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1.Outline of MBR
2. Reference plants
(1) Confectionery production wastewater
(2) Fat rich wastewater
3. Comparison of hollow fiber membrane and KUBOTA SMU(1) Resistant to variations
(2) Structure of membrane unit
(3) Chemical cleaning
4. References of Kubota-SMU
5. Conclusion
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Nitrification Tank
(Membrane Tank)
Equalization Tank
Grit Tank
Coarse Screen
Feeding Pump
Fine Screen Blower
Sludge
Storage Tank
Discharge Tank
KUBOTA Submerged
Membrane Unit
Pre-aeration Tank
1. Membrane Bio-Reactor (MBR)
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ManifoldTube
Diffuser
Having permeated by the MembraneCartridges, treated water is collected
through Tubes and Manifold.
Diffuser Case
Membrane case
To prevent the membrane cartridges from the
fouling, the up-flow of sludge and air scours
the membrane surface effectively.
Membrane Cartridge
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1. Membrane Bio-Reactor (MBR)
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Kubota-SMU system has many advantages as follows:
1. Membrane Bio-Reactor (MBR)
You can use recycled water for cooling tower, toiletflushing, irrigation, etc. You can meet expected future regulations for nutrientremoval. You can promote your Program Penilaian Peringkat
Kinerja PROPER)
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Name: Treatment Plant in Hakushu Factory of ChateraiseCapacity: 1,000m3/d
Influent: Food Factory Wastewater (Ice-cream, cake, jelly, etc.)
Commissioned: 2006
Type of SMU: EK30012 units
Treatment plant Monitoring Pond Installation
2. Reference Plants
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[ Before ]Hollow fiber membrane was adopted Breakageoccurreddue to
insufficient strength
Replacement was required every few
months
[ fter ]Since replaced by KUBOTA SMU
NO breakage of membranehappened
NO replacementso far (7 yearssince 2006)*: not include the replacement for membrane filtrationperformance & strength evaluation.
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2. Reference Plants
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Better resistance to variation of sludgecaused by influent flow rate & quality
Items KUBOTA SMUHollow fiber membrane
of company M
Superiority of
KUBOTA SMU
MLSS
(mg/L)5,000 ~ 20,000 5,000 ~ 12,000
Larger available range of
MLSS, easier operation control.
Viscosity
(mPasec)< 100 < 30
Larger available range ofViscosity, easier operation
control.
Screen spec.
(mm)1 0.5
Lower equipment cost.
Less waste mass from screen.
3. Comparison of hollow fiber membrane and KUBOTA SMU
Variation of excess sludge quantity caused by the fluctuate of influent quality & flow-ratemakes operation control difficult.
With large available range of KUBOTA SMU, operation control will be much easier without
worrying for the increasing of concentration & viscosity of sludge caused by insufficient
extraction.
Less waste mass from screen
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Items KUBOTA SMU Hollow-fiber membrane of company M
Cleaning in place 2 times/year1Every week (Maintenance cleaning)
4 times/year (Recovery cleaning)
Cleaning outside When the cleaning above can not recover TMP
Characteristic
differences
Cleaning in place, nomovement is required.
Membrane unit shall be lift out of MBR tank,and put into chemical cleaning tank.
Required cleaning
time per year24 hours 40~58 hours
1: Depends on operating conditions. 2:Only chemical solution retention time, not include time forpreparation and clean up.
The maintenance of KUBOTA SMU is easy.LESS time & frequency of chemical cleaningNO need to lift membrane units out of tank
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Membrane unit
MBR tank Chemical cleaning tank
Lifting equipment
MBR tank
Treated
water
3. Comparison of hollow fiber membrane and KUBOTA SMU
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4.References of Kubota-SMU
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
Since the first installation 1991, Kubota suppliedSubmerged Membrane for more than 4,400 Plants allover the world.
13
Cumu
lativeInstalledPla
nts
Year
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Name: Green Bay (Indonesia)
Capacity: 1,100 m3/dInfluent: Restaurant and domestic wastewater
Commissioned: 2013
Reuse, for bath & laundry by MBR+RO
Name: Living World (Indonesia)Capacity: 600m3/d
Influent: Restaurant and domestic wastewater
Commissioned: 2011
Reuse, for cooling tower in the building
Name : Palm Jumeirah STP
Capacity: 18,000m3/d
Influent: Municipal sewage
Commissioned: 2007
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4. References of Kubota-SMU
http://www.kaskus.co.id/post/000000000000000750428482 -
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No. Capacitym3/d) Application Installedyear1 85 Laundry 2010
2 600 Shopping Mall 2010
3 600 Shopping Mall 2010
4 700 Hotel 2011
5 132 Hotel 2011
6 2200 Shopping Mall 2011
7 1000 Shopping Mall 2011
8 1100 Apartment & Mall (Complex) 20119 1100 Hotel 2012
10 50 Tobacco Factory 2012
11 200 Apartment 2013
12 750 Apartment & Mall (Complex) 2013
13 190 Hotel 2013
Over 13 customers in Indonesia are using Kubota-SMU for water-reuse and reducing water tariff.
4.References of Kubota-SMU
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Region Japan EuropeAfrica MiddleEast NorthAmerica AsiaOceania ChinaNo. 412 41 1 19 10 5
1) Over 480 manufacturers of Food Beverage useKubota-SMU in the World.
2) Some manufacturers making the same kind ofproducts have already been using Kubota-SMU.Country America America BrazilProducts Candy Chocolate SnackBeverage
Waste WaterCapacity(m3/d)
800 360 2,280
Installed Year 2012 2009 2009
4.References of Kubota-SMU
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Kubota-SMU has many advantages compared withHollow Fiber, as follows:
5. Conclusion
You can operate stably against fluctuation of inlet qualityand quantity. You can apply Kubota-SMU to highly concentratedwastewater. You can clean membranes by chemical easily and quickly
on sight. You can trust Kubota-SMU to treat wastewater with over4,400 references.
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Thank you for your attention