A 1000 L completely mixed reactor receives a constant inflow of 250 L/day. The inflow is free of chemicals and the reactor also initially contains no chemicals. An instantaneous chemical load of 0.25 kg (pulse loading) and a continuous load of 0.5 kg/day (step loading) are simultaneously applied to the reactor. The applied chemical decays with a first-order rate constant of 0.25 /day. Use the above information to answer the following: (a) Using mass balance, develop the equation for the change in chemical concentration in the reactor (C) in terms of the loading (L) and the rate of change (X).
A 1000 L completely mixed reactor receives a constant inflow of 250 L/day. The inflow is free of chemicals and the reactor also initially contains no chemicals. An instantaneous chemical load of 0.25 kg (pulse loading) and a continuous load of 0.5 kg/day (step loading) are simultaneously applied to the reactor. The applied chemical decays with a first-order rate constant of 0.25 /day. Use the above information to answer the following: (a) Using mass balance, develop the equation for the change in chemical concentration in the reactor (C) in terms of the loading (L) and the rate of change (X).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 1000 L completely mixed reactor receives a constant inflow of 250 L/day. The inflow is free of chemicals and the reactor
also initially contains no chemicals. An instantaneous chemical load of 0.25 kg (pulse loading) and a continuous load of 0.5
kg/day (step loading) are simultaneously applied to the reactor. The applied chemical decays with a first-order rate
constant of 0.25 /day. Use the above information to answer the following:
(a) Using mass balance, develop the equation for the change in chemical concentration in the reactor (d) in terms of the
loading (L) and the rate of change (X).
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Transcribed Image Text:(b) Specify the values of:
1. initial concentration, Co (mg/L).
II. loading, L (mg/L-day).
III. rate of change, A (/day) for this system.
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