Question

A hollow fiber enzyme reactor (HFER) consists of 5000 fibers. Each fiber has an internal diameter of 0.04 cm, and on the inside surface of the fibers, an enzyme has been immobilized that removes a toxin from plasma that is flowing through the inside of the fibers. The enzyme reaction is very fast, so a reasonable assumption is that the concentration of the toxin at the surface of the hollow fiber is equal to zero. The HFER operates at 37°C, and the plasma enters at a total flow rate of 200 mL/min. The concentration of the toxin in the plasma that enters the HFER is 1 mg/L, and its MW is 636 g/mol. If the fibers in the HFER are 50 cm in length, what is the concentration of the toxin in the plasma as it leaves the HFER?

Answer 1

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