biostudies-literatureCorrea-Coyac DConsejo Nacional de Ciencia y Tecnología in the 2019 call “Apoyos para adquisición y mantenimiento de infraestructura en instituciones y laboratorios de investigación especializada”Consejo Nacional de Ciencia y TecnologíaInstituto Politécnico Nacionalcall “Ciencia de Frontera”4855https://www.ebi.ac.uk/biostudies/studies/S-EPMC10343540biostudies-literatureUnknown16(13)Natural zeolite is a widely used material with excellent environmental cleaning performance, especially in water and wastewater treatment. Natural zeolite (Z_ini) calcined by CO₂-laser radiation (ZL) was tested as a catalyst for the photodegradation and the adsorption of industrial azo dye Lanasol Yellow 4G (LY4G) in water. Morphology, chemical structure, and surface composition of Z_ini and ZL were analyzed by XRD, SEM, EDS, and XPS. UV/Visible spectrophotometry was used to evaluate the photocatalytic activity of Z_ini and ZL. The photocatalytic activity of the studied zeolites was associated with the presence of Fe oxides in their composition. Laser-treated natural zeolite showed higher efficiency as a photocatalyst compared to untreated natural zMaterials (Basel, Switzerland)Adsorption and Photodegradation of Lanasol Yellow 4G in Aqueous Solution by Natural Zeolite Treated by CO₂-Laser Radiation.PMC10343540CONACyT 302670SIP-20220837CF-2019/6669302670SIP-20220296Cruz-Narvaez YCorrea-Coyac DMichtchenko ARivera-Talamantes CFJShulga YMCastro-Arellano JJZacahua-Tlacuatl GSanpedro-Diaz MfalseAdsorption and Photodegradation of Lanasol Yellow 4G in Aqueous Solution by Natural Zeolite Treated by CO₂-Laser Radiation.Natural zeolite is a widely used material with excellent environmental cleaning performance, especially in water and wastewater treatment. Natural zeolite (Z_ini) calcined by CO₂-laser radiation (ZL) was tested as a catalyst for the photodegradation and the adsorption of industrial azo dye Lanasol Yellow 4G (LY4G) in water. Morphology, chemical structure, and surface composition of Z_ini and ZL were analyzed by XRD, SEM, EDS, and XPS. UV/Visible spectrophotometry was used to evaluate the photocatalytic activity of Z_ini and ZL. The photocatalytic activity of the studied zeolites was associated with the presence of Fe oxides in their composition. Laser-treated natural zeolite showed higher efficiency as a photocatalyst compared to untreated natural z2023-01-01T00:00:00Z2023 Jul2026-04-08T10:30:44.341Z2026-04-08T01:28:21.897ZS-EPMC103435403744516810.3390/ma16134855