MY172979A - Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method - Google Patents

Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

Info

Publication number
MY172979A
MY172979A MYPI2014702502A MYPI2014702502A MY172979A MY 172979 A MY172979 A MY 172979A MY PI2014702502 A MYPI2014702502 A MY PI2014702502A MY PI2014702502 A MYPI2014702502 A MY PI2014702502A MY 172979 A MY172979 A MY 172979A
Authority
MY
Malaysia
Prior art keywords
waste water
activated sludge
sludge
supplied
tank
Prior art date
Application number
MYPI2014702502A
Inventor
Kiyoharu Fujino
Original Assignee
Japan Alsi 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 Japan Alsi Co Ltd filed Critical Japan Alsi Co Ltd
Priority to MYPI2014702502A priority Critical patent/MY172979A/en
Priority claimed from PCT/JP2012/055812 external-priority patent/WO2013132612A1/en
Publication of MY172979A publication Critical patent/MY172979A/en

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  • Activated Sludge Processes (AREA)
  • Physical Water Treatments (AREA)

Abstract

The object is to provide an activated sludge treatment method whereby production of excess sludge is brought substantially to zero; and a method for upgrading existing waste water treatment equipment, employing this method. The method includes a step ( 1) in which sludge (2) produced in a sedimentation tank is supplied to a waste water aeration-conditioning tank for activated sludge treatment; a step (2) .In which waste water into which the sludge ( 2) has been mixed is subjected to aeration-conditioning to bring the oxidation-reduction potential to a positive value, and supplied to a pressurized flotation concentration separation tank; a step (3) in which the sludge (l) produced through treatment in the pressurized flotation concentration-separation tank is supplied to the bioreactor (1); a step (4) in which the treated waste water ( 1) separated from the pressurized flotation concentration-separation tank is supplied to a dilute activated sludge aeration tank; a step (5) in which released water and the sludge ( 3) produced by treatment in the bioreactor are supplied to the dilute activated sludge aeration tank; and a step ( 6) in which the treated waste water (2) separated from the dilute activated sludge aeration tank is supplied to the sedimentation tank. Figure 1
MYPI2014702502A 2012-03-07 2012-03-07 Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method MY172979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI2014702502A MY172979A (en) 2012-03-07 2012-03-07 Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2012/055812 WO2013132612A1 (en) 2012-03-07 2012-03-07 Active sludge treatment method, and method for improving existing wastewater treatment facilities using said method
MYPI2014702502A MY172979A (en) 2012-03-07 2012-03-07 Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

Publications (1)

Publication Number Publication Date
MY172979A true MY172979A (en) 2019-12-17

Family

ID=79553973

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2014702502A MY172979A (en) 2012-03-07 2012-03-07 Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

Country Status (1)

Country Link
MY (1) MY172979A (en)

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