10.3 A process used to treat a specific chemical waste is packaged in prefabri-cated reactor modules of fixed volume. The performance of each reactor module is close to that of an ideal CMFR. The reaction is first orderand the existing treatment facility, which consists of one such module,achieves 90removal. by how much can the volumetric treatment capacitybe increased and still achieve 90% removal if a second unit is installed (a)in parallel to the first unit; (b) in series with the first unit? Do a similarcomparison for modules having behavior close to that of ideal PFRS.

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