Process for electrodialysis of sugar solutions
Abstract
Abstract A DESALINATION PROCESS FOR THE REMOVAL OF SALTS FROM SUGAR SOLUTIONS BY ELECTRODIALYSIS IN A CELL HAVING IONPERMEABLE MEMBRANES ALTERNATIVELY DISPOSED BETWEEN THE ELECTRODES BY CONTACTING THE SUGAR SOLUTION WITH THE ALTERNATELY DISPOSED ION-PERMEABLE MEMBRANES COMPRISING HAVING AN ANION EXCHANGE MEMBRANE AN ION-PERMEABLE MEMBRANE WITH AN ION EXCHANGE CAPACITY OF LESS THAN ABOUT 0.3 MILLIEQUIVALENT/GRAM OF DRY MEMBRANE AND HAVING AS THE CATION EXCHANGE MEMBRANE AN ION-PERMEABLE MEMBRANE HAVING CATION PERMSELECTIVITY. THE DESALINATION PROCESS CAN BE ADVANTAGEOUSLY USED IN SUGAR REFINING WITH ADDITIONAL SUGAR REFINING TECHNIQUES, SUCH AS ADSORPTION OR CARBONATION. D R A W I N G
Inventors
- 👤 M Sugiyama
- 👤 A Nakamura
- 👤 T Yamauchi
- 👤 Y Takatori
- 👤 R Touyama
- 👤 M Kato
- 👤 Y Nakashiba
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |