1 Journal of Engineering Research ISSN 2764-1317 DOI 10.22533/at.ed.3173132325047 Journal of Engineering Research v. 3, n. 13, 2023 All content in this magazine is licensed under a Creative Com- mons Attribution License. Attri- bution-Non-Commercial-Non- Derivatives 4.0 International (CC BY-NC-ND 4.0). EFFECT OF CALCINATION ON THE STRUCTURE OF A NATURAL MEXICAN ZEOLITE: STUDY BY XRD AND SEM-EDS José Manuel Sanchez Viveros ‘’Instituto Politécnico Nacional’’, Department of Physics, Mexico City, Mexico Gregorio Zapahua TIacuatl ‘’Instituto Politécnico Nacional’’, Postgraduate Laboratory of Unit Operations, Mexico City, Mexico Estrela Márquez Ramírez ‘’Universidad nacional autonoma’’, Department of Energy, Mexico City, Mexico Isaias Hernández Pérez ‘’Universidad nacional autonoma’’, Department of Basic Sciences, Mexico City, Mexico