FR2512005A1 - Procede de valorisation du molybdene sous la forme de moo3 anhydre par solubilisation alcaline de materiaux molybdeniferes - Google Patents
Procede de valorisation du molybdene sous la forme de moo3 anhydre par solubilisation alcaline de materiaux molybdeniferes Download PDFInfo
- Publication number
- FR2512005A1 FR2512005A1 FR8116794A FR8116794A FR2512005A1 FR 2512005 A1 FR2512005 A1 FR 2512005A1 FR 8116794 A FR8116794 A FR 8116794A FR 8116794 A FR8116794 A FR 8116794A FR 2512005 A1 FR2512005 A1 FR 2512005A1
- Authority
- FR
- France
- Prior art keywords
- molybdenum
- attack
- process according
- liquid phase
- liquor
- 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.)
- Granted
Links
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 99
- 239000011733 molybdenum Substances 0.000 title claims description 98
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims description 81
- 239000003513 alkali Substances 0.000 title claims description 11
- 238000002386 leaching Methods 0.000 title abstract 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 38
- 230000020477 pH reduction Effects 0.000 claims abstract description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000007800 oxidant agent Substances 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 3
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 3
- 239000007791 liquid phase Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 27
- 238000000926 separation method Methods 0.000 claims description 27
- 238000001556 precipitation Methods 0.000 claims description 16
- 238000011282 treatment Methods 0.000 claims description 14
- 239000002244 precipitate Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 10
- 230000002378 acidificating effect Effects 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 239000007790 solid phase Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 159000000011 group IA salts Chemical class 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000010878 waste rock Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound 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 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 238000010936 aqueous wash Methods 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 16
- 150000002500 ions Chemical class 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 5
- 230000001590 oxidative effect Effects 0.000 abstract description 4
- -1 HCO3 ions Chemical class 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract description 2
- 101100328536 Mus musculus Cntd1 gene Proteins 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- 239000000203 mixture Substances 0.000 description 31
- 239000000725 suspension Substances 0.000 description 22
- 238000005406 washing Methods 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 229910052961 molybdenite Inorganic materials 0.000 description 9
- 239000012429 reaction media Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 239000012452 mother liquor Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000007900 aqueous suspension Substances 0.000 description 6
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 6
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 description 6
- 235000017550 sodium carbonate Nutrition 0.000 description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 description 6
- 229910052770 Uranium Inorganic materials 0.000 description 5
- BIOOACNPATUQFW-UHFFFAOYSA-N calcium;dioxido(dioxo)molybdenum Chemical compound [Ca+2].[O-][Mo]([O-])(=O)=O BIOOACNPATUQFW-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 239000007832 Na2SO4 Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 150000002751 molybdenum Chemical class 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- PTISTKLWEJDJID-UHFFFAOYSA-N sulfanylidenemolybdenum Chemical class [Mo]=S PTISTKLWEJDJID-UHFFFAOYSA-N 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Inorganic materials [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 230000007928 solubilization Effects 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000178870 Lavandula angustifolia Species 0.000 description 1
- 235000010663 Lavandula angustifolia Nutrition 0.000 description 1
- 229910004809 Na2 SO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- QMXBEONRRWKBHZ-UHFFFAOYSA-N [Na][Mo] Chemical compound [Na][Mo] QMXBEONRRWKBHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 239000001102 lavandula vera Substances 0.000 description 1
- 235000018219 lavender Nutrition 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- 150000002752 molybdenum compounds Chemical class 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G39/00—Compounds of molybdenum
- C01G39/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/34—Obtaining molybdenum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- 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
- C01P2006/80—Compositional purity
-
- 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
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8116794A FR2512005A1 (fr) | 1981-08-31 | 1981-08-31 | Procede de valorisation du molybdene sous la forme de moo3 anhydre par solubilisation alcaline de materiaux molybdeniferes |
| YU1905/82A YU43802B (en) | 1981-08-31 | 1982-08-24 | Process for obtaining molybdenum in form of anhydrous mo03 by means of alkaline solubilization of molybdenum containing material |
| OA57783A OA07192A (fr) | 1981-08-31 | 1982-08-24 | Procédé de valorisation du molybdène sous la forme de Mo03 anhydre par solubilisation alcaline de materiaux molybdénifères. |
