Hybrid adsorption and photocatalysis process for water treatment by nickel molybdate |
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| T. Aloui, N. Fourati, H. Guermazi, C. Zerrouki, S. Guermazi |
- Abstract:
- Nickel molybdates were synthesized and tested in photocatalytic applications. Experiments conducted in the dark for one hour, showed a degradation efficiency of 44 % of methylene blue (MB), considered as a model pollutant. This high value was related to the strong adsorption of MB on the oxide particles, due to the synergistic effect of the 2D shape (revealed by scanning electron microscopy) developing a large surface area and their high roughness (estimated from atomic force microscopy measurements). Under visible light for one hour, the degradation efficiency reaches 87%, an improvement of almost 100 % compared to darkness. Attempts to regenerate and reuse nickel molybdate are made four times. The recovery process, which consists of washing particles only with distilled water, is encouraging enough even if not yet optimized.
- Keywords:
- Nickel Molybdate; photocatalytic performance; MB degradation
- Download:
- IMEKO-TC19-2022-04.pdf
- DOI:
- 10.21014/tc19-2022.04
- Event details
- IMEKO TC:
- TC19
- Event name:
- TC19 Symposium: Metrology on Environmental Instrumentation and Measurements (EnvIMEKO 2022)
- Title:
9th EnvIMEKO Symposium of Environmental Instrumentation and Measurements
- Place:
- La Mans, FRANCE
- Time:
- 02 June 2022 - 03 June 2022