Preparation method and application of zero-valent aluminum/iron-bearing clay composite for catalyzing persulfate to oxidize organics
US11534738B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2022 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jul 21, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2101/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A preparation method and application of a zero-valent aluminum/iron-bearing clay composite for catalyzing a persulfate to oxidize organics are provided, which belongs to the field of water environmental treatment. A novel catalyst is prepared by an iron-bearing clay and a zero-valent aluminum through a simple ball milling method, for achieving the effect of activating a persulfate to efficiently oxidize and degrade refractory organics in water. The preparation method and operation process thereof are simple. Compared with a chemical synthesis method, the method of the present disclosure brings about less secondary pollution, and has a shorter synthesis time, higher yield and lower cost. The modified material is the natural iron-bearing clay, which is widely available, non-toxic and stable as a heterogeneous catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.