A wastewater that has TOC concentration of 200 mg/L is to be treated by a fixed–bed granular carbon adsorption column for a wastewater flow of 227 m3/d, and the allowable effluent concentration, Ceff, is 20 mg TOC/L. A breakthrough curve (see below) has been obtained from an experimental pilot column operated at 2.36 BV/h.
A wastewater that has TOC concentration of 200 mg/L is to be treated by a fixed–bed granular carbon adsorption column for a wastewater flow of 227 m3/d, and the allowable effluent concentration, Ceff, is 20 mg TOC/L. A breakthrough curve (see below) has been obtained from an experimental pilot column operated at 2.36 BV/h.
Other data concerning the pilot column are as follows: inside diameter = 9.5 cm, length = 1.04 m, mass of carbon = 2.98 kg, liquid flowrate = 17.42 L/h, unit liquid flowrate = 0.679 L/s×m2, and the packed carbon density = 401 kg/m3. The design column is to have a unit liquid flowrate of 2.38 L/s×m2. Use the scale-up approach to design the column. Provide the
- volume of design column,
- height and diameter of the column,
- mass of activated carbon required,
- volume of water treated at breakthrough, and
- service time.
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