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
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
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
Transcribed Image Text:Problem 4 Breakthrough curve
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Volume treated, L
Ceff, mg/L
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