Treatment of acid mine drainage by hydrides, and formation of zero valent iron nanoparticles
US10815138B1 · kind B1 · utility
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Key dates
| Filing date | Feb 7, 2019 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Feb 7, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C2200/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Acid mine drainage is treated with borohydride under conditions to yield highly pure iron nanoparticles. The resulting, unique, iron nanoparticles are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.