Why WFE/SPD?
Wiped film distillation is widely considered the best option for distillations of heat sensitive materials. The reason for this is wiped film distillation is a continuous process. The feed material enters the cylindrical still body and flows down the inside wall of the cylinder.
Common Distillation Problems Part 3
Sometimes you know that this product is made using a wiped film still, but you just aren’t getting the results you need. In these cases, please reach out. I can provide a quick, free review of your process and give a straight answer about feasibility. I should be able to tell if the desired separation will be straightforward, impossible or challenging.
Don’t Forget the Wipers!
When dialing in a wiped film still, users focus on the big three levers of Feed Rate, Vacuum and Temperature.
This is the correct approach as these three controls have the majority of the power when controlling a wiped film distillation.
However, it is critical to remember the wipers as well.
Common Wiped Film Distillation Problems: Part 2
A material may run perfectly one time, and then the next time it gives you all kinds of trouble. These distillations can be finicky, even for the experienced practitioner.
Common Wiped Film Distillation Problems: Part 1
When working well, wiped film distillation is low maintenance and easy to run. Wiped film stills can quickly distill large volumes of material. They offer low residence times and minimal heat exposure, so even the most sensitive distillations can be processed quickly and well.
When not working well, wiped film distillations can make you pull out your hair.