Publisher's Synopsis
Small wastewater treatment plants (i.e. those with an average flow of around 1000 m(3)/d or less) are scattered in their thousands around the world, but their contribution to solving global pollution problems can be overlooked. However, their role is far from insignificant and locally they are often crucial in protecting watercourses and drinking-water sources that are of major importance.;Small plants are used to serve villages, factories, tourist establishments, military camps, etc. There is a huge variation in the quantity and quality of influent they must treat, and in many cases continuous supervision of plants is not feasible. These problems make their design and operation far from simple. The papers selected here were presented at a highly successful conference that brought together scientists, engineers and practitioners to discuss the various technologies that may be used. The topics covered include activated sludge and biofilm reactors, constructed wetlands and ponds, infiltration and soil filter systems and issues in the planning, operation and upgrading of small wastewater treatment plants.
