regional workshop –“sustainable water and...
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REGIONAL WORKSHOP – “SUSTAINABLE WATER AND SANITATION : BEST MANAGEMENT PRACTICES – “
POTENTIAL & CHALLENGES
Use of Advance Treatment Technology for
forYamuna Water
144 MLD WATER TREATMENT PLANT AT AGRA GUNDER JICA ASSISTED AGRA WATER SUPPLY SCHEME (ID-P185)
Presentation by :Sanjay Kumar GuleriaNJS ENGINEERS India Pvt Ltd. E 47 SAKET NEW DELHIE-47, SAKET, NEW DELHI <[email protected]>
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Overview :Overview :YamunaWater Characteristics
Major Issueswith Yamuna RawWater
Treated Water Requirement
Treatment Processes for 144 MLDWTP
Pilot Study ‐Pilot plant dataPilot Study ‐Pilot plant data
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Future Population of Agra Future Population of Agra (Census of India 2001)
Persons
2,500,000
3,000,000
Persons
2,033,000
1,500,000
2,000,000Agra 2,909,000
1,260,000
1,000,000
2001 2006 2011 2016 2021 2026 2031 2036
Year
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Water Demand (Agra)( g )
800,000
m3/day Raw water demand (No pipe rehabilitation)
600,000
700,000
Raw water demand (pipe rehabilitation)
Total Capacity (New plant +WWI+WWII) 510 MLD
400,000
500,000 Existing Plants (WWI+WWII) 366 MLD
200,000
300,000 Ganga Water340 MLD
0
100,000
,
02006 2011 2016 2021 2026 2031 2036
Year
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COMPARATIVE STATEMENT OF GANGA & YAMUNA RIVER WATER QUALITYYAMUNA RIVER WATER QUALITY
Sl. No.
Particular Permissible Limit as per CPCB & BIS
Ganga Water at Mathura
Yamuna River at Agra
CPCB & BIS1 pH 6.5 – 8.5 8.75 7.1-8.282 Chloride 600 16 2643 Total Hardness 122 3564 Total Dissolved Solids
(TDS)2,000 190 250-1420
5 Chlorine Demand - 1.00 23.506 DO >4.0 9.60 0-8.47 BOD <3.0 0.60 7-267 BOD <3.0 0.60 7 268 COD <10.0 5.10 27-839 TKN (Org N + NH3) - - 2.24-26.5
MPN I d / l <5 000 280 23 00010 MPN, Index/100 ml <5,000 280 23,000Note:- All parameters are in mg/l, except pH and MPN index (Data of Year 2005)
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Major Issues with Raw Yamuna WaterMajor Issues with Raw Yamuna Water
Deteriorated Quality of Yamuna waterQ yNH3‐N as high as 40 TIMES against limit < 1 mg/lit.BOD as high as 12 TIMES against limit < 3 mg/lit.PRE‐CHLORINATON DEMAND as high as 134 mg/litPRE CHLORINATON DEMAND as high as 134 mg/lit.which is too high
Excessive chlorination is used to oxidize Ammonia Excessive chlorination is used to oxidize Ammonia which is carcinogenic (cause of Cancer)
Conventional treatment process not suitable toConventional treatment process not suitable toreduce BOD, NH3 and Nitrate from Yamuna rawwater.
