Ultra-deep removal of thiophene compounds in diesel oil over catalyst TiO2/Ni-ZSM-5 assisted by ultraviolet irradiating

Alumina supported polymolybdate catalysts utilizing tert-butyl hydroperoxide oxidant for desulfurization of Malaysian diesel fuel

“…9(b) clearly shows that as the catalyst amount and calcination temperature increased, the sulfur removal increased. Desulfurization reaction was intensified because more sulfur molecules were adsorbed on the more active center of the catalyst surface as also obtained by Wang et al [16]. Meanwhile, as can be observed from Fig.…”

Synergistic Effect between Zr-MOF and Phosphomolybdic Acid with the Promotion of TiF4 Template

“…(3) Different heteroatoms and polyatoms result in different acidities and redox abilities, which make the catalytic performances controllable and are beneficial to the design of catalysts [ 7 ]. Various kinds of POMs, phosphomolybdic acid (PMA with a Keggin structure H 3 PMo 12 O 40 ) in particular, have been reported to be efficient catalysts for ODS reaction [ 8 ]. Four types of oxygen atoms exist in the Keggin structure ( Scheme 1 a) .…”

Synthesis and application of different phthalocyanine molecular sieve catalyst for oxidative desulfurization

“…Sulfur in transportation fuels is a major source of notorious and undesirable air pollution [1], which leads directly to the emission of SO 2 and sulfate particulates [2]. Namely, the combustion of sulfur-containing fuels has negative health and environmental effects [3].…”

“…Among different catalysts, HZSM-5 molecular sieve seems to be more suited to be modified because of its uniform and ordered micropores [15], high extensive surface area, as well as charged framework [2,16]. However, a variety of modification techniques are the key factor to improve the shape-selectivity of molecular sieve and catalytic activity [17,18].…”