期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 414, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2021.113268
关键词
A-Inorganic compounds; A-Layered compounds; A-Composites; B-Chemical synthesis; D-Catalytic properties
资金
- University of Zanjan
Research has shown that the photocatalytic process is more efficient than the adsorption process under visible light, and adsorption can enhance the efficiency of the photocatalytic process, aiding in the removal of organic pollutants from water.
Today, the photocatalytic process in visible light has become one of the most attractive water treatment fields. We prepared a NiFe2O4-MMO composite with Zn-Al LDH and NiFe2O4 that have good photocatalytic properties in visible light. Structural studies on the samples were performed by X-ray diffraction pattern (XRD) analysis and scanning electron microscopy (FE-SEM). Also, diffusion reflection spectroscopy (DRS) analysis was used to evaluate the optical properties of the samples. In this study, the mechanisms of adsorption and photocatalytic processes were investigated. The kinetics of adsorption and photocatalytic processes was also evaluated. The rate of the photocatalytic process is higher than the rate of the adsorption process, so the surface of the photocatalyst is not saturated. As a result, the adsorption process increases the efficiency of the photocatalytic process, which indicates the synergistic effect of adsorption-photocatalytic to improve the process of removal of organic pollutants from contaminated water.
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