This research is concerned with the use of techniques
of system analysis / operations research in the selection
of the optimal - or most appropriate - wastewater treatment
techniques in any given situation. An extensive
investigation of existing treatment system optimization
models, applying techniques of linear programming, dynamic
programming and non-linear mathematical programming, has
been carried out. None of these existing models deals with
the socio-cultural and environmental conditions but merely
with the economy of treatment. In this work the more
subjective or intangible factors are included in the
proposed optimization model in which twenty parameters are
identified. These parameters are considered to be most
important in the selection of appropriate alternatives
for treating municipal wastewater. They include
technical, economic, environmental and socio-cultural
factors. The model was developed to rank a definite number
(n) of wastewater treatment alternatives (decision
variables) by the evaluation of the twenty parameters [...continues].