SEWAGE SLUDGE HEAT GENERATOR

STORIES BY KEITH NUTHALL A WELSH sustainable energy firm has proved 'where there's muck there's brass' by helping build a heat generator for Polish cities, running on sewage sludge. Sustainable energy consultancy ETP Ltd, of Cardiff, worked with Polish manufacturer ABM Solid, of Tarnow, to build a 'fluidised bed boiler' heating a wastewater treatment plant at Poland's Niepolomice. It is fed by the 1,100 tonnes of screened sewage excreted by its townsfolk annually, combined with wood chips as secondary fuel, which is burnt, producing up to 760kW of heat for the ...


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