A Pump & Treat water treatment system at a contaminated site is designed to treat 5 m3/d of ground water in a reactor designed as a well mixed system. The effluent must meet quality standards of 25 mg/L of Iron. The treatment reactor’s 20 m3 volume is believed to be insufficient to achieve the standard. The ground water has an iron concentration of 100 mg/L and the treatment reactor has a kinetic constant of 0.5 d-1. – Confirm that the treatment system will NOT meet the effluent quality standards. – If not modify the design by adding a PFR system (using same treatment process and kinetics), what volume should the PFR addition be?
A Pump & Treat water treatment system at a contaminated site is designed to treat 5 m3/d of ground water in a reactor designed as a well mixed system. The effluent must meet quality standards of 25 mg/L of Iron. The treatment reactor’s 20 m3 volume is believed to be insufficient to achieve the standard. The ground water has an iron concentration of 100 mg/L and the treatment reactor has a kinetic constant of 0.5 d-1. – Confirm that the treatment system will NOT meet the effluent quality standards. – If not modify the design by adding a PFR system (using same treatment process and kinetics), what volume should the PFR addition be?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A Pump & Treat water treatment system at a contaminated site is designed to treat
5 m3/d of ground water in a reactor designed as a well mixed system. The effluent
must meet quality standards of 25 mg/L of Iron. The treatment reactor’s 20 m3
volume is believed to be insufficient to achieve the standard. The ground water has
an iron concentration of 100 mg/L and the treatment reactor has a kinetic constant
of 0.5 d-1.
– Confirm that the treatment system will NOT meet the effluent quality
standards.
– If not modify the design by adding a PFR system (using same treatment
process and kinetics), what volume should the PFR addition be?
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