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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

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

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
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

 

 

Problem 4 Breakthrough curve 200 180 160 140 120 100 80 60 40 20 500 1000 1500 2000 2500 3000 3500 Volume treated, L Ceff, mg/L
Transcribed Image Text:Problem 4 Breakthrough curve 200 180 160 140 120 100 80 60 40 20 500 1000 1500 2000 2500 3000 3500 Volume treated, L Ceff, mg/L
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