NDLI: Removal of sulfur compounds in FCC raw C$_{4}$ using activated carbon impregnated with CuCl and PdCl$

Content Provider	Springer Nature Link
Author	Kim, Kyu sung Park, Sun Hee Park, Ki Tae Chun, Byung Hee Kim, Sung Hyun
Copyright Year	2010
Abstract	Fluid catalytic cracking (FCC) is one of the most important refinery processes for economical efficiency that produces commercial fuels with acceptable concentrations of sulfur. Several activated carbon (AC) based adsorbents were studied to develop a more efficient adsorbent for removal of mercaptanes and sulfides during the FCC C4 refinery process. The adsorbents were prepared by impregnating AC with CuCl and PdCl$_{2}$. To evaluate the degree of metal halide impregnation into the AC support, each adsorbent was characterized by N$_{2}$ adsorption, elemental analysis (EA) and XRF. Three types of ACs were used to investigate the effect of the structural properties such as surface area, total pore volume and pore size distribution. From this analysis, an AC micro pore size of 0.7 nm was found to be the most effective support material for FCC C$_{4}$ removal of sulfur compounds. The experimental adsorption isotherms were compared with Langmuir and Freundlich models and were found to fit the Freundlich model much better than the Langmuir model. The sulfur removal performance of the prepared adsorbents was tested using the breakthrough experiments. The sulfur adsorption capacities of adsorbents decreased in the following order: AC impregnated PdCl$_{2}$, AC impregnated CuCl and non-impregnated AC (NIAC). The saturated adsorbents were regenerated by toluene treatment and reactivated at 130 °C under a vacuum.
Starting Page	624
Ending Page	631
Page Count	8
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	27
Issue Number	2
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2010-01-02
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sulfur Removal Desulfurization Adsorption Activated Carbon Adsorbent CuCl Adsorbent PdCl$_{2}$ Adsorbent Impregnation FCC Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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