Finalists 2011

Stockholm Junior Water Prize
Argentina
Australia
BelarusCanadaChile
China
CYPRUSFranceGermany
IsraelItaly
Japan
LatviaMexicoNetherlands
NorwayRepublic of Korea
Russian federation
Singapore
Slovak RepublicSouth Africa
Sri Lanka
SwedenTurkeyUkraineUnited Kingdom
United States
Vietnam

9 6 - 201119

ckHolm JuonsT

WaTEr PrIzr
E
Io

The Stockholm Junior Water Prize
Each year, the international Stockholm Junior Water Prize competition brings together the world’s brightest young scientists
to encourage their continued interest in water and the environment. Each of the finalists represented in Stockholm are thechampions of national competitions with thousands of participants entering unique projects in 30 countries.
This year, we are very proud to celebrate
our 15th anniversary of the prize and welcome the winners of national competitions
in Argentina, Australia, Belarus, Canada,
Chile, China, Cyprus, France, Germany,
Israel, Italy, Japan, Latvia, Mexico, Netherlands, Norway, Republic of Korea, RussianFederation, Singapore, Slovak Republic,
South Africa, Sri Lanka, Sweden, Turkey,
United Kingdom, Ukraine, USA and Vietnam.
After 15 years, we have learned that brilliant
young minds can find inspiration in someunlikely places. Ingenious teams from theworld over have shown how to clean waterand protect marine environments with everything from oysters to eggshells. They also see
opportunity and hope where most findchallenges and developed solutions that are
cost-efficient, immediate, and applicable theworld over. In this catalogue, you can learn
more about the innovative research thatearned each of the 2011 finalists a chance
to compete for this international honor.

a compelling case to show they are up to
the task.

During their time in Stockholm, all of the
finalists have the special opportunity to meetand learn from the present leaders of the
global water community and make life-longfriendships with international compatriots
who share a passion for water and science.
This includes a once-in-a-lifetime chance toreceive the international prize from H.R.H.
Crown Princess Victoria of Sweden, during
an exciting ceremony, which will be held
this year on Tuesday August 23.

About the Stockholm Junior
Water Prize Competition

You also have the opportunity to meet thisnext generation of water leaders by visiting their booths in the exhibition area T.
The water challenges they face will be
more intense, intricate and expansive thanever before. Looking at the work that hasbrought to Stockholm, they have created

The competition is open to young people
between the age of 15 and 20 who haveconducted water-related projects focusing
on local, regional, national or global topics
of environmental, scientific, social or technological importance. The international winnerreceives a USD 5,000 award and a prize
sculpture. As a result of the competitions,
thousands of young people around the world
become interested in water.
H.R.H. Crown Princess Victoria of Sweden is
the Patron of the Stockholm Junior Water Prize.
ITT Corporation is the global sponsor of theStockholm Junior Water Prize.

The International Jury
The International Jury includes experts within the field of water
who, by committee consensus, appoint the winner of the international final. The decision is based on the written report, a shortpresentation of the display material and interviews with the finalists.
The Stockholm Water Foundation Board appoints the Jury members.

2

THE 2011 International Jury members are:Dr. Fredrik Moberg, (Chair), Sweden; Mr. Björn von Euler, USA;
Ms. Charlotte de Fraiture, Ghana; Ms. Eileen O´Neill, USA; Dr. Piet
Lens, Netherlands; Ms. Susana Sandoz, Bolivia; Mr. Alex Simalabwi,
Sweden and Ms. Helene Brinkenfeldt (Secretary), SIWI, Sweden.

IndexA rgentina	

o
l
H
mJ
k
c
u
o
T
n
s

A ustralia	

E
r
T
a
P
rIz
W
r
E
o
I

B elarus	

44
45

C hile	6

C hina	6

CYPRUS

6

F rance	

G ermany	I srael	I taly	J apan	

L atvia	M e x ico	

N etherlands	

9 6 - 2011

C anada	

7
8

8

8
9

10
10

10

N orway	 11

R ussian F ederation	

S ingapore	

S lovak R epublic	

S outh A frica	
S ri L anka	

12

12

12

19

R epublic of K orea	

13

14
14

S weden	

14

T urkey	

15

U kraine	

15

U nited K ingdom	

16

U nited S tates	

16

V ietnam	

163

The 2011 Finalists
AR G E N T I NA

AUS T RAL I A

belarus

Removing Arsenic
By Edgardo Agustin Devia, Felipe Badin
and Lautaro Molinengo

Does Phosphate Runoff From Golf
Courses Contribute to Eutrophication in Adjacent Water Bodies?
By Mathuja Bavanendrakumar

The Role of Water in the Reductionof Greenhouse Gas Emissions on
Degraded Peatlands
By Vera Parvatava

The Argentinian team’s research on groundwater samples in the city of Leones, showedthat arsenic levels in the water was dangerously
high (106.6 μg.l-1), and well above what is
considered safe for consumption by the World
Health Organization (10 μg.l-1). To address
the problem, they compared the effectiveness of two methods to remove arsenic: solaroxidation (SORAS) and heterogeneous photocatalysis with titanium dioxide. They foundthat SORAS treatment was able to remove 94
per cent of arsenic and was significantly more
effective than the more commonly applied
method of photocatalysis with titanium dioxide.
They concluded that SORAS is an inexpensive, readily available and easy to use solution
for people to remove arsenic from drinking
water at home.

This study investigated whether phosphaterunoff from golf courses contributes toeutrophication in adjacent waterbodies.
Seven golf courses with internal lakes
were randomly selected in the Gold Coast,and for each, a water body wit in a one
kilometer radius was chosen. It was foundthat all internal lakes in the golf courses,
and adjacent natural waterbodies tested had
eutrophication occurring in them, indicating
moderate to high risk of algal toxication.
Moreover, five out of seven golf course
internal lakes and three out of seven of
the adjacent water bodies had excessive
phosphate concentrations, which indicatesthat runoff from golf courses were likely
contributing to the eutrophication. The study
concluded that reduced fertiliser use on
golf courses could lessen local euthrophication.

This project investigated the relationshipbetween agricultural practices in peatlands
and their corresponding greenhouse gas
emissions. Using an assessment tool tolink vegetation types and mean water level
fluctuation with annual emission factors,
the Belarusian finalist was able to calculate theemission reduction potential of rewetting theland. In the 329 hectares surveyed, emissions
ranged between 8,5 and 24 tonnes of CO2
equivalent per year, and totaled nearly 6000
tonnes CO2 over the entire area. The project
estimates that rewetting the entire territory
could save over 3000 tonnes of CO2 per year.

National organiser and sponsors
AIDIS ARGENTINA, AySA, ITT FLYGT
ARGENTINA, Ecopreneur, Sudamericana
De Aguas, Enersystem, Agua De Los Andes,
Aguas Cordobesas, APrA and Epas Mendoza.

National organiser and sponsors
ITT Water and Wastewater, SA Water andAllconnex Water.

National organiser and sponsor
Coca-Cola Beverages Belarus.

4

CANADAThe Hazards of Nanosilver
Uncovered
By Shayla Larson and Adam Noble
The Canadian project examined the effects
of nanosilver, an increasingly common commercial and industrial antimicrobial agent,on Euglena. This photosynthetic protozoan
may represent an indicator of the potential
impact of nanosilver on living organisms infresh water ecosystems. Results of this study
indicated that absorbed nanosilver is toxic toEuglena cells, and can result in structural andfunctional changes and cell death.
National organiser and sponsors
WEAO, CWWA, WCWA, RESEAU, BCWWA,
ACWWA, ITT Water and Wastewater.

2010

E

VI

r

NADA

ne

PR

Stockholm: Gamla Stan | Old Town

Photo: EdelpixCA

O U Wi nS

5CHILEC H I NACY P RUS

Cleaning the Ocean From Oil
Contamination with Feathers
and Bacteria
By Rolf Sommer Catalán and Bruno León
Campos Cabrera

Water Dog – Reservoir Cleaning
Controller
By Mengdi Liao, Jianwen Li and Shiyu Shi

Turn Your Grey Water Into Green In
the Shower
By Alexandros Constantinou andMaria Ioannou

Accidents involving oil pollution in the ocean
require strategic planning and responses.
The Chilean team’s research highlighted
potential solutions: bird feathers can be usedas strong adsorbents of contaminants, which
combined with a newly isolated strain ofbacterium “corynobacterias” can metabolise
contaminants and clean water contaminatedby oil.

The Chinese team invented a new cleaning andmonitoring system for reservoirs: the Water
Dog. The Water Dog is a low cost, accurate,easy to operate, unmanned operation that canmonitor water quality in real time and its use
is completely pollution free. The system is also
flexible, where any district can set individual
thresholds to match the targeted water standards in their local area.

The Cyprian finalists personal experience
with strict water restrictions in their homecountry inspired them to look for smarter
ways to get more out of the water they use
at home. Using existing green technology,
they developed a system that enables bathwater to be recycled, reused and come outat the desired temperature. The design isfinancially viable, user-friendly, easy to install,saves water and reduces energy consumption.
They claim that their system can help improveaccess to clean water; boost local economies
through green investment and help Cyprus
meet the EU CO2 emission standards.

National organiser and sponsors
Chilean Chapter of the International
Hidrological Programme and the General
Water Directoral of the Chilean Government,
Aguas Andinas, Homecenter Sodimac, Nestlé,Colbún, AIDIS, ALHSUD and SOCHID.

National Organiser and Sponsors
Center for Environmental Education andCommunications of Ministry of Environment
Protection of China, ITT corporation andGuangdong Experimental High School
in Guangdong P.R. China.

National Organiser and Sponsors
Water Museum of Lemesos, Hellenic Bank,
PricewaterhouseCoopers Ltd, ie Muhanna& Co Actuarial Services andPhileleftheros Newspaper.

E

VI

6

ne

PR

2006

r

n
chi a

O U Wi nSF RANC E
Sediments in Seyne: How Do
Sediments Release in Seawater?
By Laura Cerdan, Julia Bastos Reinaldo
and Kenza Bouaziz
Plans to renovate the harbor of la Seyne on the
Mediterranean shore have been delayed several
times due to the presence of sediments thatprevent dredging. Removing the sediments,
however, would release a significant amountof pollution into the seawater. Faced withthis dilemma, the French team conducted aseries of experiments, developed new analysis,
possible measures and potential solutions forclean dredging and initiated a public awareness campaign to educate local stakeholders
on the issue.

Stockholm: Sergels Torg | Sergel Square

Photo: Edelpix

National Organiser and Sponsors
Minister of Ecology, Sustainable
Development, Transportation and Housing
Department of France, Seine Normandy
Water Agency, ITT France, VEOLIA Waterand Hydroplus.

7

G E RMANYI SRA E LI T ALY

Preventing Eutrophication:
Ammonium as an Abiotic Factor in
the Ecosystem Tide-Elbe
By Mathias Dehn and Jasper Feine

SOWP-DTS – Solar Water
Purification Using a Drop
Technology System
By Maya Braun and Avishai Ketko

An Aquarium Under the Microscope:
A Study of Zooplankton in a Resurgence Environment Reproduced ina Laboratory
By Umberto Lavagnolo

Ammonium, a component of agricultural fertiliser, is produced during the bacterial decomposition of organic material and is found in
human and animal feces. High ammonium
concentrations is a common problem seen in
many rivers that are subject to intensive humanuse, such as the Elbe. This project measured
the spatial and seasonal variations in ammonium concentrations in the Tide-Elbe in 2010,
and their implications on eutrophication foundin various areas found in the river.

