635mld wtp delhi ppt

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• BIOLOGY• SEPARATION

• MEMBRANE• DISINFECTION

• BIOSOLIDS

• REUSE

Degremont

Water Treatment Technologies &A Case study of 635MLD WTP at Sonia Vihar- Delhi

presented by

Mukesh GROVERChief Technology Officer



• HEADWORKS

• BIOLOGY

• SEPARATION

• MEMBRANE

• DISINFECTION

• BIOSOLIDS

• REUSE

Slide: 2

Degremontthe Group

a worldwide Group within

Suez Environnement, France,responsible for Water Treatment,Design-Build Projects and O&M Services



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• BIOLOGY

• SEPARATION

• MEMBRANE

• DISINFECTION

• BIOSOLIDS

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Slide: 3

DegremontThe Group

COMMITTEDTOGETHER

TO WATER,

A SOURCE OFLIFE

of experience70 YEARS

technologiespatentedto date

OVER 500

human resourcebase

4,400

turnover in 2009

€ 1,053 m

spent onR&D in 2009

€ 13.4 m



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• BIOLOGY

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Slide: 4

DegremontThe Expert ise and Exper ience

plants builtworldwide

Inhabitant equivalentserved by wastewatertreatment facilities

operated by Degrémont

25.6million

people served bydrinking water facilities

operated by Degrémont

25 million

1 Billionpeople servedby facilities built byDegrémont

10,000

COMMITTEDTOGETHER

TO WATER,

A SOURCE OFLIFE



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• BIOLOGY

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• MEMBRANE

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Slide: 5

DegremontFour key areas of expert ise

Water treatment for drinking and industrial use

Sewage/Waste water treatment & recycle

Sludge treatment

Desalination (through Reverse Osmosis)



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Slide: 6

DegremontStrong & c ommit ted presence in India

DESIGN AND BUILD PROJECTS Commissioned Asia’s largest drinking water filtration plant (1,910 MLD)

at Bhandup-Mumbai, in the year 1981.

Indian subsidiary, since 1986 .

Over 300 staff. Over 150 Water / Waste water treatment installations in India.

OPERATION AND MAINTENANCE - Long term commitment

16 installations under O & M Service Contract.

2.5 billion litre per day – the combined capacity of all treatment

plants under O & M.

1.2 % of population equivalent served in India.



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• BIOLOGY

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Slide: 7

Degremont – WTP Major InstallationsStrong & c ommit ted presence in India

• DELHI -SONIA VIHAR - -635 MLD TURBOCIRCULATOR + PULSATOR

+ AQUAZUR V + SLUDGE RECYCLE

• CHENNAI - CHEMBRABKMM- 530 MLD PULSATOR + AQUAZUR V

• JAIPUR - BISALPUR - 400MLD PULSATOR + AQUAZUR V

• BANGALORE- TK HALLI - 400 MLD PULSATOR + AQUAZUR V

• KOLKATA - PALTA - 270 MLD (3 x 90 MLD) PULSATOR + AQUAZUR V

• NAGPUR -GOREWADA - 120 MLD PULSATOR + AQUAZUR V

• TRIVANDRUM - 74 MLD PULSATOR + AQUAZUR V

• DELHI - WAZIRABAD - 50 MLD PULSATUBE + Rapid Gravity filters

• DELHI – OKHLA - 28 MLD NITRIFICATION + OZONATION

UNDER CONSTRUCTION• BOMBAY(BHANDUP) - 990MLD PULSTUBE + AQUAZUR V + SLUDGE RECYCLE

• BANGALORE- TK HALLI - 550 MLD AQUADAF + AQUAZUR V + SLUDGE RECYCLE

• KERALA – KOZIKHODE - 174 MLD PULSATOR + AQUAZUR V



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Slide: 8

Degremont Water Clarification Technologies

Turbocirculator - Solids contact

Densadeg - High rate solids contact with lamella tube

Pulsator - Pulsating sludge blanket

Pulsatube - Pulsating sludge blanket with lamella tubes

AquaDAF - Very high rate dissolved air flotation

Degremontover 70 years of providing treatment solutions

Water Filteration Technologies

Aquazur-V -Rapid Gravity Sand filters

Mediazur -Dual Media filters

Carbazur -Activated Carbon filters.



