Abstract
This paper describes the conversion of a difficult landfill, inherited by Wiltshire County Council during local government re-organization in 1974, into a high-standard landfill, providing containment of wastes. It can now provide the capacity to continue to receive wastes for at least the next 30 or 40 years. An essential feature of these works is an on-site, automated leachate treatment plant. The design philosophy and difficulties encountered during the commissioning of the plant are described in this paper. Initial difficulties in treating large quantities of methanogenic leachate from saturated areas of waste have been overcome by a novel scheme, whereby a high-strength organic waste stream from a local jam factory is blended with the influent leachate streams for optimum treatment conditions.
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