WATER SMELLS

BY KEITH NUTHALLTHE STENCH from liquid waste is rarely pleasant, especially for nearby residential areas, so technology from a European Union (EU) funded project will be welcome, if its developers deliver a claim it can reduce such disgusting odours by 95 per cent. The EMRED project team uses floating water plants and filter materials to cover open tanks and ponds, which are not connected to high-tech wastewater treatment facilities. This low cost scheme particularly targets tanks operated by small and medium-sized businesses, which can emit methane, dinitrogen ...


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