An anion-promoted increase of the SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> ratio of zeolites
Chang Sun, Wei Chen, Jianyu Wang, Shuang Wang, Zhe Ma, Mengyang Chen, Anmin Zheng, Wenfu Yan, Jihong Yu
Abstract
The SiO 2 /Al 2 O 3 ratio of zeolites was improved by addition of NaI due to the promotion of I − for the formation of Si–O–Si bonds and the inhibition of I − for the formation of Si–O–Al bonds.
Topics & Concepts
IonChemistryMaterials scienceOrganic chemistryZeolite Catalysis and SynthesisChemical Synthesis and CharacterizationMesoporous Materials and Catalysis