Reactor for the manufacture of nitric oxide
Abstract
Abstract A REACTION COLUMN FOR CONTINUOUSLY CONVERTING NITROGEN TETROXIDE INTO ANHYDROUS NITRIC OXIDE OF HIGH PURITY WITH STRONG NITRIC ACID AS A CO-PRODUCT ACCORDING TO THE EQUATION 3NO2+H2O->NO+2HNO3. THE COLUMN IS PACKED AND EVEN DISTRIBUTION OF GAS AND LIQUID THROUGHOUT ITS HEIGHTS IS ACHIEVED BY DISTRIBUTORS AND REDISTRIBUTORS POSITIONED WITHIN THE PACKING IN EFFECTIVE ARRANGEMENT WITH THE NO2 AND H2 FEED INLETS. THE NO2 FEED ENTERS THE COLUMN AS LIQUID N2O4. THE COLUMN FURTHER INCLUDES AN ENTRAINMENT SEPARATOR LOCATED WITHIN THE COLUMN AND ABOVE THE UPPERMOST DISTRIBUTOR AND A HEATING MEANS LOCATED WITHIN SAID COLUMN AT THE BASE THEREOF TO STRIP NO2 FROM THE NITRIC ACID CO-PRODUCT PRIOR TO ITS EGRESS FROM THE COLUMN.
Inventors
- 👤 Frank E De Vry
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |