JPS5748305A - Membrane separation treatment of oil containing waste water - Google Patents

Membrane separation treatment of oil containing waste water

Info

Publication number
JPS5748305A
JPS5748305A JP12365680A JP12365680A JPS5748305A JP S5748305 A JPS5748305 A JP S5748305A JP 12365680 A JP12365680 A JP 12365680A JP 12365680 A JP12365680 A JP 12365680A JP S5748305 A JPS5748305 A JP S5748305A
Authority
JP
Japan
Prior art keywords
waste water
oil
containing waste
membrane separation
oil containing
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
JP12365680A
Other languages
Japanese (ja)
Inventor
Naooki Imamura
Sumio Takadono
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.)
Nitto Denko Corp
Original Assignee
Nitto Electric Industrial 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 Nitto Electric Industrial Co Ltd filed Critical Nitto Electric Industrial Co Ltd
Priority to JP12365680A priority Critical patent/JPS5748305A/en
Publication of JPS5748305A publication Critical patent/JPS5748305A/en
Pending legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To effectively carry out membrane separation treatment by making an oil component insoluble by acidifying the pH of an oil containing waste water.
CONSTITUTION: In a storage tank 2, the pH of an emulsified oil containing waste water 1 is adjusted to 2W6 by adding an inorg. acid or/and an org. acid thereto and stirring the same and, while a floated oil is removed from a line 9 in a floated oil removing apparatus 8, said waste water is supplied to a membrane separation apparatus 4 by a pump 6 to be separated into a permeate water 5 and a concentrated liquid 6. Therefore, the emulsified oil component in the oil containing waste water as well as an oil component of an additive can be efectively removed as well as, by supplying the oil containing waste water to the membrane separation treatment apparatus after the floated oil easily adhered to a selective permeation membrane assembled in said apparatus is preliminarily removed or while removed, pollution of a membrane surface due to the floated oil can be prevented and, while a permeated water amount is kept high, the membrane separation treatment of the oil containing waste water can be stably carried out.
COPYRIGHT: (C)1982,JPO&Japio
JP12365680A 1980-09-05 1980-09-05 Membrane separation treatment of oil containing waste water Pending JPS5748305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12365680A JPS5748305A (en) 1980-09-05 1980-09-05 Membrane separation treatment of oil containing waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12365680A JPS5748305A (en) 1980-09-05 1980-09-05 Membrane separation treatment of oil containing waste water

Publications (1)

Publication Number Publication Date
JPS5748305A true JPS5748305A (en) 1982-03-19

Family

ID=14866010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12365680A Pending JPS5748305A (en) 1980-09-05 1980-09-05 Membrane separation treatment of oil containing waste water

Country Status (1)

Country Link
JP (1) JPS5748305A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004358372A (en) * 2003-06-05 2004-12-24 Kuniyoshi Higuchi Method of treating grease-trap waste solution
CN103316507A (en) * 2013-06-06 2013-09-25 华南理工大学 Super-hydrophilic and underwater-super-oleophobic oil-water separation mesh membrane, and preparation method and application thereof
CN111039433A (en) * 2019-12-13 2020-04-21 浙江天地环保科技有限公司 System and method for treating ship tail gas desulfurization washing wastewater
WO2022054417A1 (en) * 2020-09-08 2022-03-17 日東電工株式会社 Method for processing oil-containing wastewater

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004358372A (en) * 2003-06-05 2004-12-24 Kuniyoshi Higuchi Method of treating grease-trap waste solution
CN103316507A (en) * 2013-06-06 2013-09-25 华南理工大学 Super-hydrophilic and underwater-super-oleophobic oil-water separation mesh membrane, and preparation method and application thereof
CN111039433A (en) * 2019-12-13 2020-04-21 浙江天地环保科技有限公司 System and method for treating ship tail gas desulfurization washing wastewater
WO2022054417A1 (en) * 2020-09-08 2022-03-17 日東電工株式会社 Method for processing oil-containing wastewater
JP2022045203A (en) * 2020-09-08 2022-03-18 日東電工株式会社 Method for processing oil-containing wastewater

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