A municipality plans to treat 2.7 ML/d of a groundwater that contains 85 µg/L of 1,1,-dichloroethylene (DCE) using granular activated carbon (GAC) adsorption. It is recommended that a 3.66 m diameter pressure vessel containing 9000 kg of Calgon F-400 GAC be used to treat the water. The treatment objective is 5 µg/L DCE. The properties of the GAC are: Calgon Filtrasorb F-400 GAC (12 x 40 mesh) Bulk density, rb, 450 g/L or kg/m3 Freundlich parameters: K = 470 (µg/g)(L/µg)1/n, 1/n = 0.515 Assume that there is no competitive sorption or NOM fouling. Calculate the Empty bed contact time Superficial velocity Service flow rate Maximum specific throughput Minimum carbon usage rate Volume of water treated Bed life How would competitive sorption effect your calculations?
A municipality plans to treat 2.7 ML/d of a groundwater that contains 85 µg/L of 1,1,-dichloroethylene (DCE) using granular activated carbon (GAC) adsorption. It is recommended that a 3.66 m diameter pressure vessel containing 9000 kg of Calgon F-400 GAC be used to treat the water. The treatment objective is 5 µg/L DCE. The properties of the GAC are: Calgon Filtrasorb F-400 GAC (12 x 40 mesh) Bulk density, rb, 450 g/L or kg/m3 Freundlich parameters: K = 470 (µg/g)(L/µg)1/n, 1/n = 0.515 Assume that there is no competitive sorption or NOM fouling. Calculate the Empty bed contact time Superficial velocity Service flow rate Maximum specific throughput Minimum carbon usage rate Volume of water treated Bed life How would competitive sorption effect your calculations?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A municipality plans to treat 2.7 ML/d of a groundwater that contains 85 µg/L of 1,1,-dichloroethylene (DCE) using granular activated carbon (GAC) adsorption. It is recommended that a 3.66 m diameter pressure vessel containing 9000 kg of Calgon F-400 GAC be used to treat the water. The treatment objective is 5 µg/L DCE. The properties of the GAC are: Calgon Filtrasorb F-400 GAC (12 x 40 mesh)
Bulk density, rb, 450 g/L or kg/m3
Freundlich parameters: K = 470 (µg/g)(L/µg)1/n, 1/n = 0.515
Assume that there is no competitive sorption or NOM fouling.
Calculate the
- Empty bed contact time
- Superficial velocity
- Service flow rate
- Maximum specific throughput
- Minimum carbon usage rate
- Volume of water treated
- Bed life
How would competitive sorption effect your calculations?
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