JPS5251752A - Method of decreasing cod of wastewater - Google Patents

Method of decreasing cod of wastewater

Info

Publication number
JPS5251752A
JPS5251752A JP50125912A JP12591275A JPS5251752A JP S5251752 A JPS5251752 A JP S5251752A JP 50125912 A JP50125912 A JP 50125912A JP 12591275 A JP12591275 A JP 12591275A JP S5251752 A JPS5251752 A JP S5251752A
Authority
JP
Japan
Prior art keywords
wastewater
cod
decreasing
wet
decreasing cod
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
JP50125912A
Other languages
Japanese (ja)
Other versions
JPS5411613B2 (en
Inventor
Takashi Haruki
Kozo Iida
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 Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP50125912A priority Critical patent/JPS5251752A/en
Publication of JPS5251752A publication Critical patent/JPS5251752A/en
Publication of JPS5411613B2 publication Critical patent/JPS5411613B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Treating Waste Gases (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

PURPOSE: To provide a method of decreasing COD of wastewater by adding nitrite ions to wastewater containing COD components which are difficultly decreased as discharged from wet-system waste gas desulfurization apparatus, wet-systemwaste gas denitration apparatus and various chemical plants.
COPYRIGHT: (C)1977,JPO&Japio
JP50125912A 1975-10-21 1975-10-21 Method of decreasing cod of wastewater Granted JPS5251752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50125912A JPS5251752A (en) 1975-10-21 1975-10-21 Method of decreasing cod of wastewater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125912A JPS5251752A (en) 1975-10-21 1975-10-21 Method of decreasing cod of wastewater

Publications (2)

Publication Number Publication Date
JPS5251752A true JPS5251752A (en) 1977-04-25
JPS5411613B2 JPS5411613B2 (en) 1979-05-16

Family

ID=14921982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125912A Granted JPS5251752A (en) 1975-10-21 1975-10-21 Method of decreasing cod of wastewater

Country Status (1)

Country Link
JP (1) JPS5251752A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105593A (en) * 1974-01-21 1975-08-20
JPS5165078A (en) * 1974-12-04 1976-06-05 Kureha Chemical Ind Co Ltd CHITSUSOSANKABUTSUNO MUGAIKAHOHO
JPS5176854A (en) * 1974-12-26 1976-07-03 Taoka Chemical Co Ltd HAIEKINOYOSOSHOHIRYOTEIGENHOHO

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105593A (en) * 1974-01-21 1975-08-20
JPS5165078A (en) * 1974-12-04 1976-06-05 Kureha Chemical Ind Co Ltd CHITSUSOSANKABUTSUNO MUGAIKAHOHO
JPS5176854A (en) * 1974-12-26 1976-07-03 Taoka Chemical Co Ltd HAIEKINOYOSOSHOHIRYOTEIGENHOHO

Also Published As

Publication number Publication date
JPS5411613B2 (en) 1979-05-16

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