mequipco and ge water presentation for westside solutions

Westside Solutions Wastewater Technologies Discussion Rob Hacking April 29th 2015

Today’s agenda

• GE Intro & Regional Presence

• Concepts & Ideas of Importance

• GE Technologies

• Summary

3 Water & Process Technologies

GE Water & Process Technologies Aligning the best people with the most advanced technology, products and services to solve any water or process challenge our customers may have

•  Headquartered in Trevose, PA, USA •  8,000 employees globally •  50,000 customers in 130 countries •  45 global manufacturing sites

Quick Facts

Helping municipalities optimize limited resources for growing populations. While meeting increasing regulatory and policy challenges

Municipal Wastewater

• Membrane bioreactor systems - Zenon • Primary treatment systems - Salsnes • Anaerobic digestion systems - Monsal

Our solutions include:

Our Experience

Total number of treatment plants worldwide > 1,550

Total number of treatment plants in North America > 870

Total number of municipal wastewater treatment plants in North America

Our Regional Presence

Number of treatment plants in BC >35

Number of wastewater treatment plants in BC >20

Number of municipal wastewater treatment plants on Vancouver Island

Points of significance: • City of Nanaimo – drinking water 116MLD • Thetis Trailer Park – oldest MBR in North America (20yrs) • Many of the facilities on the island are over 7years old

From Small to Very Large

Hendriksdahl WWTP – 600MLD MBR plant inside a mountain.

Concepts & Ideas of Importance

What Do You Want From Your WwTP?

Here’s the things I would look for: q Effluent quality q Community presence q O&M costs & sustainability q Robust & proven q Expandable to match growth

Effluent Quality: Technologies which….

• Ensure a high quality treatment consistently • Enables ability to reuse effluent • Provides future protection against regulatory

change

Community Presence: Technologies which…..

• Minimize footprint required • Maximize ability to hide

O&M Costs: Technologies which…

• Minimize labour requirements • Enable resource recovery to:

– offset energy – make use of bio-solids and waste streams

Expandable: Technologies which…

• Provide cost effective treatment for Day 1 • Easily expandable for year 20 • Expandable in increments to match growth

Our Technologies

Technologies which achieve the goals

• Primary Treatment: LEAP Primary • Secondary Treatment: LEAP Membrane Bioreactor • Solids Treatment: Advanced Anaerobic Digestion

Primary Treatment

LEAP Primary – Why Do We Want Primary Treatment?

Energy Savings •  Primary treatment removes TSS & BOD from raw wastewater •  Reduced organic load results in energy savings of 25% for

biological treatment

Resource Recovery • Primary treatment captures solids with high energy value

• Retained solids enable energy recovery with anaerobic digestion, incineration or other solids treatment

Primary Treatment

No Primary Treatment

Energy Use for Biological Treatment

Primary Clarification

Fine Screening

LEAPprimary

Bioreactor

Typical Primary Treatment

Primary Treatment with LEAPprimary

LEAPprimary replaces the function of primary clarification and fine screening in a typical primary treatment system

LEAP Primary

Coarse Screening

Bioreactor Coarse Screening

LEAP Primary •  Influent TSS forms a filter mat on the mesh belt •  TSS and BOD is retained by the filter mat •  Solids are removed from the belt

Thickening

Outlet

LEAP Primary - Installation Example

Typical head works building incorporating LEAPprimary treatment

Coarse Screening & Grit removal

LEAPprimary

Solids collection

Capital Savings Reduce primary treatment capital costs for your facility

Energy Savings Reduce energy for biological treatment by 25% and enable energy recovery

Smaller Footprint Achieve advanced primary treatment in as little as 1/10th the footprint of conventional

Simplified Design Combine primary solids separation, sludge thickening & dewatering in one compact step

Guaranteed Reliability Extend downstream equipment life with enhanced influent solids screening

LEAP Primary - Benefits Summary

Secondary (Tertiary) Treatment

LEAP MBR: Why Do We Want MBR?

Footprint •  Plant footprint 1/3 conventional activated

sludge process Quality & Reliability

•  Process that consistently produces high quality effluent

Aesthetics

•  Smaller tanks are easy to hide & cover

Construction Costs

•  MBR requires less concrete and less volume/weight to support

•  Modular design allows for easier expansion

Brescia, Italy - 1998

What Forms A Membrane Bioreactor?

Biological Reactor

Membrane Basin

Ancillary Equipment

Membrane Basin

What Is a Membrane?

Modular In Nature

MBR Effluent Quality GE MBR effluent is used in

conjunction

with all major water reuse standards:

•  WHO standards for unlimited irrigation

•  International Maritime Organization bacteriological limits

•  EU bathing Water Directive

•  California Title 22 Code of Regulations

MBR: Used commonly for reuse water but also in areas which are sensitive receiving streams. Effluent quality could be as low as: • BOD <5, TSS <5, NH3-N <0.5, • Total Nitrogen <5, Total Phosphorus <0.15 • Turbidity <0.1NTU • High UVT 70% • Many plants no longer using UV systems for disinfection

Expandable…

• Simply add cassettes for minor flow expansions • Simply add trains for major flow expansion

Community Presence…..

• Ability to hide…a beautiful house….

