Electrolytic softening of water
Abstract
Abstract A method of deionizing water having a dissolved solids content consisting largely of relatively insoluble calcium and magnesium salts by passing through the water a unidirectional electric current of sufficient voltage between electrodes immersed in the water to effect ionization thereof and recovering water substantially deionized and of a lesser degree of hardness. The electrolytic system includes a horizontally disposed container, preferably of dielectric structural material, for the feed water, horizontally spaced electrodes in the container between which the feed water is introduced and controlled means for removing substantially deionized water laterally of the electrodes and other controlled means for removing settled solids from below the space between the electrodes. The anode electrode is inert toward electrolytic action, while the cathode electrode need not be inert since under the conditions of operation it is not substantially corroded.
Inventors
- 👤 Ralph Brewster Thompson
Bibliographic Details
Claims Analysis
Total Claims: 3References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |