CS201503B2 - Melt alkali salts for the purification of low-alloy and plain carbon steel - Google Patents
Melt alkali salts for the purification of low-alloy and plain carbon steel Download PDFInfo
- Publication number
- CS201503B2 CS201503B2 CS844974A CS844974A CS201503B2 CS 201503 B2 CS201503 B2 CS 201503B2 CS 844974 A CS844974 A CS 844974A CS 844974 A CS844974 A CS 844974A CS 201503 B2 CS201503 B2 CS 201503B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- alloy
- low
- purification
- carbon steel
- alkali salts
- Prior art date
Links
- 238000000746 purification Methods 0.000 title description 5
- 229910000851 Alloy steel Inorganic materials 0.000 title description 4
- 229910000975 Carbon steel Inorganic materials 0.000 title 1
- 150000001447 alkali salts Chemical class 0.000 title 1
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 5
- 239000003518 caustics Substances 0.000 claims abstract description 4
- -1 Ferrous metals Chemical class 0.000 claims abstract description 3
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 159000000011 group IA salts Chemical class 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 238000005554 pickling Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
- C23G1/32—Heavy metals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17574473A DD109037A1 (de) | 1973-12-11 | 1973-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS201503B2 true CS201503B2 (en) | 1980-11-28 |
Family
ID=5494151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS844974A CS201503B2 (en) | 1973-12-11 | 1974-12-11 | Melt alkali salts for the purification of low-alloy and plain carbon steel |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT350093B (de) |
| CS (1) | CS201503B2 (de) |
| DD (1) | DD109037A1 (de) |
| DE (1) | DE2454464A1 (de) |
| FR (1) | FR2253845B1 (de) |
| GB (1) | GB1459288A (de) |
| HU (1) | HU170831B (de) |
| IT (1) | IT1026855B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2951130A1 (de) * | 1979-12-19 | 1981-06-25 | Degussa Ag, 6000 Frankfurt | Verfahren zum abloesen von formsandresten an gussteilen |
-
1973
- 1973-12-11 DD DD17574473A patent/DD109037A1/xx unknown
-
1974
- 1974-11-16 DE DE19742454464 patent/DE2454464A1/de not_active Withdrawn
- 1974-11-20 AT AT928674A patent/AT350093B/de not_active IP Right Cessation
- 1974-12-06 IT IT3028074A patent/IT1026855B/it active
- 1974-12-10 HU HU74HE00000672A patent/HU170831B/hu unknown
- 1974-12-10 GB GB5345574A patent/GB1459288A/en not_active Expired
- 1974-12-11 FR FR7440755A patent/FR2253845B1/fr not_active Expired
- 1974-12-11 CS CS844974A patent/CS201503B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA928674A (de) | 1978-10-15 |
| DD109037A1 (de) | 1974-10-12 |
| FR2253845A1 (de) | 1975-07-04 |
| GB1459288A (en) | 1976-12-22 |
| AT350093B (de) | 1979-05-10 |
| IT1026855B (it) | 1978-10-20 |
| FR2253845B1 (de) | 1978-06-23 |
| DE2454464A1 (de) | 1975-06-12 |
| HU170831B (hu) | 1977-09-28 |
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