Treating sludge with crushed calcium oxide has been proven world wide to be a reliable, competitive and easy to run process. Clogrennane Lime have verified this process with their own trials in Ringsend in 1996. (Trial reported by Fehily Timoney Weston)           Untreated Sludge   Calcium Oxide   Lime treated biosolids supporting grass growth        :: Waste water and Sludge treatment with lime To have a common standard across Europe specifying a minimum level of treatment of sludge for beneficial use. EU also requires end of sea dumping and land filling of sludge. Produced a Code of Good Practice (more stringent than EU directive). The code approves six methods to produce pasteurised biosolids and targets agriculture as the beneficial disposal route: - They are Drying, Composting, 3 Digestion techniques and Chemical Liming.