SE436499B - Sett att utvinna niob och/eller tantal fran malmer genom lakning med fluorvetesyra - Google Patents
Sett att utvinna niob och/eller tantal fran malmer genom lakning med fluorvetesyraInfo
- Publication number
- SE436499B SE436499B SE7204034A SE403472A SE436499B SE 436499 B SE436499 B SE 436499B SE 7204034 A SE7204034 A SE 7204034A SE 403472 A SE403472 A SE 403472A SE 436499 B SE436499 B SE 436499B
- Authority
- SE
- Sweden
- Prior art keywords
- fluorvetic
- niob
- explore
- ore
- lining
- Prior art date
Links
Classifications
-
- 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
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12870671A | 1971-03-29 | 1971-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE436499B true SE436499B (sv) | 1984-12-17 |
Family
ID=22436583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7204034A SE436499B (sv) | 1971-03-29 | 1972-01-04 | Sett att utvinna niob och/eller tantal fran malmer genom lakning med fluorvetesyra |
Country Status (14)
Country | Link |
---|---|
US (1) | US3712939A (it) |
AT (1) | AT315521B (it) |
AU (1) | AU469419B2 (it) |
BE (1) | BE781343A (it) |
CA (1) | CA966668A (it) |
DE (1) | DE2214817B2 (it) |
FR (1) | FR2132127B1 (it) |
GB (1) | GB1363953A (it) |
IT (1) | IT952432B (it) |
LU (1) | LU65058A1 (it) |
NL (1) | NL7204177A (it) |
NO (1) | NO129054B (it) |
SE (1) | SE436499B (it) |
ZA (1) | ZA722091B (it) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK449074A (da) * | 1974-08-22 | 1976-02-23 | Atomenergikommissionen | Fremgangsmade til udvinding af tantal og/eller niob i fri eller bunden form fra tantal- og niobholdige oplosninger |
US4164417A (en) * | 1978-04-28 | 1979-08-14 | Kawecki Berylco Industries, Inc. | Process for recovery of niobium values for use in preparing niobium alloy products |
CA1144376A (fr) * | 1980-06-02 | 1983-04-12 | Gilles Legault | Procede de lixiviation d'un minerai de niobium et ou de tantale |
JPS62241824A (ja) * | 1986-04-10 | 1987-10-22 | Sumitomo Chem Co Ltd | タンタルとニオブの分離精製方法 |
BR8703766A (pt) * | 1987-07-20 | 1989-01-31 | Mamore Mineracao E Metalurgica | Processo para a abertura de minerios |
FR2636939B1 (fr) * | 1988-09-06 | 1991-08-30 | Inst Nat Rech Chimique | Procede perfectionne d'obtention de composes de ta et (ou) nb exempts d'impuretes a partir de materiaux contenant ces metaux |
US5023059A (en) * | 1988-11-02 | 1991-06-11 | Bielecki Edwin J | Recovery of metal values and hydrofluoric acid from tantalum and columbium waste sludge |
DE4021207A1 (de) * | 1990-07-03 | 1992-01-16 | Starck Hermann C Fa | Verfahren zur gewinnung und trennung von tantal und niob |
DE4207145C1 (en) * | 1992-03-06 | 1993-04-29 | H.C. Starck Gmbh & Co Kg, 3380 Goslar, De | Hydro:methallurgical process for recovery of tantalum and niobium - by digesting material e.g. columbite ore with hydrofluoric acid followed by solvent extn. of formed fluoro:complexes |
US5437848A (en) * | 1992-07-10 | 1995-08-01 | Cabot Corporation | Recovery of metal values from process residues |
US5620936A (en) * | 1993-12-14 | 1997-04-15 | E. I. Dupont De Nemours And Company | Recovery of spent catalyst |
JPH09506675A (ja) * | 1993-12-14 | 1997-06-30 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 使用済み触媒の回収 |
US6338832B1 (en) | 1995-10-12 | 2002-01-15 | Cabot Corporation | Process for producing niobium and tantalum compounds |
US5635146A (en) * | 1995-11-30 | 1997-06-03 | Osram Sylvania Inc. | Method for the dissolution and purification of tantalum pentoxide |
US6843970B1 (en) | 1996-03-26 | 2005-01-18 | Cabot Corporation | Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent |
DE19781674T1 (de) * | 1996-03-26 | 1999-04-01 | Cabot Corp | Verfahren zum Löslichmachen von Metallbeständen aus Ta-Nb-Erzmaterialien, welche unlösliche Fluoride enthalten |
US7282187B1 (en) | 1996-03-26 | 2007-10-16 | Caboi Corporation | Recovery of metal values |
US6010676A (en) * | 1997-09-12 | 2000-01-04 | Osram Sylvania Inc. | Method for making a highly pure tantalum compound |
US6383459B1 (en) | 2000-08-31 | 2002-05-07 | Osram Sylvania Inc. | Method for purifying a tantalum compound using a fluoride compound and sulfuric acid |