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Slide: 9

ClarificationTechnology

Typical ClarificationRates (m/hr)

Typical Application Major IndianInstallations

Turbocirculator 2.0 to 3.5

(upto 5.0 for softening)

Clarification, Pre-

settling, Softening

Delhi, Orissa

Densadeg 10.0 to 20.0

(upto 30 for softening)(upto 100 for storm

water)

Clarification,

Softening, Stormwater clarification,

Filter Washwater

clarification

Delhi, Bangalore

Pulsator

Pulsatube

2.5 to 4.0

4.0 to 8.0

Clarification Delhi, Chennai,

Bangalore,

Mumbai,Kolkatta

AquaDAF 25.0 to 40.0 Clarification

(<50 NTU)

Bangalore

Degremont Clarification TechnologiesTypical Clarification Rates and Application



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Slide: 10

Turbocirculator Clarifier High rate solids contact type reactor clarifier

Features:

• Simple & robust process

• Very efficient

• Multiple application

Typic al app l icat ion s: • DW : Clarification, Lime Softening, Pre-settler

• WW : Primary & Tertiary Clarification

• IWW/PW : Carbonate removal, Metal Precipitation,Colour removal



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• BIOLOGY

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• MEMBRANE

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Slide: 11

Densadeg Clarifier Very high rate solids contact type Lamella clarifier

Features:

• Compact, Versatile & robust

• Very efficient, High QualityWater

• Multiple application

Typic al app l icat ion s: • DW : Clarification, Lime Softening

• WW : Primary & TertiaryClarification

• IWW / PW : Carbonate removal,Metal Precipitation, Colour removal



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• BIOLOGY

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Slide: 12

Pulsator Clarifier Pulsating sludge blanket type clarifier

Features:

• Modular & robust process

• Rectangular Flat Bottom RCC Tank

• No underwater moving parts

• Even water distribution over entire bottom

• Even sludge withdrawal across the tank

Typ ical appl icat ions : • Raw Water Clarification (River, Dam, Reservoir)

• Clarification of Water with Algae

O S



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Slide: 13

AquaDAF Water Clarifier Dissolved Air Flotation process

Features:

• Robust process• Very small footprint

• Modular

• Polymer not necessary

• Operating Principle•Upward floatation with Recycle

stream & micro bubble bed

production.

Typic al app l icat ion s:

• Clarification of low turbidity waters

• Water with low density solids (i.e. Algae, etc.)

• Water with high TOC

• Cold waters; Thermal variation

• pretreatment before Membrane filtration

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Slide: 14

AquaDAF Water ClarifierInternal System (HF Model)

Sludge Channel

FlotationZone

Mobile WeirHydraulic Flocculation

Air-WaterDispersion Zone

Coagulated Water Inlet(after Flash Mixer)

Flash Mixer

Accumulated

Sludge Layer

False Floor

TransitionZone

ClarifiedWater

Channel

CompressedAir

Raw water

Clarified

Water

Sludge

Recycled clarified water

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Slide: 15

AquaDAF Water Clarifier Advantages

•Flexible & Robust :• treats water with temperature >3°C

• best solution for low turbidity / high algae

raw water

• adapts to occasional peaks of TSS or

Turbidity upto 200 NTU.

• Cost effective :• Reduction in the time required for the

response to 5 min

• Decrease the size of footprint while

retaining its performance.

• Easy to operate :

• Easy to operate and maintain (very few

mechanicals, no lamella modules, no

clogging)

• No need to add material to weigh down the

flocs.

• Instantaneous Start and Stop.

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Slide: 16

AquaDAF ClarifierTK Halli 600MLD WTP, Bangalore - Project Fact Sheet (under

construction)

•

AquaDAF HF3028 m3/m2.hr design clarification rate

Flocculation – Hydraulic

Hydraulic Desludging – by Mobile Weir on clarified water side

Footprint = 4,000 m2 <<< 1/4 th of area reqd. by L amella Clarif ier >>>

Design Performance AquaDAF Clarifier Overall Plant

Plant treatment capacity 600 MLD 600 MLD

Raw water quality (turbidity) 20 NTU (90%iles), 100 max. -

Water loss - < 2%

Treated water quality

(turbidity)

< 5 NTU (typically< 2 NTU) < 0.5 NTU

Longer Filter runs - 72 hrs (3 days)

