JPS5544357A - Biological denitrifying apparatus for waste water - Google Patents

Biological denitrifying apparatus for waste water

Info

Publication number
JPS5544357A
JPS5544357A JP11818178A JP11818178A JPS5544357A JP S5544357 A JPS5544357 A JP S5544357A JP 11818178 A JP11818178 A JP 11818178A JP 11818178 A JP11818178 A JP 11818178A JP S5544357 A JPS5544357 A JP S5544357A
Authority
JP
Japan
Prior art keywords
tank
denitrification
nitrification tank
pass
nitrification
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
JP11818178A
Other languages
Japanese (ja)
Other versions
JPS6152759B2 (en
Inventor
Katsuyuki Kataoka
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.)
Ebara Corp
Original Assignee
Ebara Infilco 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 Ebara Infilco Co Ltd filed Critical Ebara Infilco Co Ltd
Priority to JP11818178A priority Critical patent/JPS5544357A/en
Publication of JPS5544357A publication Critical patent/JPS5544357A/en
Publication of JPS6152759B2 publication Critical patent/JPS6152759B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

PURPOSE: To make the recycling pump unnecessary, and to improve the rate of denitrification, by installing the recycling pass for forcibly transporting the content liquid of the denitrification tank to the nitrification tank using the airlift device, and the return pass from the nitrification tank to the denitrification tank.
CONSTITUTION: The denitrification tank 1 provided with the raw water inlet 6 and the nitrification tank 2 provided with the treated water outlet 7 are connected by the communicating pass 3. The airlift device 13 is arranged inside or outside the denitrification tank 1 or the nitrification tank 2, on purpose to forcibly transport the content liquid of the denitrification tank 1 into the nitrification tank 2. Besides, the content liquid of the nitrification tank 2 is recycled through the recycling pass 5 by means of natural or forced falling method. According to this mechanism, the operational management is made easy, the energy saving can be contrived, and also, the treated water of good quality can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP11818178A 1978-09-26 1978-09-26 Biological denitrifying apparatus for waste water Granted JPS5544357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11818178A JPS5544357A (en) 1978-09-26 1978-09-26 Biological denitrifying apparatus for waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11818178A JPS5544357A (en) 1978-09-26 1978-09-26 Biological denitrifying apparatus for waste water

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP13309985A Division JPS6150699A (en) 1985-06-20 1985-06-20 Biological denitrification apparatus of waste water

Publications (2)

Publication Number Publication Date
JPS5544357A true JPS5544357A (en) 1980-03-28
JPS6152759B2 JPS6152759B2 (en) 1986-11-14

Family

ID=14730136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11818178A Granted JPS5544357A (en) 1978-09-26 1978-09-26 Biological denitrifying apparatus for waste water

Country Status (1)

Country Link
JP (1) JPS5544357A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139793A (en) * 1982-02-12 1983-08-19 Hitachi Plant Eng & Constr Co Ltd Biological denitrification equipment for organic wastewater
JPH04176397A (en) * 1990-11-09 1992-06-24 Kubota Corp biological nitrogen removal equipment
JPH04190897A (en) * 1990-11-22 1992-07-09 Ebara Infilco Co Ltd Device for biological treatment of waste liquid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139793A (en) * 1982-02-12 1983-08-19 Hitachi Plant Eng & Constr Co Ltd Biological denitrification equipment for organic wastewater
JPH04176397A (en) * 1990-11-09 1992-06-24 Kubota Corp biological nitrogen removal equipment
JPH04190897A (en) * 1990-11-22 1992-07-09 Ebara Infilco Co Ltd Device for biological treatment of waste liquid

Also Published As

Publication number Publication date
JPS6152759B2 (en) 1986-11-14

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