These are the graphs that belong to Chapter 17. Feel free to
download them and use in the course work.
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Figure 17.2. Water resources on Earth.
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Figure 17.3a. The water consumption cycle.
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Figure 17.3b. The natural water cycle.
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Figure 17.4. Water use in Stockholm between 1860 and 2000.
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Figure 17.5. Industrial water use in Sweden in 2000.
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Figure 17.7. Waterborne diseases.
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Figure 17.8. A map from a 1969
proposal to lead all wastewater from Stockholm to an outfall in the Baltic Sea.
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Figure 17.9. A history of municipal wastewater treatment in Sweden.
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Figure 17.11. Historical
identification of water pollution problems in Europe.
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Figure 17.12. Two types of wastewater collection systems.
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Figure 17.14a. Impact on the
recipient by discharges from municipal wastewater treatment plants in
Sweden. Organic matter BOD7
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Figure 17.14b. Impact on the recipient by discharges from municipal
wastewater treatment plants in Sweden. Phosphorous.
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Figure 17.14c. Impact on the
recipient by discharges from municipal wastewater treatment plants in
Sweden. Nitrogen.
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Figure 17.15. Wastewater treatment technology.
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Figure 17.18. Chemical treatment of wastewater.
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Figure 17.20. Sludge methods.
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Figure 17.22. Wetlands for wastewater treatment.
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Figure 17.23. Industrial wastewater treatment.
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Figure 17.24. Biological phosphorous removal.
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Figure 17.25. Nitrogen removal.
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Figure 17.26. Combined nitrogen and phosphorous removal.
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Figure 17.33. Ways to improve wastewater treatment.
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