Question 3 (2 points) A processor has a protein solution and wishes to concentrate it using a membrane filtration system. Which type of membrane would be most appropriate for this system (pick the one that would work the BEST). Ultrafiltration membrane Nanofiltration Membrane Reverse Osmosis Membrane Microfiltration Membrane Question 4 (2 points) What is the concentration factor of a membrane filtration process where you start with 735 kg of feed solution and collect 205 kg of permeate solution? Express your answer to three decimal places