ATE20542T1 - Verfahren zur wiedergewinnung von wolfram. - Google Patents

Verfahren zur wiedergewinnung von wolfram.

Info

Publication number
ATE20542T1
ATE20542T1 AT83304822T AT83304822T ATE20542T1 AT E20542 T1 ATE20542 T1 AT E20542T1 AT 83304822 T AT83304822 T AT 83304822T AT 83304822 T AT83304822 T AT 83304822T AT E20542 T1 ATE20542 T1 AT E20542T1
Authority
AT
Austria
Prior art keywords
tungsten
moles
per mole
hydrogen peroxide
solution
Prior art date
Application number
AT83304822T
Other languages
English (en)
Inventor
George Farrell
Nee Mounsey Diana Mar Anderson
Michael Edward Walton
Original Assignee
Interox Chemicals Ltd
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 Interox Chemicals Ltd filed Critical Interox Chemicals Ltd
Application granted granted Critical
Publication of ATE20542T1 publication Critical patent/ATE20542T1/de

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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • 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
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)
AT83304822T 1982-09-04 1983-08-22 Verfahren zur wiedergewinnung von wolfram. ATE20542T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8225261 1982-09-04
EP19830304822 EP0106456B1 (de) 1982-09-04 1983-08-22 Verfahren zur Wiedergewinnung von Wolfram

Publications (1)

Publication Number Publication Date
ATE20542T1 true ATE20542T1 (de) 1986-07-15

Family

ID=10532699

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83304822T ATE20542T1 (de) 1982-09-04 1983-08-22 Verfahren zur wiedergewinnung von wolfram.

Country Status (7)

Country Link
US (1) US4533527A (de)
EP (1) EP0106456B1 (de)
JP (1) JPS5967329A (de)
AT (1) ATE20542T1 (de)
DE (1) DE3364269D1 (de)
IL (1) IL69542A (de)
ZA (1) ZA836378B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610091B2 (ja) * 1984-05-25 1994-02-09 株式会社日立製作所 ヘテロポリ酸及びそれを乾固させて得られる膜を有するエレクトロクロミック表示素子
DE3662916D1 (en) * 1985-03-04 1989-05-24 Toshiba Kk Methods for preparing high-purity molybdenum or tungsten powder and high-purity oxides powder of the same
GB8508334D0 (en) * 1985-03-29 1985-05-09 Interox Chemicals Ltd Tungsten recovery
GB8508335D0 (en) * 1985-03-29 1985-05-09 Interox Chemicals Ltd Tungsten recovery
US5061599A (en) * 1986-06-11 1991-10-29 Hitachi, Ltd. Radiation sensitive materials
WO1988000249A1 (en) * 1986-06-25 1988-01-14 The University Of Melbourne Tungsten extraction from ore
JPH0738042B2 (ja) * 1986-09-08 1995-04-26 株式会社日立製作所 微小光学部品材料
IL121475A0 (en) * 1997-08-05 1998-02-08 Kopylov Nely Method of disintegrating sintered carbide without coating and refining of recovered carbide powder
US6395241B1 (en) 2000-11-03 2002-05-28 Om Group, Inc. Process for recovering the carbide metal from metal carbide scrap
CN102665973B (zh) * 2009-10-26 2014-07-16 明普罗公司 碳化钨的循环利用
CN115282272A (zh) * 2022-07-18 2022-11-04 东北林业大学 一种基于纳米碳化钨的多酸纳米粒子及其制备方法和应用
CN118880042B (zh) * 2024-07-29 2025-09-30 厦门钨业股份有限公司 一种湿法回收含钨废料中钨的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485175A (en) * 1945-06-07 1949-10-18 Trapp George Joseph Method of recovering hard metal carbides from sintered masses
US2704240A (en) * 1951-10-23 1955-03-15 American Brake Shoe Co Process of preparing tungstic oxide from sintered masses containing tungsten carbide
US3438730A (en) * 1966-11-14 1969-04-15 Warren M Shwayder Method of disintegrating sintered hard carbide masses
BE786723A (de) * 1971-08-05 1973-01-26 Cipel
JPS5410273B2 (de) * 1973-06-28 1979-05-02
JPS5423643A (en) * 1977-07-22 1979-02-22 Aikawa Tekko Doctor blade stablizing apparatus
US4406866A (en) * 1982-09-20 1983-09-27 Gte Products Corporation Recovery of refractory metal values from scrap cemented carbide

Also Published As

Publication number Publication date
DE3364269D1 (en) 1986-07-31
US4533527A (en) 1985-08-06
JPS5967329A (ja) 1984-04-17
IL69542A (en) 1987-01-30
EP0106456B1 (de) 1986-06-25
EP0106456A1 (de) 1984-04-25
IL69542A0 (en) 1983-11-30
ZA836378B (en) 1984-04-25

Similar Documents

Publication Publication Date Title
ATE20542T1 (de) Verfahren zur wiedergewinnung von wolfram.
JPS53102279A (en) Electrode body
KR840006192A (ko) 옥살산 디에스테르의 제조방법
GB1417730A (en) Recovery of molybdenum from spent catalyst
ATE43629T1 (de) Verfahren zur extraktion von hopfeninhaltsstoffen.
ES8503401A1 (es) Procedimiento para la lixiviacion en monton
KR840003600A (ko) 비 대칭 지방족 케톤의 제법
BG29427A3 (bg) Метод за получаване на алфа-6-деокси-5-хидрок- ситетрациклин
KR880006154A (ko) 알데히드의 제조 방법
DE3782319D1 (de) Verfahren zur herstellung von hochreinem zirkonoxid aus kieselsaeurearmen zirkoniumeisenhaltigen stoffen.
ES451621A1 (es) Procedimiento para disociar poliuretanos celulares y no ce- lulares.
IL57973A (en) Process for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acid
ATE25662T1 (de) Verfahren zur reinigung von benzoesaeure.
KR910007807A (ko) 옥소합성(oxo synthesis)후 증류 잔존물로 부터의 로듐 회수 공법
JPS5226400A (en) Process for recovering valuable metals from metallic scraps as simple carbide or as solid solution
GB1158027A (en) Process for Purifying Synthetic Diamond
SE7410168L (de)
GB1514807A (en) Process for preparing sulphur dioxide
GB1143797A (de)
ES455705A1 (es) Un aparato que se puede usar para almacenar, suministrar y recuperar un compuesto condensable usado en estado vaporoso en un dispositivo de elaboracion.
ES8203818A1 (es) Un procedimiento para preparar acido 2-metoxi-3,6-dicloro- benzoico de una pureza de mas de 95 por ciento en peso
JPS56104878A (en) Manufacture of alphaaepoxide having ccatom numbers of 11124
SU514011A1 (ru) Стимул тор растворени гипсовоуглеводородных отложений
ES415060A1 (es) Un procedimiento para extraer fluoruro de hidrogeno de un gas que lo contiene.
GB1224717A (en) Method for the production of benzoyl chloride and benzotrichloride, and its use in the manufacture of benzyl alcohol

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee