JPS535861A - Process for treating drain water containing phosphoric acid - Google Patents

Process for treating drain water containing phosphoric acid

Info

Publication number
JPS535861A
JPS535861A JP7941976A JP7941976A JPS535861A JP S535861 A JPS535861 A JP S535861A JP 7941976 A JP7941976 A JP 7941976A JP 7941976 A JP7941976 A JP 7941976A JP S535861 A JPS535861 A JP S535861A
Authority
JP
Japan
Prior art keywords
phosphoric acid
drain water
water containing
containing phosphoric
treating drain
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
JP7941976A
Other languages
Japanese (ja)
Other versions
JPS5540075B2 (en
Inventor
Hiroyuki Imamura
Tadahiro Kobayakawa
Takanori Yazaki
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP7941976A priority Critical patent/JPS535861A/en
Publication of JPS535861A publication Critical patent/JPS535861A/en
Publication of JPS5540075B2 publication Critical patent/JPS5540075B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE: To remove a phosphoric acid ion in drain water by adjusting pH to 7.5 - 10 with slaked lime after a neutral calcium salt is added to an inductrial drain water containing a one valence cation e.g. NH3, Na, K, etc. together with a phosphoric acid ion.
COPYRIGHT: (C)1978,JPO&Japio
JP7941976A 1976-07-06 1976-07-06 Process for treating drain water containing phosphoric acid Granted JPS535861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7941976A JPS535861A (en) 1976-07-06 1976-07-06 Process for treating drain water containing phosphoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7941976A JPS535861A (en) 1976-07-06 1976-07-06 Process for treating drain water containing phosphoric acid

Publications (2)

Publication Number Publication Date
JPS535861A true JPS535861A (en) 1978-01-19
JPS5540075B2 JPS5540075B2 (en) 1980-10-15

Family

ID=13689336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7941976A Granted JPS535861A (en) 1976-07-06 1976-07-06 Process for treating drain water containing phosphoric acid

Country Status (1)

Country Link
JP (1) JPS535861A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565192A (en) * 1979-06-28 1981-01-20 Ebara Infilco Co Ltd Highly advanced treatment of waste water
JPS56163792A (en) * 1980-05-22 1981-12-16 Ebara Infilco Co Ltd Removing method for phosphoric acid dissolved in water
FR2729134A1 (en) * 1995-01-06 1996-07-12 Total Raffinage Distribution Neutralising acid liq. effluents contg. precipitatable metals
JP2002035768A (en) * 2000-07-21 2002-02-05 Japan Organo Co Ltd Method for removing phosphorus and fluorine in wastewater

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565192A (en) * 1979-06-28 1981-01-20 Ebara Infilco Co Ltd Highly advanced treatment of waste water
JPS56163792A (en) * 1980-05-22 1981-12-16 Ebara Infilco Co Ltd Removing method for phosphoric acid dissolved in water
JPH0117753B2 (en) * 1980-05-22 1989-03-31 Ebara Infilco
FR2729134A1 (en) * 1995-01-06 1996-07-12 Total Raffinage Distribution Neutralising acid liq. effluents contg. precipitatable metals
JP2002035768A (en) * 2000-07-21 2002-02-05 Japan Organo Co Ltd Method for removing phosphorus and fluorine in wastewater

Also Published As

Publication number Publication date
JPS5540075B2 (en) 1980-10-15

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