A novel V-doped CeO2loaded alkali-activated steel slag-based nanocomposite for photocatalytic degradation of malachite green
| Autor: | Zhang Li, Yao Jun Zhang, Wei Long Zhang, Le Kang, Zhang Ke, Meng Yang Yang |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Materials science
Vanadium chemistry.chemical_element 02 engineering and technology 010402 general chemistry 01 natural sciences Catalysis chemistry.chemical_compound Materials Chemistry Ultraviolet light Electrical and Electronic Engineering Calcium silicate hydrate Malachite green Nanocomposite Metallurgy 021001 nanoscience & nanotechnology Condensed Matter Physics 0104 chemical sciences Electronic Optical and Magnetic Materials chemistry Chemical engineering Control and Systems Engineering Ceramics and Composites Degradation (geology) Crystallite 0210 nano-technology |
| Zdroj: | Integrated Ferroelectrics. 170:1-9 |
| ISSN: | 1607-8489 1058-4587 |
| DOI: | 10.1080/10584587.2016.1165572 |
| Popis: | In the present study, V-doped CeO2 loaded alkali-activated steel slag-based nanocomposite (V-CeO2-ASSN) as a novel catalyst for photocatalytic degradation of malachite green dye was firstly reported. X-ray diffraction (XRD) results demonstrated that there were mainly mineral phase of calcium silicate hydrate (CSH) and lawsonite, (CaAl2Si2O7(OH)2·H2O) in the alkali-activated steel slag-based nanocomposites, and CeO2 crystallite size is close to 20 nm dispersed on the surface of ASSN. The photocatalystic activity of vanadium doped CeO2 loaded alkali-activated steel slag-based nanocomposite catalyst showed high degradation efficiency of malachite green (MG) dye under ultraviolet light irradiation, and the highest degradation rate can reach 100%. The photocatalytic degradation belongs to the first-order reaction kinetics. |
| Databáze: | OpenAIRE |
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