• Look a little closer, this is a wastewater treatment plant…..5MLD WWTP

• A beautiful farm…20MLD WWTP

Solids Treatment

Advanced Digestion: Why Do We Want Advanced Digestion?

•  Treatment of waste streams generated in the process •  Treatment of solids so they can be disposed of safely •  Resource recovery – generation of biogas for energy

recovery

Advanced Anaerobic Digestion The Anaerobic Digestion process converts organics to methane gas and valuable by-products

Rest of the World $ 1,405 million

Gas/Fuel

Fertilizer

Electricity

Biosolids waste

Anaerobic Digestion

The most proven process for providing resource recovery from the by-products of wastewater treatment

Primary waste

Organic waste

Schematic of our Advanced Anaerobic Digestion process

RV1 RV2 RV3 Digester

RV4 RV5 RV6

Advanced Digestion vs Conventional…..

Rest of the World $ 1,405 million

Parameter Conventional AD Advanced AD Digester Retention time

+ 30 days 12-20 days (-30-50%)

Digester Feed Solids %

3-5% 6-12% (2-3x)

Organic loading

< 2.0 Kg VS/m3.d > 4.0 Kg VS/m3.d (+2x)

Gas yield < 300 m3/tonne DS ~ 400 m3/tonne DS (+25-30%)

Smaller Reactors

Ability to incorporate other wastes

High quality biogas with a high yield

End product suitable for land disposal

Technology Summary

The End Result: A WWTP which…

Anaerobic Digestion LEAP Primary LEAP MBR

•  Produces high quality effluent with future protection and water reuse capabilities.

•  Treats its own waste streams and other waste streams as well

•  Is compact and can fit into the community •  Can be energy neutral or even energy positive

Case Studies

Dockside Green: Local Water Reuse & Aesthetics Challenge: Onsite wastewater treatment required for a development community with the ability to reuse water. Solution: GE’s MBR technology to treat wastewater for reuse and safe disposal and the ability to hide the facility. Flow: 189m3/d Commissioned: 2007

Water & Process Technologies

Harrison Hotsprings: Local WWTP Upgrade

Easy to retrofit

existing facilities

Flows:

Performance:

Phases Membranes Bioreactors

1 – 1375m3/d 2 trains 1 train @ 1600mg/l

2 – 3000m3/d 3 trains 2 trains @ 3150mg/l

Parameter Permit Requirements

Effluent Quality

BOD <10 mg/l <5 mg/l

TSS <10 mg/l <3 mg/l

Ammonia <1 mg/l 0.01 mg/l

Phosphorus <0.5 mg/l <0.3 mg/l

Faecal Coliforms <200/100ml <2/100ml

Brightwater, WA: Achieving Capacity, Discharge Quality and Water Reuse Challenge: Expanding population required increased wastewater treatment Solution: GE’s MBR technology to treat wastewater for reuse and safe disposal

•  Water produced for irrigation , heating & cooling and industrial processing

•  Average daily flow of 31 MGD (117,348 m3/day) •  Reduces TSS and BOD discharge to Puget Sound by

1,000,000 lbs (454,000 kg) each year •  Positioned to cost-effectively address future regulations

Brightwater Plant – Seattle, WA

Avonmouth: Advanced Digestion Creating energy positive wastewater treatment plants

Primary Sludge ~60 tonnes / day

(21,900 tds / year)

WAS from Sequential Batch Reactors ~40 tonnes / day

(14,600 tds / year)

Original Primary Digesters

6 X 2,700m3 (4.3 Mgal)

New Primary Digesters

4 x 2,200m3 (2.3 Mgal)

Monsal 42 Acid Phase Pre

Digestion Installed 2007

Monsal Re:Sep & HPD

40,000 tonnes/year Installed 2012

10,000

20,000

30,000

40,000

50,000

60,000

10,000

20,000

30,000

40,000

50,000

60,000

2007 2008 2009 2010 2011 2012 2013

Sewage Food Gas

23,360 tds 16,400m3

1.9 MWe

Avonmouth: Energy Positive

28,800 tds 16,400m3

2.9 MWe

36,500 tds 25,200m3

4.0 MWe

36,500 tds 20,800m3

4.0 MWe

45,000 tds 25,200m3

5.75 MWe

2007 Pre 2007 2009 2012 2012

Added AD & 2 Digesters Removed

From Service

More Sludge & New Digesters

Digesters Removed

From Service

Food Waste & Digesters Returned

to Service

Avonmouth: Post optimization

Avonmouth: Biosolids digestion investment

Avonmouth: Food Waste digestion investment

Avonmouth: Energy Positive WWTP

ü  5.75 MWe renewable energy (eq. of 10,000 households)

ü  Energy Positive Wastewater Treatment

ü  1.8 MWe going to grid

ü  40,000 tpa diverted from landfill

Other References for Viewing

Easy to retrofit

existing facilities

https://www.youtube.com/watch?v=rtvpIAWzv64 https://www.youtube.com/watch?v=c6KQNGTFQRQ https://www.youtube.com/watch?v=ZvV4hgoUP0g http://www.gewater.com/products/anaerobic-technology.html

Thank You….Questions

mequipco and ge water presentation for westside solutions

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