The Prism gas permeation process developed by the Monsanto Company is selective for hydrogen when using hollow-fiber membranes made of silicone-coated polysulphone. A gas at 16.7 MPa and 40 °C, and containing in kmol/h: 42.4 H2, 7.0 CH4, and 0.5 N2 is separated into a nonpermeate gas at 16.2 MPa and a permeate gas at 4.56 MPa.If the membrane is nonpermeable to nitrogen, the Prism membrane separation factor (SP), on a mole basis for hydrogen relative to methane, is 34.13; and the split fraction (SF) for hydrogen to the permeate gas is 0.6038, calculate the flow of each component and the total flow of non-permeate and permeate gas.Calculate the purity of hydrogen in the permeate gas.

Prism gas permeation process or separation by gas permeation is a membrane-based system. Fluids or…

Answered: Prism gas permeation

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

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Problem 1.1P

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The Prism gas permeation process developed by the Monsanto Company is selective for hydrogen when using hollow-fiber membranes made of silicone-coated polysulphone. A gas at 16.7 MPa and 40 °C, and containing in kmol/h: 42.4 H₂, 7.0 CH₄, and 0.5 N₂ is separated into a nonpermeate gas at 16.2 MPa and a permeate gas at 4.56 MPa.
1. If the membrane is nonpermeable to nitrogen, the Prism membrane separation factor (SP), on a mole basis for hydrogen relative to methane, is 34.13; and the split fraction (SF) for hydrogen to the permeate gas is 0.6038, calculate the flow of each component and the total flow of non-permeate and permeate gas.
2. Calculate the purity of hydrogen in the permeate gas.

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