Oxidized technology for metal structured packing
oxidized technology is to have the metal packing/ring oxidized.
After the oxidizing process, the packing has water-holding rate increased, there will be oxygen atoms attached to the surface of the metal. The oxygen atoms are hydrophilic, so the water holding rate will increase, it is also known as the film rate, which increases the mass transit time in the Distillation process, thereby the efficiency is improved.
The below photo show the difference before oxidized and after oxidized.
Currently, we are able to have structured packing, Dixon ring, and other metal random packings oxidized.