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Adsorptive Removal of Dimethyl Disulfide in Olefin Rich C4 with Ion-Exchanged Zeolites
- Authors
- Lee, Jieun; Beum, Hee Tae; Ko, Chang Hyun; Park, Sung Youl; Park, Jong Ho; Kim, Jong-Nam; Chun, Byung-Hee; Kim, Sung Hyun
- Issue Date
- 18-May-2011
- Publisher
- AMER CHEMICAL SOC
- Citation
- INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, v.50, no.10, pp.6382 - 6390
- Indexed
- SCIE
SCOPUS
- Journal Title
- INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
- Volume
- 50
- Number
- 10
- Start Page
- 6382
- End Page
- 6390
- ISSN
- 0888-5885
- Abstract
- The purpose of this study is to investigate the removal of dimethyl disulfide (DMDS) in the olefin rich Fluid Catalytic Cracking (FCC) C4 hydrocarbon mixture with the ion-exchanged beta-zeolite. Effects of Si/Al ratio, metal cations, and the ion exchange level on the removal efficiency have been accessed by performing the breakthrough experiment with a model C4 mixture of 20 ppm DMDS in 40% n-Butane/60%1-Butene. The metal ions used for the preparation of ion exchanged zeolite are Ag(I), Ni(II), Fe(III), and Cu(I). The adsorption characteristics of 1-Butene and DMDS on the adsorbent have been studied through the temperature programmed desorption (TPD).
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