Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292718 | Process for preparing sulfur from reduction of sulfate/ nitrate by iron-carbon and recovering desulfurization/ denitration agents | Chunyuan Ma, Xiao Xia, Lin Cui, Liqiang Zhang, Xiqiang Zhao +2 more | 2022-04-05 |
| 11286162 | System and method for recovering sulfur in copper smelting process | Chunyuan Ma, Xiao Xia, Xiqiang Zhao, Jun Li, Shizhen Zhang | 2022-03-29 |