GB792638A - Improvements in or relating to the preparation of titanium and other metals from their weakly-bonded covalent halides - Google Patents

Improvements in or relating to the preparation of titanium and other metals from their weakly-bonded covalent halides

Info

Publication number
GB792638A
GB792638A GB2445453A GB2445453A GB792638A GB 792638 A GB792638 A GB 792638A GB 2445453 A GB2445453 A GB 2445453A GB 2445453 A GB2445453 A GB 2445453A GB 792638 A GB792638 A GB 792638A
Authority
GB
United Kingdom
Prior art keywords
vessel
halide
jet
metal
vacuum
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
GB2445453A
Inventor
Richard John Fletcher
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 GB2445453A priority Critical patent/GB792638A/en
Publication of GB792638A publication Critical patent/GB792638A/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
    • 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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/129—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds by dissociation, e.g. thermic dissociation of titanium tetraiodide, or by electrolysis or with the use of an electric arc
    • 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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium
    • 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma

Abstract

792,638. Producing titanium &c. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Sept. 6, 1954 [Sept. 4, 1953], No. 24454/53 Class 82(1) Metals which form weakly bonded covalent halides (e.g. Ti, Zr and Ta) are continuously prepared by removably mounting a small body 14 of the metal in a closed reaction vessel 10, establishing a high vacuum within the vessel (e.g. a pressure below .001 mm of Hg by means of a gate valve 20, high vacuum pump 21 and mechanical pump 22), establishing a potential difference between the body and a jet nozzle 18 (e.g. by connections 26, 27) whilst continously directing a jet of a halide (chloride, bromide or iodide) of the metal into the vessel (e.g. from a source 15 with a reducing valve 16) so as to be intercepted by the body which becomes heated by positive ion bombardment, the vacuum within the vessel being sufficiently high for the halide molecules to form a molecular jet (defined in the Specification) in their travel to the body, the latter being heated to a temperature in excess of the dissociation temperature of the halide, continuously removing from the vessel (e.g. by the pump 21, 22) free halogen formed in the region of the body by thermal dissociation of the halide, and periodically removing the body and replacing it with a fresh body when an appreciable quantity of new metal has been deposited on the first body. As shown, the body 14 is carried by a mandrel 12 which is slowly rotated and slowly withdrawn from the jet through a detachable end plate 11. The latter may be replaced by a vacuum gate, or a reverse mandrel carrying a fresh body 14 could be rotated into position on a capstan or the like. The heating of the body may be augmented by means of an induction coil 23.
GB2445453A 1953-09-04 1953-09-04 Improvements in or relating to the preparation of titanium and other metals from their weakly-bonded covalent halides Expired GB792638A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2445453A GB792638A (en) 1953-09-04 1953-09-04 Improvements in or relating to the preparation of titanium and other metals from their weakly-bonded covalent halides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2445453A GB792638A (en) 1953-09-04 1953-09-04 Improvements in or relating to the preparation of titanium and other metals from their weakly-bonded covalent halides

Publications (1)

Publication Number Publication Date
GB792638A true GB792638A (en) 1958-04-02

Family

ID=10211952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2445453A Expired GB792638A (en) 1953-09-04 1953-09-04 Improvements in or relating to the preparation of titanium and other metals from their weakly-bonded covalent halides

Country Status (1)

Country Link
GB (1) GB792638A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204298A2 (en) * 1985-06-03 1986-12-10 Tosoh Corporation Process for producing niobium metal of an ultrahigh purity
WO2013152805A1 (en) 2012-04-13 2013-10-17 European Space Agency Method and system for production and additive manufacturing of metals and alloys

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204298A2 (en) * 1985-06-03 1986-12-10 Tosoh Corporation Process for producing niobium metal of an ultrahigh purity
EP0204298A3 (en) * 1985-06-03 1989-04-19 Tosoh Corporation Process for producing niobium metal of an ultrahigh purity
WO2013152805A1 (en) 2012-04-13 2013-10-17 European Space Agency Method and system for production and additive manufacturing of metals and alloys

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