For each of the following indicate if the designated technology is appropriate for the indicated water-quality problem. Explain why or why not (answer in no more than a few sentences). a. A 60-micron household filter for cryptosporidium. b. Ion exchange for waste contaminated by radioactive cesium and strontium. c. A strong-base ion exchange resin for nitrate. d. Slow sand filtration for highly turbid water. e. Activated carbon for groundwater contaminated by BTEX (benzene, toluene, ethylbenzene, and xylene) from a gasoline spill. f. Filtration for taste and odour. g. Lime treatment for hardness of 90 mg/L as CaCO3. h. Ion exchange for hardness of 90 mg/L as CaCO3. i. Lime treatment for iron. j. Suspended sediment removal in a vigorously mixed fully-mixed tank.

For each of the following indicate if the designated technology is appropriate for the indicated water-quality problem. Explain why or why not (answer in no more than a few sentences). a. A 60-micron household filter for cryptosporidium. b. Ion exchange for waste contaminated by radioactive cesium and strontium. c. A strong-base ion exchange resin for nitrate. d. Slow sand filtration for highly turbid water. e. Activated carbon for groundwater contaminated by BTEX (benzene, toluene, ethylbenzene, and xylene) from a gasoline spill. f. Filtration for taste and odour. g. Lime treatment for hardness of 90 mg/L as CaCO3. h. Ion exchange for hardness of 90 mg/L as CaCO3. i. Lime treatment for iron. j. Suspended sediment removal in a vigorously mixed fully-mixed tank.

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter5: Separation Processes

Section: Chapter Questions

Problem 5.22P

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