BE691847A - - Google Patents

Info

Publication number
BE691847A
BE691847A BE691847DA BE691847A BE 691847 A BE691847 A BE 691847A BE 691847D A BE691847D A BE 691847DA BE 691847 A BE691847 A BE 691847A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE691847A publication Critical patent/BE691847A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/01—Recovery of luminescent materials
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
BE691847D 1965-12-28 1966-12-27 BE691847A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30666 1965-12-28

Publications (1)

Publication Number Publication Date
BE691847A true BE691847A (ko) 1967-05-29

Family

ID=11470202

Family Applications (1)

Application Number Title Priority Date Filing Date
BE691847D BE691847A (ko) 1965-12-28 1966-12-27

Country Status (5)

Country Link
US (1) US3506585A (ko)
BE (1) BE691847A (ko)
FR (1) FR1515093A (ko)
GB (1) GB1173583A (ko)
NL (2) NL6618257A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422594A1 (fr) * 1978-04-14 1979-11-09 Sjeldne Jordarter Forskning Procede de fabrication d'oxyde d'yttrium ayant des particules particulierement grosses

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637517A (en) * 1970-01-15 1972-01-25 Sylvania Electric Prod Process for producing phosphors
US3649216A (en) * 1970-05-28 1972-03-14 Sylvania Electric Prod Cathode luminescent phosphor reclamation
US4053551A (en) * 1976-09-02 1977-10-11 Owens-Illinois, Inc. Methods of recovering terbium oxide from a glass
DE2818997C2 (de) * 1978-02-17 1980-02-07 Schweizerische Aluminium Ag, Chippis (Schweiz) Verfahren zur Rückgewinnung und Trennung von Gadolinium und Gallium aus Schrott
US4400360A (en) * 1982-12-01 1983-08-23 Allied Corporation Recovery of gadolinium and gallium oxides
US4405568A (en) * 1982-12-20 1983-09-20 Allied Corporation Recovery of gadolinium and gallium oxides
JPS60161330A (ja) * 1984-01-31 1985-08-23 Kasei Optonix Co Ltd 廃希土類蛍光体からの高純度希土類酸化物の回収方法
DE3410989A1 (de) * 1984-03-16 1985-09-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Verfahren und vorrichtung zur aufarbeitung von stabfoermigen leuchtstofflampen
JPS6271748A (ja) * 1985-09-26 1987-04-02 Nippon Ee B S Kk アンチスキツド装置用液圧制御装置
US4799530A (en) * 1988-02-08 1989-01-24 Precision Castparts Corp. Method for recovering casting refractory compositions from investment casting slurries
US5160663A (en) * 1991-12-09 1992-11-03 Gte Products Corporation Method of reclaiming lamp phosphor
CN101649197B (zh) * 2009-09-01 2013-12-11 四川九洲光电科技股份有限公司 一种回收发光二极管荧光粉的方法
CN102897817B (zh) * 2012-10-17 2015-01-28 沈阳化工大学 一种NaEuF4微米球的制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009767A (en) * 1945-09-24 1961-11-21 Truman P Kohman Separation of transuranic elements from rare earth compounds
US2722471A (en) * 1952-10-30 1955-11-01 Molybdenum Corp Method for the separation of rare earths
US2967088A (en) * 1956-04-26 1961-01-03 Peters Kurt Extraction techniques for the separation and purification of metals
US2943101A (en) * 1957-04-23 1960-06-28 Peters Kurt Separation and purification of metals
GB866715A (en) * 1957-04-26 1961-04-26 Kurt Peters Process for separating and purifying elements forming insoluble or difficultly soluble oxalates
US3348924A (en) * 1964-05-28 1967-10-24 Gen Telephone & Elect Recovering excess vanadate phosphor removed from a cathodoluminescent screen
US3357925A (en) * 1964-10-29 1967-12-12 Gen Telephone & Elect Method of preparing vanadate phosphors
US3291747A (en) * 1965-03-31 1966-12-13 Gen Telephone And Electronic L Method for making doped yttrium oxide phosphors
US3322682A (en) * 1965-04-23 1967-05-30 American Potash & Chem Corp Rare earth oxide and vanadate phosphors
US3449258A (en) * 1965-07-22 1969-06-10 Westinghouse Electric Corp Method for preparing europium activated yttrium oxide and gadolinium oxide phosphors
US3449259A (en) * 1965-11-17 1969-06-10 Westinghouse Electric Corp Method of making phosphor raw-mix materials and phosphors
NL129105C (ko) * 1965-11-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422594A1 (fr) * 1978-04-14 1979-11-09 Sjeldne Jordarter Forskning Procede de fabrication d'oxyde d'yttrium ayant des particules particulierement grosses

Also Published As

Publication number Publication date
US3506585A (en) 1970-04-14
GB1173583A (en) 1969-12-10
NL6618257A (ko) 1967-06-29
FR1515093A (fr) 1968-03-01
NL131569C (ko) 1900-01-01

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