Patent US3783114A successfully refreshed from Google Patents.
US3783114A
Expired / Lapsed
US
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Method of electrolytic treatment of waste water
Assignee: Mitsui Kinzoku Co Ltd
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Filing: 1972-02-18
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Granted: 1974-01-01
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Expires: 1992-02-18
Abstract
Abstract A METHOD OF ELECTROLYTIC TREATMENT OF INDUSTRIAL WASTE WATER, WHICH COMPRISES THE STEPS: ELECTROLYSIS IS CONDUCTED BY INTRODUCING SAID INDUSTRIAL WASTE WATER AS THE ELECTROLYTE INTO AN ELECTROLYTIC CELL EQUIPPED WITH VERTICALLY SUSPENDED ANODES AND HORIZONTAL CATHODES DISPOSED CLOSE TO THE BOTTOM OF THE CELL, THE SCUM ARISING FROM THE ELECTROLYSIS OF THE HEAVY METAL IONS, FATS AND OILS INCLUDING ANIAL, VEGETABLE AND MINERAL OILS, VARIOUS FINE, SOLID FLOATING MATTERS, ETC. IS TAKEN OUT FROM THE UPPER PART OF THE ELECTROLYTIC CELL, AND THE ELECTROLYTICALLY PURIFIED WASTE WATER IS TAKEN OUT FROM THE LOWER PART OF THE ELECTROLYTIC CELL.
Inventors
- 👤 M Ishii
- 👤 M Ichiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:49
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/465; C02F1/463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |