JPS52137153A - Drainage treating process - Google Patents

Drainage treating process

Info

Publication number
JPS52137153A
JPS52137153A JP5223076A JP5223076A JPS52137153A JP S52137153 A JPS52137153 A JP S52137153A JP 5223076 A JP5223076 A JP 5223076A JP 5223076 A JP5223076 A JP 5223076A JP S52137153 A JPS52137153 A JP S52137153A
Authority
JP
Japan
Prior art keywords
drain water
heating
treating process
drainage
produced
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
JP5223076A
Other languages
Japanese (ja)
Inventor
Harumi Matsuzaki
Isao Okochi
Katsuya Ebara
Sankichi Takahashi
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
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Ltd
Hitachi Plant Technologies 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 Technologies Ltd filed Critical Hitachi Ltd
Priority to JP5223076A priority Critical patent/JPS52137153A/en
Publication of JPS52137153A publication Critical patent/JPS52137153A/en
Pending legal-status Critical Current

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To enhance the thermal efficiency of a drainage treating process by heating the drain water by utilizing the waste heat produced upon heating and drying of concentrated drain water produced in a desalting treatment and by treating the drain water by means of a reverse osmosis or electrodialysis after the reduction of liquid resistance of the drain water by heating a stock water introduced into a desalting device without a particular heat source.
COPYRIGHT: (C)1977,JPO&Japio
JP5223076A 1976-05-10 1976-05-10 Drainage treating process Pending JPS52137153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5223076A JPS52137153A (en) 1976-05-10 1976-05-10 Drainage treating process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5223076A JPS52137153A (en) 1976-05-10 1976-05-10 Drainage treating process

Publications (1)

Publication Number Publication Date
JPS52137153A true JPS52137153A (en) 1977-11-16

Family

ID=12908924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5223076A Pending JPS52137153A (en) 1976-05-10 1976-05-10 Drainage treating process

Country Status (1)

Country Link
JP (1) JPS52137153A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014839A1 (en) * 1979-04-18 1980-11-06 Babcock Hitachi Kk METHOD AND DEVICE FOR ELECTRODIALYSIS
JP2007000789A (en) * 2005-06-24 2007-01-11 Sasakura Engineering Co Ltd Method for concentrating waste water and its apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014839A1 (en) * 1979-04-18 1980-11-06 Babcock Hitachi Kk METHOD AND DEVICE FOR ELECTRODIALYSIS
US4351715A (en) * 1979-04-18 1982-09-28 Hitachi, Ltd. Apparatus for high temperature electrodialysis
JP2007000789A (en) * 2005-06-24 2007-01-11 Sasakura Engineering Co Ltd Method for concentrating waste water and its apparatus

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