Question: 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

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.

Please provide reference of the literature. Also please include calculation to answer number(A) question.

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