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Lunch seminar on Master thesis work in
Drinking water systems
6 November 2014 DRICKS Thomas Pettersson, Viktor Johansson, Olof Bergstedt, Kate Murphy More information on: www.dricks.chalmers.se
DRICKS – from source to tap perspective
Master thesis seminar - Chalmers, 2011-11-21
Masters thesis projects DRICKS 2014-‐2015
1. Risk assessment 2. Source water 3. Advanced NOM characterisaFon & DistribuFon 4. Treatment 5. Consumers’trust
Risk assessment Risk Assessment in water supply systems of large ciFes in Sweden and Latvia Contact: Thomas PeRersson, [email protected]
Andreas Lindhe, [email protected]
Main purpose of this MSc project is to • Illustrate and evaluate the use of different
risk assessment tools and principles in drinking water supply systems
• Assess risks in the Nordic/BalFc countries in general and in Sweden and Latvia in parFcular.
Source water Hydrodynamic modelling -‐ Lake Rådasjön Contact: Ekaterina Sokolova [email protected]
Expected modelling results: Spread of contaminaFon in Lake Rådasjön, horizontal view (top) and cross-‐secFon (boRom)
Goals: • to apply the exisFng 3D hydrodynamic
model to simulate the fate and transport of faecal contaminaFon within Lake Rådasjön;
• to develop a simplified model (e.g. 2D) of the lake and compare it with the more extensive hydrodynamic model.
EvaluaFon of the effects of water protecFon areas • Study a number of water protection areas and
evaluate how they have affected the risk level • Groundwater and surface water sources • Risk-based approach • Aspects to be considered are e.g.:
– what barriers have been created, how the water protection area has affected the water resource management in general
– how the water source protection is considered by the municipality in strategic planning etc.
– Collaboration with, for example, consultants and others with a vast experience of water protection areas.
• Contacts and Supervisors: Andreas Lindhe & Lars Rosén
Source water
Source water Origin of perfluorinated substances in raw water sources Requirements: Student must be fluent in Swedish Number of students: 1-‐2 CollaboraFon with: Göteborg Kretslopp och VaRen, DRICKS Contact: Viktor Johansson, [email protected]
Advanced NOM characterisa9on
1. A turbidity-‐correcFon algorithm for in-‐situ fluorescence EEMs Involves: MATLAB, modelling, chemistry DistribuFon system: 2. Assessing entrainment of contaminants in the drinking water
distribuFon network using fluorescence spectroscopy Involves: Field sampling during pipe repairs, MATLAB, chemistry Contact: Kate Murphy
Fluorescence spectroscopy is: • very sensiFve, • fast, mulFvariate data
• new instrument available,
• Two related PhDs
Treatment Develop key performance indicators to determine the hydraulic performance of the disinfecFon barrier The project will cover • A survey among chlorinaFon tanks in the Gothenburg area. • A literature review to define available performance indicators. • Carry out tracer studies and determine the residence curve to evaluate the idenFfied
performance indicators. Requirements: Course in drinking water treatment Number of students: Not limited, project can be split into several projects CollaboraFon with: Göteborg Kretslopp och VaRen and DRICKS Contact: Mia Bondelind, [email protected]
Consumers’ trust CommunicaFon and trust in drinking water • InvesFgate how consumer trust and confidence in drinking water is affected by normal
disrupFons • How informaFon and communicaFon strategies and crisis-‐communicaFon are
funcFoning within the municipality. • Use Google Alerts about boiling recommendaFons Requirements: Student must be fluent in Swedish Number of students: Not limited, project can be split into several projects CollaboraFon with: Livsmedelsverket, Göteborg Kretslopp och VaRen, DRICKS Contact: Mia Bondelind, [email protected]
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