| SE8204864A SE8204864L (sv) | 1981-08-31 | 1982-08-25 | Sett att utvinna molybden som en anvendbar produkt i form av vattenfri moo?713 genom alkalisk solubilisering av molybdenhaltiga material |
| IT22973/82A IT1152512B (it) | 1981-08-31 | 1982-08-25 | Procedimento per la valorizzazione di molibdeno sotto la forma di mo03 anidro mediante solubilazzazione alcalina di materiali molibdeniferi |
| MX194159A MX157574A (es) | 1981-08-31 | 1982-08-26 | Metodo mejorado para valorar molibdeno bajo la forma de trioxido de molibdeno anhidro por solubilizacion alcalina de materiales que lo contienen |
| AU87792/82A AU551696B2 (en) | 1981-08-31 | 1982-08-27 | Obtaining anhydrous moo3 |
| ZA826327A ZA826327B (en) | 1981-08-31 | 1982-08-30 | Process for obtaining molybdenum as a useful product in the form of anhydrous moo3 by alkaline solubilisation of molybdeniferous materials |
| CA000410427A CA1198594A (fr) | 1981-08-31 | 1982-08-30 | Procede de valorisation de molybdene sous la forme de moo.sub.3 anhydre par solubilisation alcaline de materiaux molybdeniferes |
| JP57150626A JPS5855336A (ja) | 1981-08-31 | 1982-08-30 | モリブデン回収方法 |
| BR8205075A BR8205075A (pt) | 1981-08-31 | 1982-08-30 | Processo de valorizacao de molibdenio sob forma de mo03 anidro |
| ES515346A ES8306074A1 (es) | 1981-08-31 | 1982-08-30 | "procedimiento de valorizacion de molibdeno en forma de m0o3 anhidro". |
| AR290497A AR227496A1 (es) | 1981-08-31 | 1982-08-31 | Procedimiento de valorizacion de molibdeno bajo la forma de mom3 anhidro por solubilizacion alcalina de materiales molibdeniferos |
| DZ826641A DZ453A1 (fr) | 1981-08-31 | 1982-09-28 | Procédé de valorisation de molybdène sous la formede m°03 anhydre par solubilisation alcalins de ma teriaux molybdénifères. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8116794A FR2512005A1 (fr) | 1981-08-31 | 1981-08-31 | Procede de valorisation du molybdene sous la forme de moo3 anhydre par solubilisation alcaline de materiaux molybdeniferes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2512005A1 true FR2512005A1 (fr) | 1983-03-04 |
| FR2512005B1 FR2512005B1 (enrdf_load_stackoverflow) | 1985-05-24 |
Family
ID=9261885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8116794A Granted FR2512005A1 (fr) | 1981-08-31 | 1981-08-31 | Procede de valorisation du molybdene sous la forme de moo3 anhydre par solubilisation alcaline de materiaux molybdeniferes |
Country Status (14)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2545105A1 (fr) * | 1983-04-27 | 1984-11-02 | Pechiney Uranium | Pretraitement a haute temperature de minerais uranifere, vanadifere ou molybdenifere a gangue argileuse au moyen d'une solution aqueuse alcaline |
| WO1984004333A1 (fr) * | 1983-04-27 | 1984-11-08 | Pechiney Uranium | Pretraitement a haute temperature au moyen d'une solution aqueuse alcaline de minerais a changue argileuse contenant au moins un element valorisable |
| US8753591B2 (en) | 2012-03-23 | 2014-06-17 | Kennecott Utah Copper Llc | Process for the conversion of molybdenite to molydenum oxide |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715944B (zh) * | 2018-05-03 | 2020-02-18 | 中南大学 | 一种钼焙砂一步碱浸出方法 |
-
1981
- 1981-08-31 FR FR8116794A patent/FR2512005A1/fr active Granted
-
1982
- 1982-08-24 OA OA57783A patent/OA07192A/xx unknown
- 1982-08-24 YU YU1905/82A patent/YU43802B/xx unknown
- 1982-08-25 IT IT22973/82A patent/IT1152512B/it active
- 1982-08-25 SE SE8204864A patent/SE8204864L/ not_active Application Discontinuation
- 1982-08-26 MX MX194159A patent/MX157574A/es unknown
- 1982-08-27 AU AU87792/82A patent/AU551696B2/en not_active Ceased
- 1982-08-30 CA CA000410427A patent/CA1198594A/fr not_active Expired
- 1982-08-30 ZA ZA826327A patent/ZA826327B/xx unknown
- 1982-08-30 BR BR8205075A patent/BR8205075A/pt unknown
- 1982-08-30 JP JP57150626A patent/JPS5855336A/ja active Granted
- 1982-08-30 ES ES515346A patent/ES8306074A1/es not_active Expired
- 1982-08-31 AR AR290497A patent/AR227496A1/es active
- 1982-09-28 DZ DZ826641A patent/DZ453A1/fr active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2545105A1 (fr) * | 1983-04-27 | 1984-11-02 | Pechiney Uranium | Pretraitement a haute temperature de minerais uranifere, vanadifere ou molybdenifere a gangue argileuse au moyen d'une solution aqueuse alcaline |
| WO1984004333A1 (fr) * | 1983-04-27 | 1984-11-08 | Pechiney Uranium | Pretraitement a haute temperature au moyen d'une solution aqueuse alcaline de minerais a changue argileuse contenant au moins un element valorisable |
| US4613361A (en) * | 1983-04-27 | 1986-09-23 | Uranium Pechiney | High-temperature pretreatment by means of an alkaline aqueous solution of ores having an argillaceous gangue containing at least one usable element |
| US8753591B2 (en) | 2012-03-23 | 2014-06-17 | Kennecott Utah Copper Llc | Process for the conversion of molybdenite to molydenum oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1152512B (it) | 1987-01-07 |
| CA1198594A (fr) | 1985-12-31 |
| DZ453A1 (fr) | 2004-09-13 |
| ES515346A0 (es) | 1983-05-01 |
| ZA826327B (en) | 1983-07-27 |
| SE8204864D0 (sv) | 1982-08-25 |
| AU551696B2 (en) | 1986-05-08 |
| OA07192A (fr) | 1984-04-30 |
| AR227496A1 (es) | 1982-10-29 |
| YU190582A (en) | 1985-06-30 |
| JPS5855336A (ja) | 1983-04-01 |
| FR2512005B1 (enrdf_load_stackoverflow) | 1985-05-24 |
| SE8204864L (sv) | 1983-03-01 |
| IT8222973A0 (it) | 1982-08-25 |
| ES8306074A1 (es) | 1983-05-01 |
| JPH021093B2 (enrdf_load_stackoverflow) | 1990-01-10 |
| YU43802B (en) | 1989-12-31 |
| BR8205075A (pt) | 1983-08-09 |
| AU8779282A (en) | 1983-03-10 |
| MX157574A (es) | 1988-12-02 |
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| Date | Code | Title | Description |
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| ST | Notification of lapse |