SE420108B - Forfarande for kemisk, automatisk upplosning av molybdenkerntrad i wolframspiraler jemte anordning for genomforande av forfarande - Google Patents
Forfarande for kemisk, automatisk upplosning av molybdenkerntrad i wolframspiraler jemte anordning for genomforande av forfarandeInfo
- Publication number
- SE420108B SE420108B SE8006387A SE8006387A SE420108B SE 420108 B SE420108 B SE 420108B SE 8006387 A SE8006387 A SE 8006387A SE 8006387 A SE8006387 A SE 8006387A SE 420108 B SE420108 B SE 420108B
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- reaction vessel
- reaction
- dissolution
- moles
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000004090 dissolution Methods 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title claims description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000002253 acid Substances 0.000 claims abstract description 47
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 11
- 239000010937 tungsten Substances 0.000 claims abstract description 11
- 238000005496 tempering Methods 0.000 claims abstract description 8
- 229910001868 water Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 22
- 229910017604 nitric acid Inorganic materials 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims description 13
- 239000011733 molybdenum Substances 0.000 claims description 13
- 230000006911 nucleation Effects 0.000 claims description 13
- 238000010899 nucleation Methods 0.000 claims description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 19
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003513 alkali Substances 0.000 abstract description 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical compound CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000061 acid fraction Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- BIOOACNPATUQFW-UHFFFAOYSA-N calcium;dioxido(dioxo)molybdenum Chemical compound [Ca+2].[O-][Mo]([O-])(=O)=O BIOOACNPATUQFW-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 101150042512 mqo3 gene Proteins 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/26—Acidic compositions for etching refractory metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Resistance Heating (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Dry Development In Electrophotography (AREA)
- Catalysts (AREA)
- ing And Chemical Polishing (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Chemical Treatment Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8006387A SE420108B (sv) | 1980-09-12 | 1980-09-12 | Forfarande for kemisk, automatisk upplosning av molybdenkerntrad i wolframspiraler jemte anordning for genomforande av forfarande |
| US06/302,215 US4440729A (en) | 1980-09-12 | 1981-04-14 | Procedure for chemical, automatic dissolution of molybdenum core wire in tungsten filament coil and a device for implementing the procedure |
| DD81233169A DD201828A5 (de) | 1980-09-12 | 1981-09-09 | Verfahren zur chemischen, automatischen aufloesung von molybdaenkerndraht in wolframwendeln sowie vorrichtung zur durchfuehrung des verfahrens |
| DE8181850153T DE3165241D1 (en) | 1980-09-12 | 1981-09-09 | Procedure for chemical, automatic dissolution of molybdenum core wire in tungsten filament coil and a device for implementing the procedure |
| AT81850153T ATE8828T1 (de) | 1980-09-12 | 1981-09-09 | Verfahren zur automatisch-chemischen aufloesung eines molybdaenfadenkerns in der wicklung eines wolframgluehfadens und vorrichtung zur ausfuehrung dieses verfahrens. |
| EP81850153A EP0048230B1 (en) | 1980-09-12 | 1981-09-09 | Procedure for chemical, automatic dissolution of molybdenum core wire in tungsten filament coil and a device for implementing the procedure |
| ES505365A ES505365A0 (es) | 1980-09-12 | 1981-09-10 | Procedimiento y dispositivo para disolver quimica y automa- ticamente alambre de nucleo de molibdeno en bobinas de fila-mento de tungsteno para fuentes de luz |
| HU812640A HU183576B (en) | 1980-09-12 | 1981-09-11 | Process for the automatic chemical release of the molybdenum core of tungsten helical filament and equipment for performing the process |
| JP56143718A JPS5779176A (en) | 1980-09-12 | 1981-09-11 | Method and apparatus for chemically and automatically disolving molybdenum core wire in tungsten filament coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8006387A SE420108B (sv) | 1980-09-12 | 1980-09-12 | Forfarande for kemisk, automatisk upplosning av molybdenkerntrad i wolframspiraler jemte anordning for genomforande av forfarande |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE420108B true SE420108B (sv) | 1981-09-14 |
