sgc kemira sludge enhanced dewatering

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SMART Enhanced Dewatering

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Page 1: SGC Kemira sludge enhanced dewatering

SMART Enhanced Dewatering

Page 2: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 2

Kemira Enhanced Dewatering Concept

Aims :- To optimize process- Increase cake value- Capture P into cake- Increase cake solids content- Reduce struvite fouling- Reduce overall costs

- Future option as fee for service :- (£/TDS /P removal)

Page 3: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016

Enhanced Dewatering + SMART are in the heart of M&I Innovation Focus ArenasInnovation driven focus arenas for growth – “Advanced Water Treatment”

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“Utilization of waste water for reuse”

“From volume reduction to value”

“From removal to recovery”

“From saving to energy positive”

“Efficiency through on-line monitoring and control”

Water availability

Sludge

Nutrient

Energy

Smart technology

Key areas related to Enhanced Dewatering highlighted

Page 4: SGC Kemira sludge enhanced dewatering

DRINKING WATER

WATER BODIES

WASTEWATER

SLUDGE

Enhanced dewatering & SMART application

Why ?

What ?

What benefits ?

How to start?

Page 5: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 5

Kemira support for Total Cost Reductionand meet regulation with combination of enhanced dewatering and SMART technology

Reduce sludge

disposal costs

Prevent struvite scaling

Reduce polymer

consumption

Improve centrate/filtra

te quality

Impact the highest cake solids (2-3 % minimum increase)

Phosphorous removal at dewatering stage(> + 30% removal)

Chemical performance optimization

Better [TSS ] & [Phosphate]

Page 6: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 6

Confirmed customer benefits with enhanced dewatering program

Removes P from centrate Struvite avoided (10-20 k£/y)

Pipe protection

and avoiding maintenance

costIncrease cake solids (~2 to 5 %)

Reduced costs associated with

polymer dosage &

sludge management C&M to secure

the system and get more savings on dewatering process

Ensure compliance

/ reduce risk of failure/ penalty

Page 7: SGC Kemira sludge enhanced dewatering

05/03/2023 7

Our Enhanced dewatering solution

Enhanced dewatering | Web meeting |Severn Trent Water| 2016

C&M

Engineering

Page 8: SGC Kemira sludge enhanced dewatering

05/03/2023

SMART will support the process optimization

Cationic demandoptimizerStorage & Feed

Metering Pumpin line mixer

#2 TDS% Meter#3 TSS% Meter

Influent 0-5% Solids

Highest Cake SolidsFiltrate/Centrate

#1 TS% Meter

PLC to process all data in a multi-variable algorithm to compute optimized process rates.

Polymer Storage & Feed system

Enhanced dewatering | Web meeting |Severn Trent Water| 2016 8

Torque Control

Dryness

Connecting the dots

Kemira chemistry combined with process redesign and digitisation

Page 9: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 9

On line measurements capabilitySMART OverviewLapilahti Finland reference

Page 10: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 10

On line measurements capabilityOn line measurement capability

Inlet:Polymer in-line

mixer

Inlet:Sludge TS%

Page 11: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 11

On line measurements capabilityOn line measurement capability

Outlet:Dry Cake DS%

Outlet:Reject water

Turbidity/ TSS

Page 12: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 12

The higher the cake DS%, the lower the OPEX.Kemira’s new system is designed to maximise and maintain consistently higher cake solids

Dynamic and real time

10.0

12.0

14.0

16.0

18.0

20.0

22.0

24.0

26.0

28.0

30.0

Dry cake DSC %

DS +6.0 %

DS +4.0%

DS +2.0%DSC%

For a WWTP processing

15K Wet Tons / Year =

>90K€ in cost savings!

This customer now hauls

away 3 trucks per week of biosolids versus 4.

Potential performance

Page 13: SGC Kemira sludge enhanced dewatering

Providing Innovation :

SMARTApplication

Page 14: SGC Kemira sludge enhanced dewatering

Real-time KPI based dewatering process optimization through Kemira KemConnect™

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 14

Signals from site PLC

Wireless modem

Process improvement

3G/4G network

Internet

KEMIRA KemConnect™Server database

Diagnostics & Control configuration

Mobile access

Alarms (SMS + @)

Kemira KemConnect™ Portal

Kemira MCAequipment

Kemira SMART

Application

Page 15: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016

Interface Kemira KemConnect™

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Page 16: SGC Kemira sludge enhanced dewatering

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KEMCONNECT

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 16

KemConnect™ allows additional on-line controlled processes plug and play Worry free

automatic stocking.Order tracking.

Usage tracking.On-line ordering.Alerts & Alarms.

Chemicals

Monitoring

Real-Time levels: TSS, TS, P, BOD, COD, NH4, H2S, torque, etc.

Tank Level Monitoring.Real-Time: Energy consumption.

Process simulationProcess optimizationTrouble shootingBenchmarking KPI dataHistorical data /

On line automatic ordering.Order tracking

Supply chain

Page 17: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 17

What SMART offers

1 Measuring and optimizing real-time Cake Dry Solids, all the time. Click icon to add picture

KPI consistently reported to Severn Trent Water via KemConnect™

2

3

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Feed forward or feed back control of chemicals dosing based on the “real-time” measurement of TS or TSS.

Supply chain optimization.

Page 18: SGC Kemira sludge enhanced dewatering

May 3, 2023CLASSIFICATION Presentation name, Author 18

Process improvements

• Kemira support for meeting compliance and driving costs down (>4%)• Supply of chemistry, engineering and application support for process optimisation• KPIs include cake DSC% ; polymer dosage; centrate quality; P levels.; overall costs• Remote Control and monitoring –performance benchmarking• P measurement (incoming and final effluent)• Kemconnect telemetry• Dosage optimisation• Stock management • Option for “turn-key” scheme• Option for fee per TDS processed; m3 water treated and P load removal• Capped chemical costs.

Sludge Dewatering and Phosphorous removal control & monitoring

Page 19: SGC Kemira sludge enhanced dewatering

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 19

Next possible steps

NDA

Site surveys

Pilot agreement

Data sharing

Full Scale Trial•Longer Term Contract option as fee for service

Page 20: SGC Kemira sludge enhanced dewatering

Thank you for your attention !We look forward to your feedback.

05/03/2023Enhanced dewatering | Web meeting |Severn Trent Water| 2016 20