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JPS5289561A - Removal of calcium ions from solution containing calcium ions - Google Patents

Removal of calcium ions from solution containing calcium ions

Info

Publication number
JPS5289561A
JPS5289561A JP591676A JP591676A JPS5289561A JP S5289561 A JPS5289561 A JP S5289561A JP 591676 A JP591676 A JP 591676A JP 591676 A JP591676 A JP 591676A JP S5289561 A JPS5289561 A JP S5289561A
Authority
JP
Japan
Prior art keywords
calcium ions
solution containing
removal
containing calcium
ions
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
JP591676A
Other languages
Japanese (ja)
Inventor
Osamu Kuroda
Sankichi Takahashi
Azuma Nakaoka
Toshimitsu Hayashida
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
Hitachi Plant Engineering and Construction Co 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, Hitachi Plant Engineering and Construction Co Ltd filed Critical Hitachi Ltd
Priority to JP591676A priority Critical patent/JPS5289561A/en
Publication of JPS5289561A publication Critical patent/JPS5289561A/en
Pending legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)
  • Treatment Of Sludge (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PURPOSE: To prevent the precipitation of scale simply and effectively by means of adding alkali metal sulfite etc. to an aqueous solution containing calcium ions at a pH of 6 - 9.5 to precipitate the calcium ions as calcium sulfite.
COPYRIGHT: (C)1977,JPO&Japio
JP591676A 1976-01-23 1976-01-23 Removal of calcium ions from solution containing calcium ions Pending JPS5289561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP591676A JPS5289561A (en) 1976-01-23 1976-01-23 Removal of calcium ions from solution containing calcium ions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP591676A JPS5289561A (en) 1976-01-23 1976-01-23 Removal of calcium ions from solution containing calcium ions

Publications (1)

Publication Number Publication Date
JPS5289561A true JPS5289561A (en) 1977-07-27

Family

ID=11624208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP591676A Pending JPS5289561A (en) 1976-01-23 1976-01-23 Removal of calcium ions from solution containing calcium ions

Country Status (1)

Country Link
JP (1) JPS5289561A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63258692A (en) * 1987-04-15 1988-10-26 Kubota Ltd Treatment of organic sewage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63258692A (en) * 1987-04-15 1988-10-26 Kubota Ltd Treatment of organic sewage

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