“Basically, it’s the same medical dialysis methods used with kidneys. Assuming it can be scaled up,...”
Sorry but you can get just about anything to work at lab scale under controlled conditions. Much much more difficult to transition technology to work in the real world. Seen it many times.
I understand. That’s why I gave the qualifier about having to scale it up to get the benefits. I am aware that what works in a test tube may not work in mile long vats.