE19681817453 patent/DE1817453B1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5010805B1 (OSRAM) | 1975-04-24 |
| FR1601811A (en) | 1970-09-14 |
| CA919920A (en) | 1973-01-30 |
| DE1817453B1 (de) | 1971-04-01 |
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