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Historical Development of Sewage and Water Treatment

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Presentation on theme: "Historical Development of Sewage and Water Treatment"— Presentation transcript:

1 Historical Development of Sewage and Water Treatment
Professor Nick Gray Centre for the Environment Trinity College University of Dublin © Tigroney Press

2 Water and Wastewater Treatment: The start
13-14th centuries 1291 R. Fleet and the White Friars of Sherbourne (Shitebourne)Lane Edward III Sanitary Ordinaces Shyte (n) shite (v)

3 Water and Wastewater Treatment: The start
15th Century Garderobe French Garder: to robe (wardrobe)

4 Water and Wastewater Treatment: The start
16th Century Close stools, cesspits and gongfermors Chamber pots ‘gardez l’eau’

5 Water and Wastewater Treatment: The start
1592 Sir John Harrington Metamorphosis of Ajax TCD founded

6 Water and Wastewater Treatment: The start
19th century Land Reform Acts; industrialization and rapid city growth 1838 Chlorea arrives ,000 die Chadwick Report: destitution and disease linked

7 Water and Wastewater Treatment: The start
1848 Snow links cholera to water contamination

8 Water and Wastewater Treatment: The start

9 Water and Wastewater Treatment: The start
1852 Illegal to draw water from Thames within City 1848 Public Health Act: compulsory to drain houses to sewers 1858 Great Stink 1865/68 Royal Commission on River Pollution Reports

10 Water and Wastewater Treatment: The start
1870’s London’s Intercepting sewers completed. Death rate falls. Sir Joseph Bazalgette

11 Water and Wastewater Treatment: The start
Construction was a massive undertaking 83 miles in length Requiring pumping stations Outfall pumping stations Creation of embankments by reclaiming marshes to hide sections of sewer

12 Water and Wastewater Treatment: The start
1876 River Pollution Prevention Act: ‘Wastewater to be free from all excrementations or other foul or noxious matter’ Problems: Only land treatment available at time Industry had no incentive to treat wastewater Rivers no longer used for drinking Rivers traditionally provided cheap disposal

13 Water and Wastewater Treatment: The start
1865 Land treatment used (sewage farms). (0.05 m3m-2d-1 or 1000 people per acre). 1900 Birmingham 2,800 acres and growing by 1.5 acres per week.

14 Water and Wastewater Treatment: The start
1880s Role of bacteria identified 1894 Percolating filters Salford 1914 Activated sludge Manchester 2007 In UK 9,260 WWTWs treat 20 x 106 m3 wastewater each day 2008 London’s sewers are now being replaced by new deep 7m diameter super sewers to deal with surface water

15 Further reading:


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