Enhanced adsorption desulfurization performance of metal-modified Y zeolites
Year: 2025
Type: article
Abstract: Y-zeolite is a promising adsorbent for removing organic sulfides from fuel. However, its application is limited by low adsorption capacity for refractory sulfur compounds. In this study, metal-modified Y-zeolite (MY) adsorbents, incorporating Ru³⁺, Bi³⁺, Zr⁴⁺, and Sb³⁺ ions, were successfully synthesized via a solid-state reaction method. X-ray diffraction analysis confirmed that metal ion incorporation did not alter the crystalline framework of Y-zeolite. Nitrogen adsorption–desorption isotherms revealed that the Ru-modified Y-zeolite (RuY) possessed a notably high specific surface area of 735.23 m²/g, whereas NH₃-temperature programmed desorption (NH₃-TPD) measurements showed that it also had the highest concentration of acidic sites (2.375 mmol/g). The effects of metal ion type, loading amount, and oxidation state on thiophene removal were systematically investigated via batch adsorption experiments. Sulfur removal efficiency increased in the following order: HY (43%)
Authors: Jiefei Li, Xianrong Meng, Mingyang Song, Mei Xue
Language: English
Subfield: Mechanical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4413337429