Hundreds of millions of people lack access tosafe drinking water. It is one of the most pressing problems faced by humanity. The Israeli
team designed a water purification device
that uses sunlight to disinfect water. Throughdetailed analysis of the geometric propertiesof the water drop and applied understandingof the laws of optics, they were able to create adevice that is able to concentrate UV radiationfrom the sun onto the water, trap UV energy
within each water drop and ultimately resultin clean water. The technology uses renewablesolar energy, is inexpensive and has a wide
spread applicability in areas most in need.

The quality of water, and quality of life for its
many guests, is largely determined the composition of micro-organisms in the water body.
This project replicated the aquatic environment found in a natural resurgence in Verona,
Italy in a laboratory and performed tests tostudy how possible changes to the environment caused by human activities can impact
the biological balance of the water body.
It was able to link the presence of certain
species to specific water characteristics, which
the author concludes can be identified as“biological indicators”.

National Organiser and Sponsors
Dr. Kock, Prof. Dr. Elsholz, Gymnasium
Hochrad, University of Applied Sciencesin Hamburg and University of Hamburg.

National Organiser and Sponsors
The Faculty of Engineering at Tel Aviv
University, the Raquel and Manuel Klachky
Fund, the Mellanox Technologies Company
and the Water Authority.

National Organiser and Sponsors
Fast, Foist, Aica, Flygt, Intel High patronage,
Presidente della repubblica italiana
Patronage, Governo italiano, Minidterodell’istruzione, Ministro per le politiche
europee, Ministro della gioventù, Regione
Lombardia Cooperation of, CusMiBio, Inaf,
Milset Europe, NetPoleis, SSP and Ugis.

E

ne

PR

1998

VI

8

many

r

g

er

O U Wi nSJ A P AN
Forging Information Networks
to Face a Silent Threat: Addressing
Alien Species in Water
Environments
By Daichi Ogata, Mikage Aoki andMiki Nakajima
The Japanese team researched the causes forthe expansion of two alien species in theirlocal water environment: Asian clams and
New Zealand mudsnails. They discoveredthat nature conversation activities were a
primary catalyst and that poor access to
information on alien species has stunted
concerted action. To solve the problem,
they developed a new “information networkof alien species” and have raised awarenesson how alien Asian clams seriously threaten
native species in Japanese water ecosystems.

PR

2004

E

VI

r

a
jap n

ne

Stockholm: Globen | The Globe Arena

Photo: Edelpix

National Organiser and Sponsors
Lion Corporation, CTI Engineering Co., Ltd.,
Nippon Koei Co., Ltd., Pacific Consultants
Co., Ltd., Tokyo Construction Consultants Co.,
Ltd., Japan Federation of Construction
Contractors Inc. and Executive Committeeof River Day.

O U Wi nS

9LA T V I A

M E X I CO

N E T H E RLANDS

Assessing the Ecological Quality of
Lake Engure with Macrophytes
By Linards Klavins

Reducing the Water Footprint for
Biodiesel Production
By Luis Alberto Lira-Hernandez

Unlocking the Potential of Local
Wastewater Treatment
By Rogier Burger

This study compared differences in ecologicalhealth in Lake Engure and analysed the possibility to use water plants, macrophytes, forwater quality evaluations. Ecological quality
assessment methods have a great potential forevaluation of surface waters. Amongst different aquatic species, macrophytes can easily be
used for water quality evaluation. The Latvian
students were able to elaborate an ecologicalquality map and study new possibilities touse macrophytes for lake quality assessments.

Applying a research model developed at
the University of Twente, Netherlands,
the Mexican project demonstrated how thewater footprint of the biodiesel manufacturing
process could be reduced by improved waterreuse. They found that water used to wash
biodiesel could be reintroduced to wastewater
treatment plants without any further treatment or processing. The effluent is a viable
alternative to replace fresh water during the
manufacturing process of biodiesel and therefore can reduce the need to draw from new
freshwater resources.

