| 210 / | HD | LIQUID PURIFICATION OR SEPARATION |
| 198.1 | ![]() | WITH MEANS TO ADD TREATING MATERIAL {5} |
| 198.2 | DF | .~> Chromatography {1} |
| 199 | DF | .~> Spaced along flow path |
| 200 | DF | .~> Plural distinct separators {2} |
| 205 | DF | .~> With distinct reactor tank, trough or compartment {2} |
| 209 | DF | .~> Directly applied to separator {5} |