TW347380B - Method for the preparation of sodium tungstate - Google Patents

Method for the preparation of sodium tungstate

Info

Publication number
TW347380B
TW347380B TW085106820A TW85106820A TW347380B TW 347380 B TW347380 B TW 347380B TW 085106820 A TW085106820 A TW 085106820A TW 85106820 A TW85106820 A TW 85106820A TW 347380 B TW347380 B TW 347380B
Authority
TW
Taiwan
Prior art keywords
preparation
sodium tungstate
molten salt
metal scrap
na2so4
Prior art date
Application number
TW085106820A
Other languages
English (en)
Inventor
Lohse Michael
Original Assignee
Starck H C Gmbh Co Kg
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 Starck H C Gmbh Co Kg filed Critical Starck H C Gmbh Co Kg
Application granted granted Critical
Publication of TW347380B publication Critical patent/TW347380B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/09—Reaction techniques
    • Y10S423/12—Molten media

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
TW085106820A 1995-06-12 1996-06-07 Method for the preparation of sodium tungstate TW347380B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19521333A DE19521333C1 (de) 1995-06-12 1995-06-12 Verfahren zur Herstellung von Natriumwolframat

Publications (1)

Publication Number Publication Date
TW347380B true TW347380B (en) 1998-12-11

Family

ID=7764179

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085106820A TW347380B (en) 1995-06-12 1996-06-07 Method for the preparation of sodium tungstate

Country Status (16)

Country Link
US (1) US5993756A (zh)
EP (1) EP0832041B1 (zh)
JP (1) JP3958790B2 (zh)
KR (1) KR100426561B1 (zh)
CN (1) CN1071714C (zh)
AT (1) ATE200472T1 (zh)
CA (1) CA2224254A1 (zh)
CZ (1) CZ288348B6 (zh)
DE (2) DE19521333C1 (zh)
HU (1) HU220255B (zh)
IL (1) IL122140A (zh)
PL (1) PL185324B1 (zh)
PT (1) PT832041E (zh)
TW (1) TW347380B (zh)
WO (1) WO1996041768A1 (zh)
ZA (1) ZA964946B (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6395241B1 (en) * 2000-11-03 2002-05-28 Om Group, Inc. Process for recovering the carbide metal from metal carbide scrap
RU2223226C1 (ru) * 2003-01-15 2004-02-10 Терехов Анатолий Константинович Низкотемпературный способ получения вольфрамата натрия
DE102006030731A1 (de) * 2006-06-30 2008-01-03 H.C. Starck Gmbh Recycling von Superlegierungen
US8632747B2 (en) 2009-03-11 2014-01-21 A.L.M.T. Corp. Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution
JP5569934B2 (ja) * 2009-07-07 2014-08-13 独立行政法人産業技術総合研究所 第５族元素及び／又は第６族元素の溶解方法
JP5993374B2 (ja) 2011-08-10 2016-09-14 住友電気工業株式会社 元素回収方法
RU2480529C1 (ru) * 2012-03-05 2013-04-27 Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Способ переработки скрапа анодов танталовых оксидно-полупроводниковых конденсаторов
JP6018958B2 (ja) 2013-03-15 2016-11-02 株式会社アライドマテリアル タングステン酸ナトリウムの製造方法
KR101581860B1 (ko) * 2014-03-11 2015-12-31 한국세라믹기술원 폐초경합금 스크랩을 활용한 고순도 파라텅스텐산암모늄 제조방법
JP6747641B2 (ja) * 2016-03-03 2020-08-26 国立研究開発法人産業技術総合研究所 水蒸気分圧を制御した第５族元素及び／又は第６族元素の溶解、回収方法と装置
CN105858728A (zh) * 2016-05-20 2016-08-17 昆明理工大学 一种钨废料回收制备钨酸钠的方法
CN108441640B (zh) * 2018-04-03 2019-05-07 湖南工学院 一种废弃金刚石磨料资源综合回收利用的方法
WO2022113669A1 (ja) * 2020-11-24 2022-06-02 国立大学法人京都大学 タングステン酸のアルカリ金属塩の製造方法、タングステンの製造方法及びタングステン酸のアルカリ金属塩を含む組成物
JP7688841B2 (ja) * 2021-12-27 2025-06-05 三菱マテリアル株式会社 タングステン酸ナトリウムの製造方法
JP7688842B2 (ja) * 2021-12-27 2025-06-05 三菱マテリアル株式会社 タングステン酸ナトリウムの製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE207932C (zh) *
US667705A (en) * 1899-12-30 1901-02-12 George T Holloway Process of making tungstates.
US1800758A (en) * 1926-12-31 1931-04-14 Schwarzkopf Paul Process for the production of chemically-pure tungsten trioxide
GB791925A (en) * 1955-09-07 1958-03-12 Francis Hubert Scott The recovery of tungsten from high speed steel scale and grinding swarf
US3595484A (en) * 1969-02-28 1971-07-27 Paul G Barnard Reclamation of refractory carbides from carbide materials
FR2051650A7 (en) * 1969-07-10 1971-04-09 Von Stein Paul Tungsten extraction by alkali metal - sulphide fusion
US3887680A (en) * 1973-10-23 1975-06-03 Gte Sylvania Inc Process for recovering tungsten from tungsten carbides containing an iron group of metals
US4298581A (en) * 1980-04-15 1981-11-03 Cabot Corporation Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material
SU954472A1 (ru) * 1980-12-29 1982-08-30 Институт металлургии им.Байкова Шихта дл получени вольфрамата натри
DD207932A1 (de) * 1982-04-08 1984-03-21 Gerd Baier Verfahren zur rueckgewinnung der kobalt-, tantal- und niobbestandteile aus hartmetallschrotten
HU190811B (en) * 1982-09-01 1986-11-28 Mta Mueszaki Fizikai Kutato Intezet,Hu Method for decomposing hard metal wastes by anodic oxidation and dissolving
US4406866A (en) * 1982-09-20 1983-09-27 Gte Products Corporation Recovery of refractory metal values from scrap cemented carbide
US4603043A (en) * 1985-03-01 1986-07-29 Gte Products Corporation Controllable nitrate fusion

