| 95 / | HD | GAS SEPARATION: PROCESSES |
| 149 | DF | LIQUID CONTACTING (E.G., SORPTION, SCRUBBING, ETC.) {20} |
| 187 | DF | .~ And recycle or reuse of contact liquid for further contact {6} |
| 188 | DF | .~.~ After separation of liquid from contact liquid {5} |
| 193 | DF | .~.~.~ By heating (e.g., fractional distillation, etc.) {1} |
| 194 | | .~.~.~.~ Indirect heat exchange |