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You are asked to design a reactor to increase the level of oxygen in groundwater (to be used as drinking water) from 2 mg/L to 7 mg/L 02. Two different types of reactors are to be considered (1) a CFSTR, or (2) a sequencing batch reactor (SBR), in which the reactor is filled, left to react, emptied, and the cycle is repeated. It takes 5 min each to fill and empty the reactor (10 min total of filling and emptying time per cycle). In either configuration, air is bubbled through by diffusers in the bottom. Determine which reactor can achieve the treatment goal in less time, given the following information: V = 10000 L lg = 15 L/min = 1.2 min-1 H@25C = 32.3 LL/LG , = 0.21 atm T = 25C R = 0.08206 L - atm/mol - K Cin = 2 mg/L Cout = 7mg/L