1. Environmental Technology ChimH409 (2-0-1) Michel Verbanck mikeverb@ulb.ac.be 2012 Universite Libre de Bruxelles Welcome @ Bruface Dept Water Pollution Control

2. Course structure Part 1. Introduction (incl. generic methods) Part 2. Air pollution control engineering Part 3. Water & wastewater treatment Part 4. Solid and hazardous wastes

3. Part 3. Water & wastewater treatment

5. Development of human activities changes our World Manhattan island over 400 years

7. Hypoxia Gulf of Mexico "Dead Zone" due to excessive algal growth supported by fertilizer runoff in the Mississippi. Low-oxygen areas appear in red. (NASA and NOAA)

11. Bringing O 2 to the deepest layers of the water reservoir (speece cone, Lake Camanche system)

12. On-site phosphorus removal in a water reservoir floats input support enhancing vegetation growth geotextile barrier

13. requires that all inland and coastal waters within defined river basin districts must reach at least good (ecological) status by 2015 transboundary if necessary defines how this should be achieved through the establishment of environmental objectives and ecological targets for surface waters action plan to be published end 2009 by all Member States European Water Framework Directive 2000/60

17. combined sewer overflow structure

18. Impact of sewage discharges and CSOs

19. Influence of antecedent dry-weather period Flow rate (m 3 /s) evacuated by Brussels main combined sewer

20. Influence of antecedent dry-weather period TSS (g/l)

21. low busy street mediumhighway

22. stormwater tank

25. Cumulative Suspended Solids Load Volume (cumulative discharge)

27.  Effect of rain events upon the concentration of TSS incoming into WWTPs (Walloon Region 2006) TSS flux cumulated full year / TSS flux for dry spells only Volume cumulated full year / Total volume for dry spells only

29. Revised design and operation of roadside gully-pots In Brussels-City the traditional gully-pot type is (ductile iron) 177E type designed decades ago.

30. road grits also reach the wastewater treatment plant