NO127016B - - Google Patents
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- Publication number
- NO127016B NO127016B NO04693/69A NO469369A NO127016B NO 127016 B NO127016 B NO 127016B NO 04693/69 A NO04693/69 A NO 04693/69A NO 469369 A NO469369 A NO 469369A NO 127016 B NO127016 B NO 127016B
- Authority
- NO
- Norway
- Prior art keywords
- iron
- sulphide
- sulphite
- sodium
- sulfur
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 19
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- 239000001913 cellulose Substances 0.000 claims description 16
- 229920002678 cellulose Polymers 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 14
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- 239000000155 melt Substances 0.000 claims description 11
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 238000010411 cooking Methods 0.000 claims description 8
- FPNCFEPWJLGURZ-UHFFFAOYSA-L iron(2+);sulfite Chemical compound [Fe+2].[O-]S([O-])=O FPNCFEPWJLGURZ-UHFFFAOYSA-L 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 8
- 235000010265 sodium sulphite Nutrition 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 150000001447 alkali salts Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 5
- 241001062472 Stokellia anisodon Species 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000003518 caustics Substances 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 150000002506 iron compounds Chemical class 0.000 description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 235000013980 iron oxide Nutrition 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 235000014413 iron hydroxide Nutrition 0.000 description 5
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 5
- 235000017550 sodium carbonate Nutrition 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 229960004887 ferric hydroxide Drugs 0.000 description 4
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 4
- 229910021653 sulphate ion Inorganic materials 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 239000007900 aqueous suspension Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000010446 mirabilite Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- -1 sulphide ions Chemical class 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 239000004295 calcium sulphite Substances 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5241—Manufacture of steel in electric furnaces in an inductively heated furnace
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/22—Furnaces without an endless core
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/22—Furnaces without an endless core
- H05B6/24—Crucible furnaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- General Induction Heating (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681811703 DE1811703C3 (de) | 1968-11-29 | Verfahren zur Stahlerzeugung in Induktionstiegelöfen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO127016B true NO127016B (fr) | 1973-04-24 |
Family
ID=5714730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO04693/69A NO127016B (fr) | 1968-11-29 | 1969-11-27 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS4938408B1 (fr) |
| AT (1) | AT313948B (fr) |
| BE (1) | BE741822A (fr) |
| CH (1) | CH506039A (fr) |
| FR (1) | FR2024490B1 (fr) |
| GB (1) | GB1246736A (fr) |
| IL (1) | IL33334A (fr) |
| LU (1) | LU59814A1 (fr) |
| NL (1) | NL6918045A (fr) |
| NO (1) | NO127016B (fr) |
| SE (1) | SE363511B (fr) |
| ZA (1) | ZA697771B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4162156A (en) * | 1977-05-02 | 1979-07-24 | Advance Achievement Systems, Inc. | Process for melting cast iron borings |
| BE1010710A3 (fr) * | 1996-10-24 | 1998-12-01 | Centre Rech Metallurgique | Procede de production d'acier a partir d'eponges de fer. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2097344A (en) * | 1932-12-06 | 1937-10-26 | Heraeus Vacuumschmelze Ag | Metallurgical slag reaction |
| GB821033A (en) * | 1956-03-07 | 1959-09-30 | Metallurg Oxygen Processes Ltd | Improvements relating to the conversion of molten pig iron to steel |
-
1969
- 1969-11-04 GB GB54041/69A patent/GB1246736A/en not_active Expired
- 1969-11-05 ZA ZA697771A patent/ZA697771B/xx unknown
- 1969-11-05 AT AT1037869A patent/AT313948B/de not_active IP Right Cessation
- 1969-11-10 IL IL33334A patent/IL33334A/en unknown
- 1969-11-13 LU LU59814D patent/LU59814A1/xx unknown
- 1969-11-18 BE BE741822D patent/BE741822A/xx unknown
- 1969-11-19 CH CH1719869A patent/CH506039A/de not_active IP Right Cessation
- 1969-11-20 JP JP44092559A patent/JPS4938408B1/ja active Pending
- 1969-11-21 FR FR6940075A patent/FR2024490B1/fr not_active Expired
- 1969-11-27 NO NO04693/69A patent/NO127016B/no unknown
- 1969-11-27 SE SE16348/69A patent/SE363511B/xx unknown
- 1969-12-01 NL NL6918045A patent/NL6918045A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1246736A (en) | 1971-09-15 |
| ZA697771B (en) | 1971-07-28 |
| AT313948B (de) | 1974-03-11 |
| DE1811703B2 (de) | 1973-12-13 |
| LU59814A1 (fr) | 1970-01-13 |
| BE741822A (fr) | 1970-05-04 |
| CH506039A (de) | 1971-04-15 |
| FR2024490A1 (fr) | 1970-08-28 |
| DE1811703A1 (de) | 1970-06-11 |
| IL33334A (en) | 1973-06-29 |
| IL33334A0 (en) | 1970-01-29 |
| JPS4938408B1 (fr) | 1974-10-17 |
| FR2024490B1 (fr) | 1973-11-16 |
| SE363511B (fr) | 1974-01-21 |
| NL6918045A (fr) | 1970-06-02 |
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