Objective
The overall objective of this project is to develop a bacterial control tool, based on laboratory and field data, which can be used to predict bacterial regrowth problems in distribution systems, due to chemical and physical conditions including storage and infiltration.
The main aim is to define the specific conditions under which bacterial regrowth can occur, with the objective of modelling water quality changes in distribution, thus enabling management of water supply operations to give significant improvement in water quality.
Significant gastro-enteric health risks may occur if and when opportunistic pathogens such as Aeromonas, Pseudomonas, E.coli 0157/H7 and Yersinia are able to grow in distribution systems, so the project aims to establish the relationship between growth responses of heterotrophic plate counts, indicator organisms and these opportunistic pathogens.
Using conditions in the 3 Mediterranean countries (water-short, warm climates) with intermittent supplies, household storage tanks, infiltration problems and higher endemic disease levels, should allow clearer understanding of the potential problems to be caused in Europe by global warming.
Expected Outcome
The main outcome of this project will be a greatly enhanced understanding of the combination of factors causing bacterial regrowth, leading to development of a model which can be used to predict and control the growth of bacteria, particularly in water-short European and Mediterranean climates. The model will be calibrated and validated against representative distribution systems in each country, and ultimately provide a tool which can be tailored to any distribution system.
The key activities involve :
* Definition of growth kinetics of representative coliforms, heterotrophic plate count organisms and opportunistic pathogens in conditions pertaining to those in distribution systems. These studies will be made in suspended and fixed film culture.
* Determination of the sensitivity of above mentioned organisms to chlorine, U-V light and other disinfectants.
* Determination of the effect of velocity on sloughing off of slime bacteria, and interaction with the suspended bacterial population.
* Definition of conditions in distribution systems which give rise to regrowth and possible growth of opportunistic pathogens, in various countries with a range of raw water qualities, and a wide range of temperature and other physical parameters (including household storage tanks, distribution reservoirs and systems subject to sewage infiltration).
* Epidemiological studies to demonstrate a link between outbreaks of gastro-enteritis and specific opportunistic pathogens isolated from distribution.
* Development and testing of model of bacterial growth in distribution systems, by extending the existing hydraulic and water quality PERFORMANCE-Q model.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences microbiology bacteriology
- natural sciences earth and related environmental sciences hydrology
- natural sciences chemical sciences inorganic chemistry halogens
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
NE1 7RU NEWCASTLE UPON TYNE
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.