6. 7. T Is UV disinfection more likely to be used by drinking water utilities that use groundwater or surface water sources? Explain your answer. Hint: are viruses, protozoa, or bacteria more of a concern with groundwater or surface water? 8. L Treatment facilities have multiple ion exchange resin present in series. Why? A desert community pumps groundwater from an aquifer that contains a hazardous amount of arsenic. The community has no alternative water sources. List at least two advantages and disadvantages of using reverse osmosis for this application relative to ion exchange.

6. 7. T Is UV disinfection more likely to be used by drinking water utilities that use groundwater or surface water sources? Explain your answer. Hint: are viruses, protozoa, or bacteria more of a concern with groundwater or surface water? 8. L Treatment facilities have multiple ion exchange resin present in series. Why? A desert community pumps groundwater from an aquifer that contains a hazardous amount of arsenic. The community has no alternative water sources. List at least two advantages and disadvantages of using reverse osmosis for this application relative to ion exchange.

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter8: Landfills

Section: Chapter Questions

Problem 8.13P

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