| 96 / | HD | GAS SEPARATION: APPARATUS | 
| 243 | DF | WITH GAS AND LIQUID CONTACT APPARATUS {16} | 
| 301 | DF | .~ Fixed gas whirler or rotator for gas separation {5} | 
| 314 | DF | .~.~ Liquid contact within whirler or rotator {4} | 
| 317 | DF | .~.~.~ Liquid bath or reservoir for contact {1} | 
| 318 |  | .~.~.~.~ And downstream filter |