Absorption process
Abstract
Abstract Absorption process comprising supplying SO3 or water containing gas through a gas supply conduit disposed in the upper portion of a vertical tube having an outlet opening at its lower end; supplying absorbent liquid through a liquid supply conduit disposed in the tube, providing a bath of said liquid disposed below the outlet opening of the tube, passing unabsorbed gas through a gas-filled space, disposed below a horizontal, gaspermeable plate which succeeds the tube and is contained in a housing which communicates with a gas space below the outlet opening of the vertical tube, through said plate and through a layer of the liquid disposed on top of and carried by the gaspermeable plate which layer of liquid is agitated by said gas flowing through the gas permeable plate and through the liquid thereon, discharging the liquid from said layer; and venting unabsorbed gas through a gas outlet opening in the upper portion of the housing.
Inventors
- 👤 Hugo Grimm
- 👤 Karl-Heinz Dorr
Bibliographic Details
Claims Analysis
Total Claims: 10References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |