GB810428A - Process for the production of multivalent metals and non-metals - Google Patents

Process for the production of multivalent metals and non-metals

Info

Publication number
GB810428A
GB810428A GB5441/57A GB544157A GB810428A GB 810428 A GB810428 A GB 810428A GB 5441/57 A GB5441/57 A GB 5441/57A GB 544157 A GB544157 A GB 544157A GB 810428 A GB810428 A GB 810428A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
halide
metals
hafnium
multivalent
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
GB5441/57A
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.)
Millennium Petrochemicals Inc
Original Assignee
National Destillers and Chemical 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.)
Filing date
Publication date
Application filed by National Destillers and Chemical Corp filed Critical National Destillers and Chemical Corp
Publication of GB810428A publication Critical patent/GB810428A/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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Multivalent metals and non-metals are prepared by reducing a higher halide thereof to a lower halide with a deficit of alkali metal at a temperature above the melting-point of the alkali metal and below the melting-point of the alkali metal halide thereby forming a finelydivided mixture of a lower halide of the element and the alkali metal halide the former of which is then reduced to the element with the required additional amount of alkali metal. The extraction of zirconium and hafnium are quoted as examples and in the latter case, hafnium tetrachloride was reacted at 200 DEG C. with 25 per cent of the amount of sodium required for complete reduction and the resulting dry mixture of solid was transferred to a sintering vessel to which the remaining 75 per cent of sodium was added, the mixture heated to 960 DEG C. and the hafnium sponge was recovered by an acid leaching process. Other multivalent elements to which the invention is said to be applicable are Am, Sb, Bi, Cs, Ce, Cr, Co, Cu, Eu, Ga, Ge, Au, In, Ir, Fe, Pb, Mn, Mo, Np, Ni, Nb, Os, Pd, Pt, Po, Re, Rh, Ru, Sm, Tc, Tb, Tl, Sn, W, U, V, Yb, P, As, S, Se, Te and B. Specification 805,076, [Group II], is referred to.ALSO:Multivalent metals and non-metals are prepared by reducing a higher halide thereof to a lower halide with a deficit of alkali metal at a temperature above the melting point of the alkali metal and below the melting point of the alkali metal halide thereby forming a finely divided mixture of a lower halide of the element and the alkali metal halide the former of which is then reduced to the element with the required additional amount of alkali metal. The extraction of zirconium and hafnium are quoted as examples and in the latter case, hafnium tetrachloride was reacted at 200 DEG C. with 25 per cent of the amount of sodium required for complete reduction and the resulting dry mixture of solid was transferred to a sintering vessel to which the remaining 75 per cent of sodium was added, the mixture heated to 960 DEG C. and the hafnium sponge was recovered by an acid leaching process. Other multivalent elements to which the invention is said to be applicable are Am, Sb, Bi, Cs, Ce, Cr, Co, Cu, Eu, Ga, Ge, Au, In, Ir, Fe, Pb, Mn, Mo, Np, Ni, Nb, Os, Pd, Pt, Po, Re, Rh, Ru, Sm, Tc, Tb, Tl, Sn, W, U, V, Yb, P, As, S, Se, Te and B. Specification 805,076 is referred to.
GB5441/57A 1956-02-16 1957-02-18 Process for the production of multivalent metals and non-metals Expired GB810428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US810428XA 1956-02-16 1956-02-16

Publications (1)

Publication Number Publication Date
GB810428A true GB810428A (en) 1959-03-18

Family

ID=22161752

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5441/57A Expired GB810428A (en) 1956-02-16 1957-02-18 Process for the production of multivalent metals and non-metals

Country Status (1)

Country Link
GB (1) GB810428A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104166A (en) * 1961-03-02 1963-09-17 Dow Chemical Co Production and separation of molten cerium from its reducing metal chloride which is in solid form
US4285724A (en) 1979-11-15 1981-08-25 Aluminum Company Of America Continuous production of finely divided zirconium powder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104166A (en) * 1961-03-02 1963-09-17 Dow Chemical Co Production and separation of molten cerium from its reducing metal chloride which is in solid form
US4285724A (en) 1979-11-15 1981-08-25 Aluminum Company Of America Continuous production of finely divided zirconium powder

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