Question: Two process streams are mixed, M and M2, to produce one feed stream, M3, for a chemical mixing process as shown in Figure (at steady

 Two process streams are mixed, M and M2, to produce one

Two process streams are mixed, M and M2, to produce one feed stream, M3, for a chemical mixing process as shown in Figure (at steady state condition). The concentration of component A in stream 1. C, is 6 g/L and in stream 2, C2, is 2 g/L, respectively. A ratio control valve is fixed for stream 1 and stream 2 to maintain the feed flow rate entering to the mixing tank. A volumetric flow rate of 20 L/min is set in the ratio controller, i.e. Vi+ V2 = 20 L/min Volume of the mixing tank, V, is 250 L. Mass flow indicator (FI 01) reads a mass flow rate of 80 g/min at steady state. a) Determine the mass flow rates of stream 1 and stream 2 under steady state condition b) Determine the transfer function and its response, when the mass flow indicator reads 100 g/min (assume step change). = FI 01 Stream 1 G = 6 1 Stream 3 M. = 80 g/min M, 39 V50L Se point FIC 01 20 L min Stream Elo fcactos Siram Assume valve opening of both streams (streaml and strearn2) follows linear percentage opening. ie. 0-20 L min, with SL min opening for each step

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