| 95 / | HD | GAS SEPARATION: PROCESSES |
| 90 | DF | SOLID SORPTION {8} |
| 141 | DF | .~ Organic gas or liquid particle sorbed (e.g., vapor, mist, etc.) {2} |
| 143 | | .~.~ Hydrocarbon sorbed {4} |
| 144 | DF | .~.~.~> Alkene sorbed |
| 145 | DF | .~.~.~> Alkyne sorbed (e.g., acetylene, etc.) |
| 146 | DF | .~.~.~> Gasoline sorbed |
| 147 | DF | .~.~.~> Benzene ring containing compound sorbed |