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Slide: 17

Aquzur-V Filter – Cross Section

Unique Cross-Wash

during Backwash

Uniform Media Size – In-depth

filtration, Longer Filter Runs

Advanced

Nozzle Floor

•High filtration rates (7 - 15 m/h)• Deep & homogenous filter bed• Uniform feed through V-Channels• In-depth Clogging• Positive Pressure Over Entire Sand Depth• No bed expansion during washing• Surface sweep during washing



• HEADWORKS

• BIOLOGY• SEPARATION

• MEMBRANE• DISINFECTION

• BIOSOLIDS

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Deliver ing the Essentials of L ife

635 MLD Water Treatment Plant

at Sonia Vihar-Delhi

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Slide: 19

635 MLD WTP AT SONIA VIHAR

Contract Particulars● Client : Delhi Jal Board

● Contract : Design, Build and 10 years of O&M

● Contractor : Consortium of Degrémont France & Degrémont Ltd.

● Contract commencement date : December 2000

● Construction Completed in : December 2004

● Conditions of Contract : EPC/Turnkey Projects, FIDIC First Edition 1999

● Contract Value : Rs 189 Crores.

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HEADWORKS

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Slide: 20


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Slide: 21

PROCESS FLOW CHART

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Slide: 22

WTP, SONIA VIHAR – UNIQUE FEATURES

● One of the largest single stage water Treatment Plant projects in India

● Caters to a Population of 3.5 Million in Delhi

● Fully Automated - SCADA Controlled

● Total area - 35 Acres (140,000 Sqm)

●Other important units:• 3 Major Pump Houses

• 90 Million Litres of storage in 8 Reservoirs

● Total Connected load = 15 MW, Operating Load 6.6 MW

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Slide: 23

Design Conditions and Constraints

● Differing sources of raw water: River Ganges & River Yamuna● Pronounced fluctuations in Water Quality( Range- 25 – 8,000 NTU)

● Water losses restricted to < 1.5%

● Treated water quality < 1 NTU ( < 0.4 NTU - 90%ile)

Solution Adopted● Water Line: 3 stage Treatment

• Presettler

• Pulsator-Pulsating Sludge Blanket Clarifier

• Aquazur – V : High Rate Gravity Filters

● Waste Line: Dewatering of Sludge and Backwash water recovery


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Slide: 24

PROJECT MAGNITUDE : AN OVERVIEW

● Civil works comprise One Lac cum of Concrete, 25,000 Piles

and 6 Lac cum of earthwork.

● 20 Km 0f Pipe work which includes 1.7 m dia 2 Kms of MS Pipe

on high rise RCC trestles, 2.0 m dia RCC Pipes & 16 Kms of

internal yard piping laid and tested.

● 25 large capacity pumps installed in 3 major pump houses withcombined capacity of 1,40,000 Cum/Hr.

● 3 Substations with total installed capacity of 16 MW.

● Over 100 km of cables have been laid.

● 10 control stations installed shall provide operational flexibility

to access and control any part of the plant.

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Slide: 25


In operation since October 2006

• Consistently producing high quality water.

• ISO 14001 & OSHAS 18001 Certified — 1st Plant in this sector.

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Slide: 26


Operation and Maintenance

● Contract Value: Rs 7.70 Crore / annum + Escalation

● Incentives for extra production & power saving

● Heavy penalties for water losses and extra consumption of power

● Payment made on monthly basis as per following Formula

● Monthly Fee= Fixed Charges+ 0.2388*Quantum of water in Cum, produced

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Slide: 27

O&M and Power Costs – per m3

Plant MLD Technology O&M Cost

Power Cost -

Lacs

TotalCost

/m3

Pumping

Stations

Annual-

Lacs Rs / m3 Units/Day

per

Day Rs/m3

Sonia Vihar 635

Pulsator+Aqu

azur 876 0.38 147,320 6.63 1.04 1.43

Raw &

Treated Water

Chembarrak

kam 530

Pulsator+Aqu

azur 744 0.39 96,990 4.36 0.82 1.21

Raw &

Treated Water

TK Halli 400

Pulsator+Aqu

azur 312 0.22 8,800 0.40 0.10 0.32 No pumping

Nagpur 120

Pulsator+Aqu

azur 168 0.39 27,700 1.25 1.04 1.43

Treated

Water

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Slide: 28

NEED OF THE HOUR…

Compact Foot-Print

Reliable Technologies

Proven in Indian conditions

Least Energy consumptionLow water losses

Delivering consistent Quality

Water

Committed together to water, a source of

life

635mld wtp delhi ppt

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