JPS5390650A - Waste water treatment - Google Patents

Waste water treatment

Info

Publication number
JPS5390650A
JPS5390650A JP442077A JP442077A JPS5390650A JP S5390650 A JPS5390650 A JP S5390650A JP 442077 A JP442077 A JP 442077A JP 442077 A JP442077 A JP 442077A JP S5390650 A JPS5390650 A JP S5390650A
Authority
JP
Japan
Prior art keywords
waste water
water treatment
diothine
gassifying
degassifying
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
JP442077A
Other languages
Japanese (ja)
Inventor
Yasuyuki Nishimura
Yukio Takahashi
Takanori Kuwabara
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.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP442077A priority Critical patent/JPS5390650A/en
Publication of JPS5390650A publication Critical patent/JPS5390650A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To decrease the COD causing substances in the waste water containing the alkali-metallic salt of diothine through the process comprising subjecting said waste water to heat decomposition at a pressure while keeping said waste water in acidic range and removing gassifying sulfuric acid from thus-obtained waste water solution of decomposition product by degassifying said waste water.
COPYRIGHT: (C)1978,JPO&Japio
JP442077A 1977-01-20 1977-01-20 Waste water treatment Pending JPS5390650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP442077A JPS5390650A (en) 1977-01-20 1977-01-20 Waste water treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP442077A JPS5390650A (en) 1977-01-20 1977-01-20 Waste water treatment

Publications (1)

Publication Number Publication Date
JPS5390650A true JPS5390650A (en) 1978-08-09

Family

ID=11583774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP442077A Pending JPS5390650A (en) 1977-01-20 1977-01-20 Waste water treatment

Country Status (1)

Country Link
JP (1) JPS5390650A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01115490A (en) * 1987-10-29 1989-05-08 Mitsubishi Cable Ind Ltd Preheating method and apparatus in treatment of cyanogen-containing waste liquor
JP2002086159A (en) * 2000-09-13 2002-03-26 Ishikawajima Harima Heavy Ind Co Ltd Treatment method of selenium-containing waste liquid and device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01115490A (en) * 1987-10-29 1989-05-08 Mitsubishi Cable Ind Ltd Preheating method and apparatus in treatment of cyanogen-containing waste liquor
JP2002086159A (en) * 2000-09-13 2002-03-26 Ishikawajima Harima Heavy Ind Co Ltd Treatment method of selenium-containing waste liquid and device thereof

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