Desulfurization Performance of Cu(II)-Ce(IV)/13X Zeolites for C4 Hydrocarbon

Le Chun Song; Ying Hui Bian; Jin She Chen; Dao Hong Xia

doi:10.4028/www.scientific.net/AMR.926-930.4226

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Desulfurization Performance of Cu(II)-Ce(IV)/13X Zeolites for C₄ Hydrocarbon

Abstract:

Basic research of adsorptive desulfurization was carried out concerning the high total sulfur concentration of C₄ hydrocarbon which was the reason for exceeding total sulfur concentration of MTBE. Based on the screening of active components, Cu (II)-Ce (IV) bimetal ion-exchanged 13X zeolites were prepared. Desulfurization performance of 13X zeolites modified with different metals was investigated by using model C₄ hydrocarbon which contained dimethyl disulfide (DMDS), dimethyl sulfide (DMS), and tert-butyl mercaptan (TBM). The Cu (II)-Ce (IV)/13X zeolites exhibited better desulfurization performance for C₄ hydrocarbon due to the formation of sulfur-metal (S-M) bond between metal and sulfur compounds.