| 96 / | HD | GAS SEPARATION: APPARATUS |
| 234 | DF | GAS AND LIQUID CONTACT APPARATUS FOR GAS SEPARATION INCLUDING MEANS TO REGENERATE, PURIFY, OR SEPARATE CONTACT LIQUID {4} |
| 236 | DF | .~ Gravitational separator for contact liquid {3} |
| 237 | ![]() | .~.~ With heavier component mechanical mover, trap, chamber, or recess in gravitational separator |