Spinel oxygen carrier with capability of deeply releasing lattice oxygen as well as preparation method and application of spinel oxygen carrier
By doping Cu, Mn, Ni, Ca, and Sr elements into Fe2O3 oxygen carrier, a spinel oxygen carrier with deep release lattice oxygen capacity was prepared, which solved the problems of insufficient activity, serious surface carbon in the hydrogen production of chemical chains, and achieved efficient recycling of waste plastics and efficient preparation of high-purity hydrogen.
Patent Information
- Application Number
- CN202411955029.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-03-21
AI Technical Summary
In the prior art, Fe2O3 oxygen carriers have problems such as insufficient activity, serious surface carbon and poor circulation stability in the hydrogen production of chemical chains, and lack applications for waste plastics.
By doping elements such as Cu, Mn, Ni, Ca, Sr, etc. into the metal iron-based oxygen carrier AFe2O4 with spinel-type structure, the multi-metal elements are used to show a dilution effect on the A-position atoms of the spinel-type oxygen carrier, and combined with the polymetal effect that promotes lattice oxygen release, a spinel oxygen carrier with deep release lattice oxygen capacity is prepared.
It has achieved efficient recycling and utilization of waste plastics and efficient preparation of high-purity hydrogen, overcomes the problems of insufficient activity of Fe2O3 oxygen carrier, serious carbon surface area and poor circulation stability, improves carbon conversion and hydrogen yield, and meets the requirements of industrial application.