GB960432A - Treatment of columbite and tantalite ores - Google Patents

Treatment of columbite and tantalite ores

Info

Publication number
GB960432A
GB960432A GB3553560A GB3553560A GB960432A GB 960432 A GB960432 A GB 960432A GB 3553560 A GB3553560 A GB 3553560A GB 3553560 A GB3553560 A GB 3553560A GB 960432 A GB960432 A GB 960432A
Authority
GB
United Kingdom
Prior art keywords
ores
tantalite
roasting
columbite
alkali
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.)
Expired
Application number
GB3553560A
Inventor
Hugh David Sawyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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.)
Filing date
Publication date
Application filed by National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB3553560A priority Critical patent/GB960432A/en
Publication of GB960432A publication Critical patent/GB960432A/en
Expired legal-status Critical Current

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

Abstract

Niobium and tantalum values are extracted from ores e.g columbite and tantalite by thoroughly mixing the ore with sodium or potassium hydroxide and roasting to form a soft friable mass from which the metal values are extracted by known methods e.g. hydrochloric acid for niobium and fractional crystallization from hydrofluoric acid for tantalum. The amount of alkali added is such that there is no separate molten alkali phase when the roasting is terminated. The roasting may be carried out at 600-800 DEG C. Before mixing with alkali the ores are preferably ground to a particle size finer than 200 mesh B.S.S. Tantalite ores of high manganese content are preferably roasted in an atmosphere of nitrogen.
GB3553560A 1960-10-17 1960-10-17 Treatment of columbite and tantalite ores Expired GB960432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3553560A GB960432A (en) 1960-10-17 1960-10-17 Treatment of columbite and tantalite ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3553560A GB960432A (en) 1960-10-17 1960-10-17 Treatment of columbite and tantalite ores

Publications (1)

Publication Number Publication Date
GB960432A true GB960432A (en) 1964-06-10

Family

ID=10378814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3553560A Expired GB960432A (en) 1960-10-17 1960-10-17 Treatment of columbite and tantalite ores

Country Status (1)

Country Link
GB (1) GB960432A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108796228A (en) * 2018-07-06 2018-11-13 李雅丽 A kind of niobium element recycling process of enriching
CN113151669A (en) * 2021-04-28 2021-07-23 郑州大学 Method for decomposing low-grade tantalum-niobium resource and extracting tantalum-niobium by alkaline process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108796228A (en) * 2018-07-06 2018-11-13 李雅丽 A kind of niobium element recycling process of enriching
CN113151669A (en) * 2021-04-28 2021-07-23 郑州大学 Method for decomposing low-grade tantalum-niobium resource and extracting tantalum-niobium by alkaline process
CN113151669B (en) * 2021-04-28 2022-07-29 郑州大学 Method for decomposing low-grade tantalum-niobium resource and extracting tantalum-niobium by alkaline process

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