| Title | Design and Catalytic Behaviour of Hosted in Activated Carbon Foam CoxZn1-xFe2O4 Ferrites |
|---|---|
| ID_Doc | 17814 |
| Authors | Tsoncheva, T; Ivanova, R; Velinov, N; Kovacheva, D; Spassova, I; Karashanova, D; Petrov, N |
| Title | Design and Catalytic Behaviour of Hosted in Activated Carbon Foam CoxZn1-xFe2O4 Ferrites |
| Year | 2021 |
| Published | Symmetry-Basel, 13, 8 |
| Abstract | Carbon foams with different surface functionality and tailored texture characteristics were prepared from mixtures containing coal tar pitch and furfural in different proportions. The obtained materials were used as a host matrix for the preparation of zinc- and cobalt-mixed ferrite nanoparticles. The texture, morphology, phase composition, and the related redox and catalytic properties of the obtained composites were characterized by low-temperature nitrogen physisorption, XRD, SEM, HRTEM, FTIR, Mossbauer spectroscopy, TPR and catalytic decomposition of methanol to syngas. The impact of the carbon support on the formation of Co- and Zn-mixed ferrites was discussed in detail using KIT-6 silica-based modifications as reference samples. The catalytic behavior of the ferrites was considered in a complex relation to their composition, morphology, location in the porous matrix and metal ions distribution in the spinel sub-lattices. The higher amount of furfural in the carbon foam precursor promoted the formation of cobalt-rich, more accessible and highly active methanol decomposition to syngas spinel particles. |
| https://www.mdpi.com/2073-8994/13/8/1532/pdf?version=1629443991 |
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