Need for a Biological Treatment Process
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40 Mi i
Typical Variation of BOD5 & Ammonia in Yamuna Raw Water
152025303540
OD5 mg/L
MinimumMaximum
05105
BO
Month
Data source -Agra Jal Sansthan, Sikandra Plant
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Ammonia to Chlorine Demand
140.00
160.00
100 00
120.00
g/L)
Actual Cl2 Demand
60 00
80.00
100.00
Dem
and (m
g
40.00
60.00
Chlor
ine D
0.00
20.00
0 5 10 15 20 25 30
Ammonia (mg/L)
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Treated Water CharacteristicsTreated Water CharacteristicsParameters Units Design Values
Fl t MLD 141Flow rate MLD 141
pH ‐ 7‐8.5
TN mg/L < 10
NH3 mg/L <2 for 95% timeBOD5 mg/L <2
Turbidity NTU ≤0.5Turbidity NTU ≤0.5
TSS mg/L <0.5
True Color Pt/Co Scale ≤ 5
T l C lif C / lTotal Coliform Counts/100ml 0.0
Total Virus Counts/100ml 0.0
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Technology Alternatives
Process Options
Conventional Activated Sludge
Other Criteria
Proven technologyConventional Activated Sludge Process
Moving Bed Bio‐Reactor
Proven technology
Reliability and sustainabilityMoving Bed Bio Reactor
(MBBR)
Membrane Bio‐Reactor (MBR)
sustainability
Plant footprint
Reverse Osmosis Process (RO)Capital cost
Operational cost
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144 MLD WATER TREATMENT PLANT AT AGRA
Major Processes and its Use
144 MLD WATER TREATMENT PLANT AT AGRA
Ad
Pre‐settlers To reduce TSS level in down stream processes
Fine Screens To safeguard the downstream processesAdvance Treatment Process
Fine Screens To safeguard the downstream processes
MBBR Biological Process To reduce Ammonia, Nitrate and BOD
M b Membrane Filtration process To eliminate TSS, bacteria and virus
Sludge Sludge Thickening & To recover water and to avoid waste S udge
Managementc e g &
dewatering Facility
o ecove wate a d to avo d wastesludge discharge into river
Operational C l
Plant Automation i SCADA
Automatic & precise operation of the lControl using SCADA plant
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Plant Layout for 144 MLD WTP
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MBBR Reactor ConfigurationMBBR Reactor Configuration
Feed EthanolEffluent
Nitrification– reduction of
Nitrification – reduction of
De-nitrification –reduction of Nitrate
Nitrification– reduction of
Ammonia + BOD Ammonia + BOD Ammonia + BOD
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Biomass Carriers
Material: HDPE (virgin or recycled)( g y )
Size: 10- 14 mm
Surface area: 500-1000 m²/m³ of carriers
Geometry: Highly open external surface
AquaWise BioMass Carrier
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Tertiary Membrane CompetitionTertiary Membrane Competition
Memcor CP (USFilter)
Pall MicrozaNORIT Memcor CS (USFilter)(USFilter)
K hD / O ll KochHydranautics HydraCAP Trisep Spirasep
Dow / Omexell
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Hollow Fiber Configurationsg
PressurizedImmersed
More difficult to remove solids from confined pressure vessels,
Open tank configuration, loosely packed fibers for easier p ,
tightly packed fibersUse higher pressures as membranes become fouled
y psolids removalLow pressure, vacuum‐driven operation
Expensive pressure vessel required for each unit
Simpler scale‐up for larger systems
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l f lRemoval of Bacterial Contaminants
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Membrane Contaminant Removal
Na Ion
Giardia Lamblia &
Cryptosporidiu
.0.00037 microns m
3 to 5 microns
WaterVirus
1 micronHemoglobin0.007 microns
0.0002 microns
Reverse Osmosis
Nano Ultra Micro
0.0001 0.001 0.01 0.1 1.0 10 100
Pore Diameter Pore Diameter -- micronsmicrons
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Process Flow Diagram for Pilot Plant 100 m3/day)Process Flow Diagram for Pilot Plant 100 m3/day)
METHANOL+ETHANOL
Process Flow Diagram for Pilot Plant 100 m3/day)Process Flow Diagram for Pilot Plant 100 m3/day)
FINE SCREEN
PRE SETTLER (TUBE
METHANOL+ETHANOL DOSING SYSTEM
RAW YAMUNA WATER AEROBIC
REACTOR 1ANOXIC
REACTOR -3SCREEN (TUBE SETTLER)
REACTOR -1
AEROBIC REACTOR -2
REACTOR 3
AEROBIC REACTOR -4
Cl2 dosing
MEMBRANE FILTRATION
CHLORINE CONTACT TANK
TREATED WATER
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Pilot Plant of 100 m3/day capacity
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Pilot Plant Data for BOD reduction
Pilot Plant Test Results for BOD Reduction
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Pilot Plant Data for NH4‐N reduction
Pilot Plant Test Results for BOD Reduction
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Pilot Plant Data for TN reduction
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There is solution to treatThere is solution to treat Polluted River Water
for
Drinking Purposes !!!!!
Thank You!
g p
Thank You!
Sanjay Kr Guleriaj y<[email protected]>