Some criteria to minimize the impact of brine discharge into the sea

On a uniformly sloping beach, high salinity build-up along the coast associated with brine discharge into the sea can be avoided by building a longer outfall. For an existing seawater desalination plant, extending the outfall will affect the design specification of the plant. Using a two-dimensional advection-diffusion equation, model solutions that can minimize the shoreline salinity levels without building a longer sea outfall are presented.