A Multi-objective Approach For Wastewater
System Planning At A Regional Level
Author(s)
M. da Conceição Cunha , L. Pinheiro, P. Afonso & J. Sousa
Abstract
In the four years since the European Union launched the Water Framework
Directive (WFD) researchers have risen to the challenge of developing
methodological tools to enable its stipulations to be implemented in a uniform
manner. The WFD requires wastewater to be treated to meet specific effluent
quality standards, and quality parameters for the receiving water bodies must
also be satisfied. The trade-off between costs and the level of environmental
protection has to be analysed. This paper presents a multi-objective model that
can be very helpful for authorities deciding on the size and location of the
various elements of a wastewater system in their region. Under the WFD, a
combined approach to designing the sewer networks and treatment plants
included in the system is required, and appropriate multi-objective models will
be essential tools for arriving at an efficient overall design.
Keywords: multi-objective models, simulated annealing, wastewater systems,
Water Framework Directive.
1 Introduction
The International Community has been showing growing concern for the
environment over the past thirty years, in the wake of the Stockholm summit and
the publication of the report, Limits of Growth, by the Club of Rome think-tank
(Meadows et al. [1]). European Union has responded by introducing a number of
Environmental Action Programmes and recently the Water Framework Directive
(WFD) that is the outcome of a concerted policy effort to improve the quality of
water throughout Europe. The WFD takes an integrated and sustainable
Keywords
multi-objective models, simulated annealing, wastewater systems,
Water Framework Directive.
Related Book
Other papers in this volume
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