WO2003046234A1 (fr) * | 2001-11-29 | 2003-06-05 | Viktor Borisovich Petrov | Procede de transformation d'un concentre de loparite |
WO2003046236A1 (fr) * | 2001-11-29 | 2003-06-05 | Ninel Israelisovna Kasikova | Procédé de transformation d'un concentré de loparite |
US7182925B2 (en) * | 2003-04-24 | 2007-02-27 | Osram Sylvania Inc. | Tantalum concentrates dissolution and purification method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2950966A (en) * | 1958-06-20 | 1960-08-30 | Nat Distillers Chem Corp | Recovery of tantalum values |
US2953453A (en) * | 1958-06-20 | 1960-09-20 | Nat Distillers Chem Corp | Recovery of columbium values |
-
1971
- 1971-03-29 US US00128706A patent/US3712939A/en not_active Expired - Lifetime
-
1972
- 1972-01-04 SE SE7204034A patent/SE436499B/xx unknown
- 1972-02-01 CA CA133,629A patent/CA966668A/en not_active Expired
- 1972-03-25 DE DE19722214817 patent/DE2214817B2/de not_active Ceased
- 1972-03-28 NO NO01079/72A patent/NO129054B/no unknown
- 1972-03-28 GB GB1437072A patent/GB1363953A/en not_active Expired
- 1972-03-28 AT AT268472A patent/AT315521B/de not_active IP Right Cessation
- 1972-03-28 NL NL7204177A patent/NL7204177A/xx unknown
- 1972-03-28 LU LU65058D patent/LU65058A1/xx unknown
- 1972-03-28 ZA ZA722091A patent/ZA722091B/xx unknown
- 1972-03-28 FR FR7210835A patent/FR2132127B1/fr not_active Expired
- 1972-03-28 IT IT49297/72A patent/IT952432B/it active
- 1972-03-28 BE BE781343A patent/BE781343A/xx not_active IP Right Cessation
- 1972-03-28 AU AU40473/72A patent/AU469419B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3712939A (en) | 1973-01-23 |
AU469419B2 (en) | 1973-10-04 |
ZA722091B (en) | 1972-12-27 |
AU4047372A (en) | 1973-10-04 |
GB1363953A (en) | 1974-08-21 |
IT952432B (it) | 1973-07-20 |
CA966668A (en) | 1975-04-29 |
NL7204177A (it) | 1972-10-03 |
LU65058A1 (it) | 1972-12-07 |
DE2214817A1 (de) | 1972-10-12 |
FR2132127A1 (it) | 1972-11-17 |
AT315521B (de) | 1974-05-27 |
BE781343A (fr) | 1972-09-28 |
FR2132127B1 (it) | 1974-08-02 |
NO129054B (it) | 1974-02-18 |
DE2214817B2 (de) | 1976-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE436499B (sv) | Sett att utvinna niob och/eller tantal fran malmer genom lakning med fluorvetesyra | |
SE392471B (sv) | Nya makromolekylera foreningar herrorande fran kitosan och sett att framstella desamma | |
HK44376A (en) | Improvements relating to protective envelopes and methods of manufacturing said envelopes | |
IT964102B (it) | Preparazione d acido gliossilico | |
SE398649B (sv) | Apparatur for konvertering av hogpolymerer till gasformiga brenslen | |
AU4155572A (en) | Process forthe preparation of acrylic acid | |
FI54042C (fi) | Foerfarande foer tillvaratagning av naeringsfysiologiskt och/eller teknologiskt vaerdefulla proteiner och kvaevefoereningar och lipider fraon ben och koettben | |
GB1405007A (en) | Fastening of elements to shafts | |
IL38985A0 (en) | Preparation of 2-haloethylphosphonic acid | |
IT971342B (it) | Esteri di piperidinoli | |
TR17117A (tr) | Ezilmis domates elde edilmesinde veya bununla ilgili islahat | |
CA980789A (en) | Preparation of organosilicone esters | |
ZA724226B (en) | Recovery of cyclopentene | |
IT961221B (it) | Preparazione di composizioni ridenticide | |
IT951449B (it) | Preparazione di pitture | |
IL37798A0 (en) | Novel fluoro-steroids of thepregnane series and pharmaceutical compositions containing them | |
AU472444B2 (en) | Improvements relating to manufacture of constructional components | |
AR193124A1 (es) | Procedimiento mejorado para preparar alfa-(carbo(5-indaniloxi))benzilpenicilina | |
GB1373589A (en) | Preparation of organic pigments | |
AR200718A1 (es) | Procedimiento para preparar 1-isopropil-4-fenil-7-metil-2(1h)-quinazolinona | |
IT974150B (it) | Procedimento per preparare copoli meri di metacrilati resistenti ad intemperie ed urto | |
SE385578B (sv) | Sett att framstella volframkarbid eller volframkarbidhaltiga blandade metallkarbider | |
AR193721A1 (es) | Perfluorocompuestos fosforosos y procedimiento para prepararlos | |
IT950689B (it) | Procedimento per stabilizzare il propanosultone | |
BE779155A (fr) | Preparation d'un aminophenyl-benzothiazole |