Journal
CATALYSIS COMMUNICATIONS
Volume 11, Issue 7, Pages 592-596Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2010.01.001
Keywords
Sulfur K-edge XANES; XRD; Sulfur species; Ni/ZnO; Reactive adsorption desulfurization; Diesel oil
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Funding
- National Basic Research Program of China [2006CB202504]
- National Natural Science Foundation of China [20873174, 10979068]
- Natural Science Foundation of Shanxi Province [2008011014-2]
- Chinese Academy of Sciences [KJCX2.YW.H16, YZ200933]
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Reactive adsorption desulfurization (RAIDS) of diesel oil was conducted over a Ni/ZnO adsorbent; the transfer of sulfur species in the RAIDS process was investigated by the sulfur K-edge X-ray absorption near-edge structure (XANES) and X-ray diffraction (XRD). The results indicted that the organic sulfur compounds in the diesel oil are first decomposed on surface Ni of Ni/ZnO to form Ni3S2, followed by the reduction of Ni3S2 to form H2S, and then H2S is stored in the adsorbent accompanied by the conversion of ZnO into ZnS. (C) 2010 Elsevier B.V. All rights reserved.
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