Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330955 | Method for recovering high-purity sodium bromide from bromine-containing crude salt | Guanjun Li | 2025-06-17 |
| 12119464 | Method for preferentially recovering manganese from waste lithium-rich manganese-based cathode material | Xiaoguang Zhang, Yifan Wang, Qijun Zhang, Wei Wang | 2024-10-15 |
| 12054673 | Green resource-generating method based on thermal mass synergy of waste integrated circuit board | Yufeng Wu, Tieyong Zuo | 2024-08-06 |
| 12006268 | Method for preparing ecological foamed ceramic from lepidolite filter mud whole waste | Xiaoguang Zhang, Ruhao Kong, Qijun Zhang, Zhe Tan, Wei Wang | 2024-06-11 |
| 11964902 | Method for preparing lead smelting slag glass-ceramics based on the oxidation of silicon-rich silicon smelting slag and composition adjustment | Yufeng Wu, Xiaomin Liu | 2024-04-23 |
| 11858822 | Method of separating and recovering bromine from printed circuit board incineration ash by two-step process | Yufeng Wu | 2024-01-02 |
| 11447846 | Comprehensive recovery method of pyrolysis polymetallic product from waste integrated circuit board | Yufeng Wu, Bin Li | 2022-09-20 |
| 11447845 | Method for enriching precious metals from printed circuit board incineration ash from molten pool by circulating chlorination | Yufeng Wu, Bin Li | 2022-09-20 |
| 11198615 | Method of pretreatment and bromine recovery of PCB incineration ash | Yufeng Wu, Bin Li, Tieyong Zuo | 2021-12-14 |
| 10954125 | Method of recovering bromide from bromine-containing smelting ash | Yufeng Wu | 2021-03-23 |
| 10626053 | Method for recovering valuable metals and simultaneously preparing ceramsite by roasting cyanide tailing | Yufeng Wu, Xudong Sun, Tieyong Zuo | 2020-04-21 |
| 9796022 | Pollution-free method for recycling iron-based grinding waste | Shengen Zhang, Bo Liu, Jianjun Tian, Bin Li | 2017-10-24 |
| 9689055 | Complete non-cyanogens wet process for green recycling of waste printed circuit board | Shengen Zhang, Bin Li, Jianjun Tian, Bo Liu | 2017-06-27 |
| 9322083 | Technologies of twice dissolved by hydrochloric acid for waste rare earth luminescent materials | Shengen Zhang, Hu Liu, Jianjun Tian, Min Yang | 2016-04-26 |