Abstract: The present invention relates to a process for the direct synthesis of a material with a CHA zeolite structure in the silicoaluminate form thereof containing copper atoms, which comprises at least the following steps: (i) Preparation of a mixture which contains at least one water source, one copper source, one polyamine, one source of Y tetravalent element, one source of X trivalent element, the tetraethylammonium cation as the only OSDA and one source of alkaline or alkaline earth (A) cations, and wherein the synthesis mixture has the following molar composition: YO2:a X2O3:b OSDA:c A:d H2O:e Cu:f polyamine (ii) Crystallization of the mixture obtained in (i) in a reactor; (iii) Recovery of the crystalline material obtained in (ii).
Type:
Application
Filed:
May 3, 2016
Publication date:
May 10, 2018
Applicants:
Consejo Superior de Investigaciones Científicas (CSIC), Univesitat Politècnica de València Ctro. Apoyo a la Innovación
Inventors:
Avelino Corma Canós, Manuel Moliner Marín, Nuria Martin Garcia