As a process engineer at the J.W. Membrane Company, your new assignment is to design a PVDF anisotropic membrane manufacturing process for a new line of microfiltration membranes. You plan to use roll-to-roll fabrication and solvents that are already used in your facility: N-methyl-2-pyrrolidone (NMP), dichloromethane (DCM), and water.A. Perform the necessary calculations to choose the appropriate solvent for the polymer dope solution and the solvent for the coagulation bath. Be quantitative in your answer. Cite physical properties from the literature. B. What other factors should be considered when choosing a solvent? C. Your boss approves you to choose a new “green” solvent, find an alternative to the solvent you selected in part A and justify your choice. Be quantitative.

A. To choose the appropriate solvent for the polymer dope solution and the solvent for the…

Answered: As a process engineer at the J.W.…

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

Section: Chapter Questions

Problem 1.1P

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As a process engineer at the J.W. Membrane Company, your new assignment is to design a PVDF anisotropic membrane manufacturing process for a new line of microfiltration membranes. You plan to use roll-to-roll fabrication and solvents that are already used in your facility: N-methyl-2-pyrrolidone (NMP), dichloromethane (DCM), and water.

A. Perform the necessary calculations to choose the appropriate solvent for the polymer dope solution and the solvent for the coagulation bath. Be quantitative in your answer. Cite physical properties from the literature.

B. What other factors should be considered when choosing a solvent?

C. Your boss approves you to choose a new “green” solvent, find an alternative to the solvent you selected in part A and justify your choice. Be quantitative.

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