A hollow fiber membrane filtration module has a hydraulic permeability of Lp %3D 10-13 m S'Pa The effective fiber diameter d is 0.1 mm and length L is 0.25 m. When the module works at transmembrane pressure 4p of 106 Pa, temperature T 298 K and use NaCI with concentration C of 1.0 wt% as feed (blood) for calibration, its volumetric flow rate Q is 0.1 m³/day. We only consider pressure and osmosis driven filtration in this question, i.e. no diffusion is considered. Assume the osmotic (Staverman) reflection coefficient o = 1. (1) Calculate the osmotic pressure for this NaCl solution. (Hint: use van 't Hoff law and assume van't Hoff index i = 2 for Na* and CI.) (2) Determine the total fiber number n contained in this module?

A hollow fiber membrane filtration module has a hydraulic permeability of Lp %3D 10-13 m S'Pa The effective fiber diameter d is 0.1 mm and length L is 0.25 m. When the module works at transmembrane pressure 4p of 106 Pa, temperature T 298 K and use NaCI with concentration C of 1.0 wt% as feed (blood) for calibration, its volumetric flow rate Q is 0.1 m³/day. We only consider pressure and osmosis driven filtration in this question, i.e. no diffusion is considered. Assume the osmotic (Staverman) reflection coefficient o = 1. (1) Calculate the osmotic pressure for this NaCl solution. (Hint: use van 't Hoff law and assume van't Hoff index i = 2 for Na* and CI.) (2) Determine the total fiber number n contained in this module?

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter30: Capillary Electrophoresis, Electrochromatography, And Field-flow Fractionation

Section: Chapter Questions

Problem 30.6QAP

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