Manchester SciBar: 'Songs from the Sewers' Before the introduction of sanitation technology, many people died from water-borne diseases such as typhoid or cholera. As the first industrial city, Manchester was one of the first to suffer from the effects of overcrowding and poor sanitation. Manchester Corporation, therefore, embarked on massive engineering projects to deliver safe drinking water and remove wastewater for treatment. Amazingly, two of the most common technologies for sewage treatment that are now in use around the world were developed in the area:- the Trickling Filter was developed in Salford in 1893; and- the Activated Sludge process was developed at Manchester Corporation's Davyhulme sewage works during 1913-14.This talk will trace the history of sewage treatment and look to the future when we will replace sewage treatment with resource recovery.More information can be found by contacting the British Science Association Manchester Branch. Booking for this event has now closed.