Today, wastewater treatment is organised ina way that focuses on “removing pollutants”
from water, and in the process it uses a lot ofenergy. However, there are valuable materials that can be recovered from what we call‘waste’ water. New systems to recover andreuse those materials could be used produce
energy, and also reduce treatment costs.
The Dutch project details a “Decentralised
Ecologic Manufacture Approach” (DEMA)
which improves the separation of ‘black’and ‘grey’ water and can reduce costs, recycle materials and reuse water and energy.
The sustainable DEMA is applicable acrossthe world and could make a difference in thequality of life for many people.

National Organiser and Sponsors
Riga City Council Education, Culture andSports Department.

National Organisers and Sponsors
Embajada de Suecia, Acdemia Mexicana deCiencias, CONAGUA, Camara Sueco Mexicanade Comercio, IMJUVE, Gobierno de la Ciudadde Mexico, UNAM, Grupo Urrea, Kemira,
Tetrapack, ITT Industries, Sandvik, Ericsson,
Colegio de Ingenieros Ambientales, AC. and
ALFA LAVAL.

National Organiser and Sponsors
Netherlands Water Partnership, Ministry of
Infrastructure and the Environment,
artners for Water and Wetsus.

E

ne

PR

2007

VI

10

xico

r

me

O U Wi nSNOR W AY
Pool Water and Health Issues:
A Scientific Analysis on theConnections Between Water
Quality and Health Issues in
Public Swimming Pools
By Henning Kaland and Kristoffer Karud
Extended exposure to hypochlorite in pools
has been linked to asthma as well as a hostof other possible health complications, somemore serious than others. The Norweigan
team performed an in depth assessment ofwater quality in swimming pools in Oslo,with detailed measurements of bacteria,
hypochlorite and particle content and pH
levels. The young scientists concluded thatthe water quality in the pools were within
national regulations, but that regulations on
hypochlorite should be reassessed to ensure
public safety.

Stockholm: Östermalmshallarna | Food Court at Östermalm

Photo: Edelpix

National Organiser and Sponsors
Norwegian Hydrological Committee,
Norwegian Water Association, VA-yngre,
Norwegian Water Resources and Energy
Directorate, Statkraft, Clean Water Norway andGodt Vann Drammensregionen.

11

R E P UBL I C O F
KOR E ARUSS I A n
fe d e r a ti o n

S I N G A P OR E

Introducing a New Climate Coast
Guard: Coastal Erosion Protection
From the Impacts of Climate Change
By MSung Eun Jang, Hayejin Moon andDhoyeon Kim

Water Map of Kazan City
By Aigul Khafizova and Oleg Shamaev

Use of a Natural Fibrous Sorbent
for Oil Spill Cleanup
By Kai Sheng Leonard Tan, Mohammad
Mustafar Bin Abdul Razak and Jin Hao Tan

Climate change is likely to cause sea level rise,and corresponding increases in the height ofwaves can lead to serious erosion in beach andcoastal areas. The Korean team engineereda blockade to protect beaches from erosion.
Initial test of their MECS design (Mushroomshaped Eco Coastal Structure) were estimatedto be able to avoid 44-50 per cent of erosion.
They hope that their work is a first step towards
creating an engineering solution to erosion.

Using original methods and standard techniques of environmental mapping, the Russian team developed a digital map of water
resources of Kazan city, based on a bit map
topographic base. The map contains aninventory of 200 urban water reservoirs.
The maps are available online on the Russian
webpage of the international web-based project
www.GreenTeen.org, and is also posted at
www.GreenMap.ru, a site created by highschool students. The map has also been published in print as an environmental guidebook.

Oil spills pose a major threat to the marine
environment. In this project, Kapok, a natural
agricultural fibre which possesses outstanding hydrophobic-oleophilic characteristics,
was studied for its ability to absorb crude oil.
It was found to be very efficient compared tocommercial sorbents, retaining oil at almost 50
times its weight. When placed under pressure,
98 per cent of the oil could be recovered, andthus help minimise the wastage of crude oil.

National Organiser and Sponsors
Woong Jin Coway. Co., Ltd, Ministry of Public
Administration and Security, Ministry of Land,
Transport and Maritime Affairs, Ministry ofEnvironment, Korea University and
The Hwajeong Peace Foundation.

National Organiser and Sponsors
Environmental Projects Consulting Institute,
Coca Cola Hellenic Russia, State Grant of theRussian Federation, Federal Ministry of Natural
Resources and Ecology, ROSVODOKANALGroup and Evraziyskiy JSC.

National Organiser and Sponsors
Ngee Ann Polytechnic, Lien Foundation,
Public Utilities Board (PUB) and Singapore’s
National Water Agency.

12

SLO V AK r ep u b l i c
Natural Treatment of Water and Its
Effect on Unicellular Organisms
By Dominika Pelegrinová and
Nikolette Zavillová
This project investigated the potential use ofnatural zeolite (of the clinoptilolite type) andhydrologitic enzymes isolated from rainworms
as a natural option for water treatment.
The experimental purification method wasapplied to water samples taken from three
separate sources. Each sample contained
cilates, whose activity could be tested before
and after treatment through fluorescence
spectroscopy to evaluate the impact of thetreatment method. Zeolite was found to
improve water quality, lower total concentration of ammonia and remove odors, colour
and some organic compounds, but did notchange pH levels.

Stockholm: Drottningholms Slott | Drottningholm Palace

Photo: Edelpix

National Organiser and Sponsors
Young Scientists of Slovakia, Bratislava
Water Company (Bratislavská vodárenská
spoločnosť), East Slovakia Water Company(Východoslovenská vodárenská spoločnosť),Slovak Research and Development Agency,
Ministry of Education, Science, Research andSports of Slovak republic and Ministry ofEnvironment of the Slovak republic.

13

SOU T H A F R I CA

Sri Lanka

SWEDEN

Water Conservation in Windmills
By Hendrick Fourie and Gideon de Jager

From pollutant to pulp: Industrial
Symbiosis of Textile Finishing, Paper
Recycling and Pulp Production
By: Prasan Warnakula

Lagena: Bottle Made by Nature
By Josefin Pettersson and Emma Högström

The South African team sought to improvethe design of windmills to ensure that water
was used as efficiently as possible. In theirmodel, they fitted a by-pass valve to redirect
the water to the groundwater source andadded a ball-valve to the reservoir to cut off
excess incoming water. They believe thatsuch improvements are needed at all levelsof society for South Africa to grow with its
relatively limited water resources.

The objective of this research was to investigate the possibility of making paper pulp
out of low grade recycled paper. The young
Sri Lankan scientist found that some nutrientsfrom wastewater from the textile finishingindustry could enable a symbiotic process.
Aluminum, which needs to be removed fromthe industrial wastewater can be absorbed
in paper pulp, to improve its stability.
Following a series of experiments and trials,
the project indicates that it is possible to reduce
the water requirement for pulp production andimprove the treatment efficiency of the textile
industry wastewater.

Lagena is an innovative bottle design thatmakes it possible to transport 78 per cent morewater per truck than is done with the average
plastic water bottle. Shifting to Lagena would
translate into significant reductions in CO2emissions. The bottle is made out of polylactide(PLA), which is renewable, fully biodegradable
and does not release hydrocarbons when it isreabsorbed by the earth. The Swedish inventors
envision Lagena as an attempt and a suggestion
to present smarter solutions to secure global
water supply and reduce the emissions of CO2
and hydrocarbons into the environment.

National Organiser and Sponsors
Water Research Commission, Univesity of
KwaZulu-Natal and Cape Peninsular
University of Technology.