Family
ID=20341712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8006387A SE420108B (sv) | 1980-09-12 | 1980-09-12 | Forfarande for kemisk, automatisk upplosning av molybdenkerntrad i wolframspiraler jemte anordning for genomforande av forfarande |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4440729A (en]) |
| EP (1) | EP0048230B1 (en]) |
| JP (1) | JPS5779176A (en]) |
| AT (1) | ATE8828T1 (en]) |
| DD (1) | DD201828A5 (en]) |
| DE (1) | DE3165241D1 (en]) |
| ES (1) | ES505365A0 (en]) |
| HU (1) | HU183576B (en]) |
| SE (1) | SE420108B (en]) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0324086U (en]) * | 1989-07-17 | 1991-03-13 | ||
| US5072147A (en) * | 1990-05-09 | 1991-12-10 | General Electric Company | Low sag tungsten filament having an elongated lead interlocking grain structure and its use in lamps |
| EP0652104B1 (de) * | 1993-11-05 | 2002-04-10 | MAN Roland Druckmaschinen AG | Druckwerk für wasserlosen Offsetdruck |
| US5891354A (en) * | 1996-07-26 | 1999-04-06 | Fujitsu Limited | Methods of etching through wafers and substrates with a composite etch stop layer |
| US6871523B2 (en) * | 2003-03-31 | 2005-03-29 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for forming microchannels in a filament wire |
| US20040250589A1 (en) * | 2003-06-12 | 2004-12-16 | Daniel Hogan | Method and apparatus for forming discrete microcavities in a filament wire |
| US7040130B2 (en) * | 2003-10-14 | 2006-05-09 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for forming discrete microcavities in a filament wire using microparticles |
| US7204911B2 (en) * | 2004-03-19 | 2007-04-17 | Matsushita Electric Industrial Co., Ltd. | Process and apparatus for forming discrete microcavities in a filament wire using a polymer etching mask |
| US7243700B2 (en) * | 2005-10-27 | 2007-07-17 | United Technologies Corporation | Method for casting core removal |
| US20180244535A1 (en) * | 2017-02-24 | 2018-08-30 | BWXT Isotope Technology Group, Inc. | Titanium-molybdate and method for making the same |
| US11363709B2 (en) | 2017-02-24 | 2022-06-14 | BWXT Isotope Technology Group, Inc. | Irradiation targets for the production of radioisotopes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US198776A (en) * | 1878-01-01 | Improvement in recovery of waste nitrous gases | ||
| US3739057A (en) * | 1971-07-09 | 1973-06-12 | Molybdenum Corp | Process for the recovery of rhenium and molybdenum values from molybdenite concentrate |
| JPS5231668B1 (en]) * | 1971-07-14 | 1977-08-16 | ||
| US3953263A (en) * | 1973-11-26 | 1976-04-27 | Hitachi, Ltd. | Process for preventing the formation of nitrogen monoxide in treatment of metals with nitric acid or mixed acid |
| CA1050731A (en) * | 1974-10-17 | 1979-03-20 | Derek G. E. Kerfoot | Hydrometallurgical production of technical grade molybdic oxide from molybdenite concentrates |
| US4144310A (en) * | 1977-11-30 | 1979-03-13 | Kennecott Copper Corporation | High slurry density sulfidic mineral leaching using nitrogen dioxide |
| US4189461A (en) * | 1977-11-30 | 1980-02-19 | Kennecott Copper Corporation | Metal leaching from concentrates using nitrogen dioxide in acids |
-
1980
- 1980-09-12 SE SE8006387A patent/SE420108B/sv not_active IP Right Cessation
-
1981
- 1981-04-14 US US06/302,215 patent/US4440729A/en not_active Expired - Fee Related
- 1981-09-09 DD DD81233169A patent/DD201828A5/de unknown
- 1981-09-09 EP EP81850153A patent/EP0048230B1/en not_active Expired
- 1981-09-09 AT AT81850153T patent/ATE8828T1/de not_active IP Right Cessation
- 1981-09-09 DE DE8181850153T patent/DE3165241D1/de not_active Expired
- 1981-09-10 ES ES505365A patent/ES505365A0/es active Granted
- 1981-09-11 JP JP56143718A patent/JPS5779176A/ja active Granted
- 1981-09-11 HU HU812640A patent/HU183576B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES8205876A1 (es) | 1982-08-16 |
| ES505365A0 (es) | 1982-08-16 |
| JPS5779176A (en) | 1982-05-18 |
| JPS6337189B2 (en]) | 1988-07-25 |
| DD201828A5 (de) | 1983-08-10 |
| EP0048230B1 (en) | 1984-08-01 |
| DE3165241D1 (en) | 1984-09-06 |
| EP0048230A2 (en) | 1982-03-24 |
| EP0048230A3 (en) | 1982-09-22 |
| ATE8828T1 (de) | 1984-08-15 |
| US4440729A (en) | 1984-04-03 |
| HU183576B (en) | 1984-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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