Synthesis of Novel Mesoporous Adsorbent for Ultra-Deep Desulfurization of Hydrotreated Diesel by Structure-Directing Method

Thursday, November 11, 2010: 2:10 PM
250 A Room (Salt Palace Convention Center)
Wangliang Li, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China

Wangliang Li1, *, Huang Tang1, 2, Ting Zhang1, 2, Qiang Li1, 2, Jianmin Xing1, *, Huizhou Liu1 1. National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, P.O. Box 353, Beijing 100190, China 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Abstract Adsorption desulfurization can be operated under ambient conditions, a green process, to produce ultra-deep sulfur diesel. Mesoporous aluminosilicates (MAS) were synthesized by structure-directing method with zeolite NaY as precursor and applied as ultra-deep desulfurization adsorbents for hydrotreated diesel. The effect of aging time of NaY precursor on desulfurization properties was thoroughly studied. MAS were modified by direct-assembly of superparamagnetic particles Fe3O4. The optimal content of Fe3O4 in magnetic mesoporous aluminosilicates (MMAS) was 15.23%. The sulfur adsorption of MMAS was due to the synergetic effect of strong molecular affinity of the magnetite to the sulfur compound and large surface area/pore volume of the mesoporous aluminosilicates.

Key Words: Desulfurization; Adsorption; Aluminosilicates; Structure-directing Method

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See more of this Session: Adsorbent Materials II
See more of this Group/Topical: Separations Division