National Organiser and Sponsors
ITT Corporation, USA, Industrial Solutions
Lanka (Pvt) Ltd. (ISL) Community Led
Environmental Awareness Network (CLEAN).

National Organiser and Sponsors
ITT Water & Waste Water, Svenskt Vatten,
Tyréns, Urban Water, Norrköping Vatten and
Vattenmyndigheterna.

E

VI

14

ne

PR

2001

r

ed e nsw

O U Wi nST URK E Y

UKRA I N E

Clean Energy From Dirty Water:
Producing Electricity From Wastewater Using Exoelectrogen Anaerobic Bacteria in Microbial Fuel Cells
By Ozan Ozkan, Cem Celik and Emre Suna

Splitting Oil From Water: Purifying
Water From Oil Pollution Using
Magnetic Separation ThroughFine-Dispersed Magnetite
By Dmytro Danylchuk

This study aim to use Exoelectrogen Anaerobic
Bacteria in microbial fuel cells to produce electricity and prevent pollution from wastewater
discharge. The Turkish students systems wasable to generate electricity and treat wastewater to 90 per cent efficiency. Their design
was unique in its electrote shape, and used
no extra substrate, chemical compositions or
buffer solutions. Their work makes a strong
case for the use microbial fuel cells to treat
water pollutants.

This project explored the feasibility of magnetic separation as a method to clean waterthat has been polluted by oil. Fine-dispersed
magnetite was applied as an experimental
method to remove oil and some oil derivatives
from the water. A thin-layer chromatography
was utilised to monitor the results, whichsuggest that the magnetite is a potentiallyeffective treatment option that can be usedduring the liquidation of shelf oil spills.

National Organiser and Sponsor
General Directorate of State HydraulicWorks Turkey.

National Organiser and Sponsors
DOW, Ecosoft, JSC, AK Kyivvodokanal and
EKOinform Publishing House.

E

VI

r

2009

ne

PR

Stockholm: Rådhuset | Stockholm City Hall

Photo: Edelpix

rkey
tu

O U Wi nS

15

UN I T E D S T A T E S

V I E T NAM

Sampling Efficiency of Plankton Net
By Katie Forbes

Development and Evaluation of a
Microfluidic Co-Flow Device to
Determine Water Quality
By Alison Bick

Carpet Cleaning: Absorbing andRetaining Oil Spills Through a
Melaleuca Cajuputibark Carpet
By Hien Ly Cong, Hay Nguyen Tri and
Liem Nguyen Thanh

The UK research project provided new insights
into plankton analysis. Detailed understandingof plankton is crucial to evaluating marine ecosystems, as plankton is a strong indicator of how
external pressures are affecting the ocean’s foodchains. Plankton have short life cycles, whichmeans that changes in their quantity provide
an indication of how pollutants, climate change
and other external forces affect the marine foodchain and especially fisheries. Sampling must
therefore be accurate and producing precise
results that will identify accurately the subsequent variations in the ecosystem.

By combining co-flow microfluidic devices,cell-phones, and the indicator chemical Colilert-18, a novel way of determining water
qualities was found. The cell-phone takes
an image of the channel and analyses it.
A statistically significant positive correlation
between bacteria concentration and yellow
pixel intensity in the images were identified.
In comparison, the new device is 18 hours faster,
200 times less expensive, and as accurate as thestandard bacteria tests.

The Vietnamese team sought to protect
the Mekong River Delta from oil spills
with a smart, and readily available solution.
They innovated a “Melaleuca Cajuputi barkcarpet”, which is not only beautiful but isalso extremely effective in absorbing spilled
oil in water bodies. According to their tests,
the carpet is able to collect up to 97 percent of oil in rivers and canals, making it anaesthetic and economical solution to protect
water resources.

National Organiser and Sponsors
The Chartered Institution of Water andEnvironemtal Management (CIWEM) andMarine Scotland with Nuffield Foundation.

National Organiser and Sponsors
Water Environment Federation,
ITT Corporation, The Coca-Cola Company andDelta Airlines.

