JPS5318489A - Treating method for fluorescent substance - Google Patents

Treating method for fluorescent substance

Info

Publication number
JPS5318489A
JPS5318489A JP9233776A JP9233776A JPS5318489A JP S5318489 A JPS5318489 A JP S5318489A JP 9233776 A JP9233776 A JP 9233776A JP 9233776 A JP9233776 A JP 9233776A JP S5318489 A JPS5318489 A JP S5318489A
Authority
JP
Japan
Prior art keywords
fluorescent substance
treating method
recovered
fluorescent
substanace
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.)
Granted
Application number
JP9233776A
Other languages
Japanese (ja)
Other versions
JPS5914074B2 (en
Inventor
Hiroshi Sasaki
Rokuro Tsuji
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP51092337A priority Critical patent/JPS5914074B2/en
Publication of JPS5318489A publication Critical patent/JPS5318489A/en
Publication of JPS5914074B2 publication Critical patent/JPS5914074B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Luminescent Compositions (AREA)

Abstract

PURPOSE: To regenereate a recovered zinc sulfide fluorescent substance to such an extent that it can be used in the same manner as that before recovery by chemically removing org. components in the recovered fluorescent substance;heat treating the fluorescent substance at low temp.;and coating the heat treated fluorescent substanace with colloidal silica.
COPYRIGHT: (C)1978,JPO&Japio
JP51092337A 1976-08-04 1976-08-04 How to treat phosphors Expired JPS5914074B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51092337A JPS5914074B2 (en) 1976-08-04 1976-08-04 How to treat phosphors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51092337A JPS5914074B2 (en) 1976-08-04 1976-08-04 How to treat phosphors

Publications (2)

Publication Number Publication Date
JPS5318489A true JPS5318489A (en) 1978-02-20
JPS5914074B2 JPS5914074B2 (en) 1984-04-03

Family

ID=14051570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51092337A Expired JPS5914074B2 (en) 1976-08-04 1976-08-04 How to treat phosphors

Country Status (1)

Country Link
JP (1) JPS5914074B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330791A (en) * 1990-04-21 1994-07-19 Nichia Kagaku Kogyo K.K. Method of reclaiming phosphor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251278U (en) * 1985-09-19 1987-03-30
JPS6333475U (en) * 1986-08-19 1988-03-03

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5079491A (en) * 1973-11-19 1975-06-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5079491A (en) * 1973-11-19 1975-06-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330791A (en) * 1990-04-21 1994-07-19 Nichia Kagaku Kogyo K.K. Method of reclaiming phosphor

Also Published As

Publication number Publication date
JPS5914074B2 (en) 1984-04-03

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