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From 1 January 2027, harmonised EU hygiene requirements will apply to pipes, fittings and seals in contact with drinking water – yet a new survey suggests most manufacturers are not ready.
A significant share of biogas systems at US wastewater treatment plants leak so much methane that the climate benefit of the renewable energy they produce disappears entirely, according to a new study in Nature Sustainability.
A few ways in which sewage sludge, the by-product of wastewater treatment, can be turned into a valuable raw material – though most are still at the experimental stage.
Aeration in activated sludge tanks accounts for 50–65% of the total energy use of conventional biological treatment plants, the most common type worldwide. The efficiency of membrane diffusers is directly linked to a plant's operating costs.
A new study commissioned by the European Commission puts a figure, for the first time, on the social and economic price Europe pays for PFAS pollution – and on the difference between acting and doing nothing.
An international study on the resource recovery potential of wastewater: water, energy, nutrients, critical trace materials and carbon in one integrated system.
A comparative study of Chinese and European wastewater treatment plants shows that indirect emissions and energy use are the critical obstacles to cutting their carbon footprint.