National Organiser and Sponsors
Vietnam Association for Conservation of Natureand Environment, Canon Singapore Pte Ltd –representative office in Vietnam and Vietnam
Environment Administration

ed statit16r

S Wi n

VI

r

1997
OU

ne

un

r
ne

OU

E

E

VI

ed stat
it

es

PR

2000

S Wi nPR

ed stat
it

OU

es

un

E

VI

ne

PR

2008

es

un

UN I T E D K I N G DOM

S Wi nA new beginningfor smarter watertechnology.

ITT’s water business is becoming an independent company.
Building on our legacy of global leadership, we will continue
to provide efficient systems and sustainable solutions fortransporting, testing, analyzing, treating, and reusing theworld’s most vital resource.
We will soon have a new name, but the core of our businesswill remain the same... partnering with our customers totackle the world’s water challenges with reliable products
and trusted product brand names like Flygt, Lowara, Goulds,
WTW, Godwin Pumps and others.

This is just the beginning.
www.ittfluidbusiness.com

ITT, ITT Watermark, the Engineered Blocks symbol and “Engineered for life” are registeredtrademarks of ITT Manufacturing Enterprises, Inc. © 2011, ITT Corporation.

17

Sedan 1990
Alexandre Allard and Danny Luong, Canada recieving the 2010 Stockholm Junior Water Prize from
H.R.H. Crown Princess Victoria.

Global Sponsor

Offical Suppliers

Sedan 1990

Sedan 1990

www.trosatryckeri.se

Photo: Cecilia Östhammar, Exray

Stockholm Junior Water Prize Winners 2010

Stockholm Junior Water Prize Winners
2010 | Alexandre Allard and Danny Luong, Canada“Research on Biodegradation of the Plastic Polysterene”

2003 | Claire Reid, South Africa“Water Wise Reel Gardening”

2009 | Ceren Burçak Dag, Turkey“A Solution to Energy-Based Water Contamination:
Rain as an Alternative Environmentally Friendly Energy Source”

2002 | Katherine Holt, USA“Cleaning the Chesapeake Bay with Oysters”

2008 | Joyce Chai, USA“Modelling the Toxic Effects of Silver Nanoparticles Under
Varying Environmental Conditions”
2007 | Adriana Alcántara Ruiz, Dalia Graciela Díaz Gómez
and Carlos Hernández Mejía, Mexico“Elimination of Pb(II) From Water Via Bio-Adsorption
Using Eggshells”
2006 | Wang Hao, Xiao Yi and Weng Jie, China“Application Research and Practice of a Comprehensive
Technology for Restoring Urban River Channels Ecologically”
2005 | Pontso Moletsane, Motebele Moshodi
and Sechaba Ramabenyane, South Africa“Nocturnal Hydro Minimiser”
2004 | Tsutomu Kawahira, Daisuke Sunakawa
and Kaori Yamaguti, Japan“The Organic Fertilizer – an Alternative to Commercial Fertilizers”

2001 | Magnus Isacson, Johan Nilvebrantand Rasmus Öman, Sweden“Removal of Metal Ions from Leachate”
2000 | Ashley Mulroy, USA“Correlating Residual Antibiotic Contamination in
Public Water to the Drug Resistance of Escherichia coli”
1999 | Rosa Lozano, Elisabeth Pozo and Rocío Ruiz, Spain“Echinoderms as Biological Indicators of Water Quality
in the Alborán Sea Coast”.
1998 | Robert Franke, Germany“The Aquakat – a Solar-Driven Reactor for the
Decontamination of Industrial Wastewater”.
1997 | Stephen Tinnin, USA“Changes in Development, Sperm Activity and Reproduction
Across a 105 Exposure Range in Lytechinus Variegatus
Gametes Exposed to Pesticides in Marine Media”.

S I W I, SIWI

Drottninggatan 33, -1 51 S, S
P +      F +      siwi@siwi.org  www.siwi.org