Also Published As

Publication number Publication date
HUP9801918A3 (en) 1998-12-28
ZA964946B (en) 1997-01-23
PL324083A1 (en) 1998-05-11
DE59606775D1 (de) 2001-05-17
CA2224254A1 (en) 1996-12-27
CN1071714C (zh) 2001-09-26
CZ288348B6 (en) 2001-05-16
KR100426561B1 (ko) 2004-05-20
CN1187801A (zh) 1998-07-15
CZ401897A3 (cs) 1998-07-15
KR19990022832A (ko) 1999-03-25
HU220255B (hu) 2001-11-28
IL122140A (en) 2000-07-16
US5993756A (en) 1999-11-30
WO1996041768A1 (de) 1996-12-27
IL122140A0 (en) 1998-04-05
HUP9801918A1 (hu) 1998-11-30
ATE200472T1 (de) 2001-04-15
JPH11505801A (ja) 1999-05-25
DE19521333C1 (de) 1996-12-05
JP3958790B2 (ja) 2007-08-15
EP0832041A1 (de) 1998-04-01
EP0832041B1 (de) 2001-04-11
PL185324B1 (pl) 2003-04-30
PT832041E (pt) 2001-09-27

Similar Documents

Publication Publication Date Title
TW347380B (en) Method for the preparation of sodium tungstate
AU575969B2 (en) Reduction of re oxide to re metal or alloy for magnets
UA7088A1 (uk) Спосіб одержання солі 2-(2-гідроксіетоксі)етіламіна та 3,6-діхлор-2-метоксібензойної кислоти
CA2035185A1 (fr) Procede d'elaboration de composes binaires du soufre
PL332511A1 (en) Method of hydroxyalkylating phenols
AU1975888A (en) Process for the production of a bath of molten metal or alloys
CA2009772A1 (en) Direct fluorination of fluoro-.beta.-sultones in order to produce the corresponding fluorooxy-fluorosulfonyl- fluorocompounds
CA2103480A1 (en) A process for the production of pure nickel hydroxide and its use
ES486617A1 (es) Procedimiento para la obtencion de zeolita a.
ES8605497A1 (es) Procedimiento para la obtencion de benzotiazolsulfenamidas
FR2446258B1 (zh)
DE3160343D1 (en) Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene of high purity
CA2037718A1 (en) Sulfate removal from alkali metal chlorate solutions and production of alkali metal chlorate including said removal
DE3480413D1 (en) Production of alloy steels using chemically prepared v2o3 as a vanadium additive
EP0782996A4 (en) METHOD FOR PRODUCING N-BIPHENYLMETHYLTHIADIAZOLINE DERIVATIVES OR THEIR SALTS, AND INTERMEDIATE COMPOUNDS REQUIRED THEREFOR
AU1377200A (en) Method for making an aqueous sodium chloride solution
GR3032474T3 (en) Selective dehalogenation method
CA2213738A1 (en) Process for the preparation of granulated potassium chloride
FR2697030B1 (fr) Procédé de production d'alliages de magnésium de haute pureté et alliage ainsi obtenu.
ES8202049A1 (es) Un procedimiento para obtener pigmento de oxido de hierro amarillo
RU98100306A (ru) Способ получения вольфрамата натрия
Labate Method and Material for Treating Coke Oven Doors and Other Metal Objects
Kovachev et al. A Technology for Using High-Alloy Steel Scrap
MX9505260A (es) Proceso mejorado para la obtencion de ftalocianina de cobalto via sales fundidas.
HU175614B (hu) Sposob izgotovlenija metodom lit'ja predmetov prikladnogo iskusstva so slozhnoj formoj iz aljuminija, cinka i podobnykh cvetnyh metallov