water pollution at the river rhine
Post on 09-Jan-2016
48 Views
Preview:
DESCRIPTION
TRANSCRIPT
Water pollution at the river Rhine
From the German group
Rhine
• One of the most famous rivers in Germany • Longest river in Europe• Source: Grisons in the Swiss Alps• Mouth: North Sea, Hoek van Holland & Rotterdam• Natural border between Germany & France
Water pollution
• Reasons: - waste water of the factories and households - fertilizer in the river- exhaust emissions of power stations (hydroelectric
power station, coal- fired power station, nuclear power plant)
How to solve the problem?
• construct sewage-works• Phosphate-free washing powder• Reduction of inorganic fertilizier
improvement of water quality /more kinds of fishes
Through the ages
Pollution 1985 1992 2000
Ammonium-N2 37.000 16.800 6.800
AOX 4.675 890 1.100
Lead 550 330 250
Cadmium 9 5,9 5,1
Chrome 500 220 150
Phosphorus 32.000 13.000 13.000
Mercury 6 3,2 1,6
Zinc 3.600 1.900 1.400
Pollution of the river Rhine in 1985, 1992 and 2000
A short clip
• http://www.youtube.com/watch?feature=player_detailpage&v=IWIxSVhLiaI
top related