JPS5285061A - Removal of fluorine ions in solution containing conc. silicic acid - Google Patents

Removal of fluorine ions in solution containing conc. silicic acid

Info

Publication number
JPS5285061A
JPS5285061A JP178076A JP178076A JPS5285061A JP S5285061 A JPS5285061 A JP S5285061A JP 178076 A JP178076 A JP 178076A JP 178076 A JP178076 A JP 178076A JP S5285061 A JPS5285061 A JP S5285061A
Authority
JP
Japan
Prior art keywords
silicic acid
solution containing
removal
fluorine ions
containing conc
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
JP178076A
Other languages
Japanese (ja)
Inventor
Hiromoto Uejima
Chuya Ishibashi
Yoshinao Matsubara
Noboru Fukushima
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.)
Unitika Ltd
Original Assignee
Unitika 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 Unitika Ltd filed Critical Unitika Ltd
Priority to JP178076A priority Critical patent/JPS5285061A/en
Publication of JPS5285061A publication Critical patent/JPS5285061A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To easily remove fluorine ions in a solution containing conc. silicic acid by adding a calcium source to said solution to reduce the silicic acid ions to less than 500ppm and further, again adding a calcium salt to it.
COPYRIGHT: (C)1977,JPO&Japio
JP178076A 1976-01-08 1976-01-08 Removal of fluorine ions in solution containing conc. silicic acid Pending JPS5285061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP178076A JPS5285061A (en) 1976-01-08 1976-01-08 Removal of fluorine ions in solution containing conc. silicic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP178076A JPS5285061A (en) 1976-01-08 1976-01-08 Removal of fluorine ions in solution containing conc. silicic acid

Publications (1)

Publication Number Publication Date
JPS5285061A true JPS5285061A (en) 1977-07-15

Family

ID=11511078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP178076A Pending JPS5285061A (en) 1976-01-08 1976-01-08 Removal of fluorine ions in solution containing conc. silicic acid

Country Status (1)

Country Link
JP (1) JPS5285061A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009196858A (en) * 2008-02-22 2009-09-03 Ebara Corp Method and apparatus for recovering synthetic fluorite
JP2014171967A (en) * 2013-03-08 2014-09-22 Mitsubishi Materials Corp Method for recovering calcium fluoride and recovery facility for the same
CN106123828A (en) * 2016-08-29 2016-11-16 纽尚(宁波)汽车轴承制造有限公司 The device that ball diameter detects automatically on bearing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009196858A (en) * 2008-02-22 2009-09-03 Ebara Corp Method and apparatus for recovering synthetic fluorite
JP2014171967A (en) * 2013-03-08 2014-09-22 Mitsubishi Materials Corp Method for recovering calcium fluoride and recovery facility for the same
CN106123828A (en) * 2016-08-29 2016-11-16 纽尚(宁波)汽车轴承制造有限公司 The device that ball diameter detects automatically on bearing

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