Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148956 | Systems and methods to treat flue gas desulfurization waste to produce ammonium sulfate and calcium carbonate products | Lucien M. Papouchado, Joseph D. Preston | 2021-10-19 |
| 11066723 | Systems and methods to chemically treat metal-bearing waste streams to recover value-added materials | Lucien M. Papouchado, Joseph D. Preston | 2021-07-20 |