CS234024B2 - Method of vanadium carbide making - Google Patents

Method of vanadium carbide making Download PDF

Info

Publication number: CS234024B2
Authority: CS; Czechoslovakia
Prior art keywords: ion; vanadyl; acid; vanadium; sulfur dioxide
Prior art date: 1979-12-26

Application number

CS809241A

Other languages

Czech (cs)

English (en)

Inventor

Harry E Gardner

Original Assignee

Union Carbide Corp

Priority date (The priority date 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 date listed.)

1979-12-26

Filing date

1980-12-23

Publication date

1985-03-14

1980-12-23 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1985-03-14 Publication of CS234024B2 publication Critical patent/CS234024B2/cs

Links

238000000034 method Methods 0.000 title claims description 33
INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 title claims description 18
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 44
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 32
239000000243 solution Substances 0.000 claims description 32
229910052720 vanadium Inorganic materials 0.000 claims description 28
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 28
-1 vanadate ion Chemical class 0.000 claims description 27
239000007864 aqueous solution Substances 0.000 claims description 22
239000002253 acid Substances 0.000 claims description 21
125000005287 vanadyl group Chemical group 0.000 claims description 17
238000000605 extraction Methods 0.000 claims description 16
239000003960 organic solvent Substances 0.000 claims description 16
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
239000002904 solvent Substances 0.000 claims description 15
229910052799 carbon Inorganic materials 0.000 claims description 14
230000001590 oxidative effect Effects 0.000 claims description 11
239000000203 mixture Substances 0.000 claims description 10
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 9
239000000908 ammonium hydroxide Substances 0.000 claims description 9
239000007787 solid Substances 0.000 claims description 8
239000003350 kerosene Substances 0.000 claims description 7
230000002829 reductive effect Effects 0.000 claims description 7
PLLBRTOLHQQAQQ-UHFFFAOYSA-N 8-methylnonan-1-ol Chemical compound CC(C)CCCCCCCO PLLBRTOLHQQAQQ-UHFFFAOYSA-N 0.000 claims description 6
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
239000004440 Isodecyl alcohol Substances 0.000 claims description 6
150000002500 ions Chemical class 0.000 claims description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
239000007788 liquid Substances 0.000 claims description 4
239000001301 oxygen Substances 0.000 claims description 4
229910052760 oxygen Inorganic materials 0.000 claims description 4
239000002244 precipitate Substances 0.000 claims description 4
239000000284 extract Substances 0.000 claims description 3
238000002360 preparation method Methods 0.000 claims description 3
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
238000010304 firing Methods 0.000 claims description 2
CYZASAMUYFRGTI-UHFFFAOYSA-N heptadecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCCOP(O)(O)=O CYZASAMUYFRGTI-UHFFFAOYSA-N 0.000 claims description 2
229910052717 sulfur Inorganic materials 0.000 claims description 2
239000011593 sulfur Substances 0.000 claims description 2
229910001456 vanadium ion Inorganic materials 0.000 claims description 2
MCPTUMJSKDUTAQ-UHFFFAOYSA-N vanadium;hydrate Chemical compound O.[V] MCPTUMJSKDUTAQ-UHFFFAOYSA-N 0.000 claims description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
238000001914 filtration Methods 0.000 claims 1
GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 14
238000002156 mixing Methods 0.000 description 11
239000012071 phase Substances 0.000 description 8
239000012074 organic phase Substances 0.000 description 7
CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
239000008346 aqueous phase Substances 0.000 description 5
239000000047 product Substances 0.000 description 5
230000008719 thickening Effects 0.000 description 5
239000006286 aqueous extract Substances 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
238000000638 solvent extraction Methods 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 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 description 3
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 3
229910052784 alkaline earth metal Inorganic materials 0.000 description 3
239000012141 concentrate Substances 0.000 description 3
239000000706 filtrate Substances 0.000 description 3
238000002386 leaching Methods 0.000 description 3
239000011734 sodium Substances 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
239000010959 steel Substances 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
150000001342 alkaline earth metals Chemical class 0.000 description 2
239000012467 final product Substances 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
238000002955 isolation Methods 0.000 description 2
ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical compound [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 description 2
238000011084 recovery Methods 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
229910019142 PO4 Inorganic materials 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
229910052770 Uranium Inorganic materials 0.000 description 1
XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
229910002090 carbon oxide Inorganic materials 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
DXQYKFGICLVQFD-UHFFFAOYSA-N dioctan-2-yl hydrogen phosphate Chemical compound CCCCCCC(C)OP(O)(=O)OC(C)CCCCCC DXQYKFGICLVQFD-UHFFFAOYSA-N 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
229910000041 hydrogen chloride Inorganic materials 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
125000003010 ionic group Chemical group 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
239000008188 pellet Substances 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000012256 powdered iron Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
239000000700 radioactive tracer Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
230000001172 regenerating effect Effects 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
239000000725 suspension Substances 0.000 description 1
239000002562 thickening agent Substances 0.000 description 1
JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
150000003681 vanadium Chemical class 0.000 description 1
229910001935 vanadium oxide Inorganic materials 0.000 description 1
UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 1
229940041260 vanadyl sulfate Drugs 0.000 description 1
229910000352 vanadyl sulfate Inorganic materials 0.000 description 1
239000002699 waste material Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G31/00—Compounds of vanadium
- C01G31/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Carbon And Carbon Compounds (AREA)
Manufacture And Refinement Of Metals (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

CS809241A 1979-12-26 1980-12-23 Method of vanadium carbide making CS234024B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US10673779A	1979-12-26	1979-12-26

Publications (1)

Publication Number	Publication Date
CS234024B2 true CS234024B2 (en)	1985-03-14

Family

ID=22312985

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS809241A CS234024B2 (en)	1979-12-26	1980-12-23	Method of vanadium carbide making

Country Status (17)

Country	Link
JP (2)	JPS6041613B2 (fr)
AU (1)	AU542768B2 (fr)
BE (1)	BE886836A (fr)
BR (1)	BR8008419A (fr)
CA (1)	CA1150478A (fr)
CS (1)	CS234024B2 (fr)
DD (2)	DD156593A5 (fr)
DE (1)	DE3046411C2 (fr)
FI (1)	FI66334C (fr)
FR (1)	FR2472537B1 (fr)
IT (1)	IT1128717B (fr)
LU (1)	LU83026A1 (fr)
NO (1)	NO803905L (fr)
NZ (1)	NZ195673A (fr)
SE (1)	SE8008940L (fr)
YU (2)	YU310680A (fr)
ZA (1)	ZA807418B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT404258B (de) *	1994-11-09	1998-10-27	Avr Abfallverwertungs Und Rohs	Verfahren zur selektiven trennung der metalle von vanadium/nickelsalzlösungen
CN112174205A (zh) *	2020-10-16	2021-01-05	成都先进金属材料产业技术研究院有限公司	氢氧化氧钒稳定乙醇溶液分散体系及利用其制备m相vo2纳米粉体的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1172350A (fr) *	1956-02-24	1959-02-09	Union Carbide & Carbon Corp	Extraction du vanadium
US3151933A (en) *	1956-09-19	1964-10-06	Kerr Mc Gee Oil Ind Inc	Solvent extraction process for the recovery of vanadium from solutions
FR1553859A (fr) *	1967-11-16	1969-01-17

1980
- 1980-11-27 ZA ZA00807418A patent/ZA807418B/xx unknown
- 1980-11-27 NZ NZ195673A patent/NZ195673A/xx unknown
- 1980-11-28 CA CA000365770A patent/CA1150478A/fr not_active Expired
- 1980-12-09 YU YU03106/80A patent/YU310680A/xx unknown
- 1980-12-10 DE DE3046411A patent/DE3046411C2/de not_active Expired
- 1980-12-17 FR FR8026798A patent/FR2472537B1/fr not_active Expired
- 1980-12-18 SE SE8008940A patent/SE8008940L/ not_active Application Discontinuation
- 1980-12-19 FI FI803989A patent/FI66334C/fi not_active IP Right Cessation
- 1980-12-22 LU LU83026A patent/LU83026A1/fr unknown
- 1980-12-22 IT IT50436/80A patent/IT1128717B/it active
- 1980-12-22 NO NO803905A patent/NO803905L/no unknown
- 1980-12-22 BR BR8008419A patent/BR8008419A/pt unknown
- 1980-12-22 JP JP55181794A patent/JPS6041613B2/ja not_active Expired
- 1980-12-23 DD DD80226583A patent/DD156593A5/de unknown
- 1980-12-23 AU AU65812/80A patent/AU542768B2/en not_active Ceased
- 1980-12-23 CS CS809241A patent/CS234024B2/cs unknown
- 1980-12-23 BE BE0/203303A patent/BE886836A/fr not_active IP Right Cessation
1982
- 1982-08-13 DD DD82242509A patent/DD202278A5/de unknown
1983
- 1983-02-07 YU YU00266/83A patent/YU26683A/xx unknown
1984
- 1984-07-06 JP JP59140418A patent/JPS6042215A/ja active Pending

Also Published As

Publication number	Publication date
CA1150478A (fr)	1983-07-26
YU26683A (en)	1985-12-31
DE3046411C2 (de)	1982-12-30
LU83026A1 (fr)	1981-07-23
DE3046411A1 (de)	1981-09-17
NZ195673A (en)	1983-09-30
IT1128717B (it)	1986-06-04
JPS6042215A (ja)	1985-03-06
NO803905L (no)	1981-06-29
FR2472537B1 (fr)	1985-11-15
JPS6041613B2 (ja)	1985-09-18
JPS56100124A (en)	1981-08-11
AU6581280A (en)	1981-07-02
SE8008940L (sv)	1981-06-27
FI66334B (fi)	1984-06-29
DD202278A5 (de)	1983-09-07
FI66334C (fi)	1984-10-10
FI803989L (fi)	1981-06-27
FR2472537A1 (fr)	1981-07-03
DD156593A5 (de)	1982-09-08
YU310680A (en)	1983-04-30
BR8008419A (pt)	1981-07-14
IT8050436A0 (it)	1980-12-22
AU542768B2 (en)	1985-03-14
BE886836A (fr)	1981-06-23
ZA807418B (en)	1981-11-25

Publication	Publication Date	Title
US3083085A (en)	1963-03-26	Liquid-liquid extraction recovery of vanadium and molybdenum values using a quaternary ammonium extractant
FR2459837A1 (fr)	1981-01-16	Procede pour la recuperation d'uranium a partir d'acide phosphorique obtenu par voie humide
US3441372A (en)	1969-04-29	Solvent extraction process for separation of zinc from cadmium
EP0418125A1 (fr)	1991-03-20	Procédé de traitement de minerais contenant des terres rares
EP0132902B1 (fr)	1988-09-07	Récupération d'uranium d'un acide phosphorique de voie humide par échange d'ions liquide-solide
US3966873A (en)	1976-06-29	Uranium complex recycling method of purifying uranium liquors
US4241027A (en)	1980-12-23	Reductive stripping process for the recovery of either or both uranium and vanadium
US4207294A (en)	1980-06-10	Process for recovering uranium from wet-process phosphoric acid
US4302427A (en)	1981-11-24	Recovery of uranium from wet-process phosphoric acid
US4247522A (en)	1981-01-27	Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride precipitating agent
US9932654B2 (en)	2018-04-03	Extraction of uranium from wet-process phosphoric acid
US3700415A (en)	1972-10-24	Vanadium recovery from wet process phosphoric acid using neutral organophosphorus extractants
CA1279197C (fr)	1991-01-22	Methode de separation du cobalt
US4238457A (en)	1980-12-09	Process for the recovery of uranium from wet-process phosphoric acid
CS234024B2 (en)	1985-03-14	Method of vanadium carbide making
US4275038A (en)	1981-06-23	Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients
US4275037A (en)	1981-06-23	Stripping metals from organic solvent with aqueous solution of polymeric phosphates
US4256716A (en)	1981-03-17	Process for treating loaded extractant from purification of phosphoric acid by extraction
US4053552A (en)	1977-10-11	Solvent extraction of zinc from sulfite-bisulfite solution
US4427640A (en)	1984-01-24	Sequential process for extraction and recovery of vanadium and uranium from wet process acids
US4540562A (en)	1985-09-10	Process for the production of vanadyl hydrate
US4293529A (en)	1981-10-06	Process for recovering uranium from wet-process phosphoric acid using alkyl pyrophosphoric acid extractants
US4594235A (en)	1986-06-10	Process for the production of vanadium carbide
US4652431A (en)	1987-03-24	Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution
EP0059592B1 (fr)	1985-08-28	Procédé de récupération de l'uranium