Nick Meeten
Team Leader Green Buildings
HUBER
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Presentation Overview
• A brief history of time (for cities).
• Why do we need to change from ‘Business
As Usual’ for our cities of the future?
• What are some alternative concepts?
• How do we implement it?
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
A Brief History Of Time – Mid 1800’s
1850’s & 1860’s:
Widespread construction of city
sewers starts around the world.
World Population source: world bank
Barcelona
Urban Form
Common Forms of Transportation
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
A Brief History Of Time – Early 1900’s
World Population source: world bank
Barcelona
Urban Form
Common Forms of Transportation
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
A Brief History Of Time – Mid 1900’s
50%
1950
Source:
UN-ESA
World Population source: world bank
Barcelona
Urban Form
Urbanisation
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
A Brief History Of Time – Early 2000’s
50%
1950
Source:
UN-ESA
World Population source: world bank
2005
Barcelona
Urban Form
Urbanisation
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
A look into the future - 2050
50%
1950
Source:
UN-ESA
2005
World Population source: world bank
2050
Urban Forms???
Urbanisation
Urbanisation
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Pressure Building for Infrastructure Investment
Global
Source: GWI Global Water Market 2011
AWWA Study
Source: http://www.win-water.org/reports/infrastructure.pdf
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
The Issues
1. Running Out Of Water
2. Infrastructure Resilience
3. Adaptability & Flexibility
http://maps.grida.no/go/graphic/increased-global-water-stress
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Orlando
Running Out Of Water
Houston
No Need
To Change
Population Growth
+ Urbanisation +
Competiton (e.g.
Agriculture & Industry)
Need to
Change
Singapore
Natural
Supplies
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Infrastructure Resilience
Source: http://www.scientificamerican.com
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Infrastructure Resilience
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
The Typical City Of Today
The limits of natural ecosystems
is being reached
Waste water removed
Potable water brought in
Extensive Pipes in the
$$$$$$
$$$$$$
Ground Infrastructure.
Expensive,
Inflexible
& Aging.
International EWA Symposium
“Sustainable Wastewater
Management
– New solutions for new problems”
$$$$$$
16th
$$$$$$
Munich, Germany, 8-9 May 2012
Non-Potable Reuse Possibilities
Landscaping
Amenity
Fire/Washdown
Groundwater Recharge
“Sustainable Wastewater Management –Industrial
New solutions for new problems”
Internal
Irrigation 16th International EWA Symposium
Munich, Germany, 8-9 May 2012
The Cities of the Future
 Better use of water
 More resilient network
 Adaptable to change
Decentralised or Semi-Centralised
Infrastructure
Advanced wastewater
treatment with water
recycling
LESS Water brought in
$
$
$$$$$$
LESS Wastewater removed
$$$$$$
$
$
$$$$$$
$
$$$$$$
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Savings?
Redirected capital investment
Decentralised Infrastructure Example – Venice Italy
>4700 Septic Tanks
>2000
Grease Traps
16 International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
th
Munich, Germany, 8-9 May 2012
Decentralised Infrastructure Example – Venice Italy
120 larger plants remotely
controlled by Venice
Water Authority
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Semi-centralised Treatment & Reuse - Chile
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Sewer Mining For Water Reuse
1. Sewer
2. Manhole with screen & pump
 Wastewater is extracted from a
street main sewer and treated with
MBR to make it clean and safe.
 The treated water is then recycled
for irrigation of parks, golf courses,
sports fields etc.
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Sewer Mining in Sydney
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Enabling Technology - Membranes
Before
Before
After
After
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Innovative Technology - Mobile Sludge Dewatering
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Typical packaged water treatment systems
I don’t want a
shipping container
parked outside my
hotel!!
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
New generation MBR systems
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
How Can It Be Implemented?
Industrial water
demand
Irrigation water
demand
Catchment area
for wastewater
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
The Tipping Point for Action
Resistance to
Change
Experience &
Confidence
Regulatory
Hurdles
Technology Advances
Demand
Need to invest
Affordability
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Today
World Population source: world bank
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012
Thank you for your Attention !
[email protected]
16th International EWA Symposium “Sustainable Wastewater Management – New solutions for new problems”
Munich, Germany, 8-9 May 2012