JPS565360A - Leaching of split-phase glass - Google Patents

Leaching of split-phase glass

Info

Publication number
JPS565360A
JPS565360A JP7970679A JP7970679A JPS565360A JP S565360 A JPS565360 A JP S565360A JP 7970679 A JP7970679 A JP 7970679A JP 7970679 A JP7970679 A JP 7970679A JP S565360 A JPS565360 A JP S565360A
Authority
JP
Japan
Prior art keywords
phase
leaching
tank
split
glass bar
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.)
Pending
Application number
JP7970679A
Other languages
Japanese (ja)
Inventor
Shiro Kurosaki
Minoru Watanabe
Shigeki Fuchinaga
Masayuki Hata
Shigeo Murai
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP7970679A priority Critical patent/JPS565360A/en
Publication of JPS565360A publication Critical patent/JPS565360A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To obtain a porous glass bar with uniform pore diameter by removing leached components from a split-phase glass by supplying continuously a fresh leaching liquid. CONSTITUTION:For example, the supporting bar 6 with the base plate 15 is put in the reactor 11 and then the split-phase glass bar 17 (having the two phases Na2O- K2O-B2O3 phase and B2O3-SiO2 phase) subjected to a phase-splitting treatment by a heating treatment is fastened onto the base plate 15. Then, the preheated fresh leaching liquid (a 3N HCl solution) is continuously supplied from the storage tank 18 by means of the pump 21 at a fixed speed of 0.4 liter/h and then heated to 95 deg.C by the heater 13 for leaching. The leaching liq. 12' is discharged through the discharge pipe 11 into the discharge tank 23. Thus, a porous glass bar with uniform pore diameter is obtd. Also, instead of the discharge tank 23, a cold trap consisting of a cooling tank with a cooling liquid and a sedimentation tank is provided and a leaching liquid from which leached components are separated can be fed back to the reactor.
JP7970679A 1979-06-26 1979-06-26 Leaching of split-phase glass Pending JPS565360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7970679A JPS565360A (en) 1979-06-26 1979-06-26 Leaching of split-phase glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7970679A JPS565360A (en) 1979-06-26 1979-06-26 Leaching of split-phase glass

Publications (1)

Publication Number Publication Date
JPS565360A true JPS565360A (en) 1981-01-20

Family

ID=13697641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7970679A Pending JPS565360A (en) 1979-06-26 1979-06-26 Leaching of split-phase glass

Country Status (1)

Country Link
JP (1) JPS565360A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101409A (en) * 1972-03-02 1973-12-20
JPS5182026A (en) * 1974-11-14 1976-07-19 Jenaer Glaswerk Schott & Gen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101409A (en) * 1972-03-02 1973-12-20
JPS5182026A (en) * 1974-11-14 1976-07-19 Jenaer Glaswerk Schott & Gen

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