Synthesis and characterization of TiO2/ZSM-5 photocatalysts for degradation of rhodamine

• Autorzy: Liu Rulai , Hu Jiapeng , Rau Juiye , Lin Hao , He Huan , Gao Biao , Lai Wenliang

Identyfikatory

DOI

10.37190/epe220203

• Języki publikacji: EN

Abstrakty

EN

ZSM-5 synthesized by the hydrothermal method from raw kaolin clay was used as support to prepare TiO₂/ZSM-5 catalysts via the sol-gel method. All prepared samples were characterized by X-ray fluorescence spectrometry (XRF), X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR), ultraviolet-visible spectroscopy (UV-Vis), transmission electron microscopy (TEM), particle size analysis and surface area measurement. The photocatalytic performance of TiO₂/ZSM-5 was investigated based on rhodamine B (RhB) removal under UV radiation (450-600 nm. The results showed that the kaolin clay was successfully transformed into ZSM-5. The BET surface area and pore size distribution of the synthesized ZSM-5 were 364 m²/g and 0.54 nm, respectively. SEM and TEM revealed that TiO₂ nanoparticles were well distributed on the surface of ZSM-5. The composite TiO₂/ZSM-5 catalyst showed 98.53% removal, which is higher than that of pure TiO₂ (80.13%) due to adsorption and degradation of RhB (5.0 mg/dm³) under 60 min UV light irradiation at 1 g/dm³ photocatalyst loading. The synergistic effect of TiO₂ and ZSM-5, including adsorption, conduction band electron (e^-), and valence-band holes (h⁺), makes the composite superior to pure TiO₂, showing its potential for the degradation of organic dye.

Słowa kluczowe

EN

photodegradation; TiO2; ZSM-5; kaolin clay

PL

fotodegradacja; TiO2; ZSM-5; glinka kaolinowa

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2022
• Tom: Vol. 48, nr 2
• Strony: 29--42
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Liu Rulai

• College of Ecological and Resource Engineering, Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, Wuyi University, Wuyishan 354300, China
• College of Materials and Environmental Engineering, Fujian Polytechnic Normal University, Fuqing350300, Fujian, China

• https://orcid.org/0000-0001-6320-9889

autor

Hu Jiapeng

• College of Ecological and Resource Engineering, Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, Wuyi University, Wuyishan 354300, China

• https://orcid.org/0000-0003-4382-1418

autor

Rau Juiye

• College of Ecological and Resource Engineering, Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, Wuyi University, Wuyishan 354300, China

• https://orcid.org/0000-0002-7838-6818

autor

Lin Hao

• College of Ecological and Resource Engineering, Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, Wuyi University, Wuyishan 354300, China

• https://orcid.org/0000-0003-1587-9444

autor

He Huan

• College of Ecological and Resource Engineering, Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, Wuyi University, Wuyishan 354300, China

• https://orcid.org/0000-0003-3460-2491

autor

Gao Biao

• School of Tourism and Geography Science, Baicheng Normal University, Baicheng, Jilin 137000, China

• https://orcid.org/0000-0002-8447-7724

autor

Lai Wenliang

• Graduate School of Environmental Management, Tajen University, Pingtung, Taiwan

• https://orcid.org/0000-0001-7162-4716

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