Journal
FUEL
Volume 170, Issue -, Pages 100-106Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2015.12.047
Keywords
Desulfurization; Hierarchical porous polymer; Metal impregnation; Thiophene-type S-compounds; Adsorption mechanism
Categories
Funding
- National Basic Research Program of China [2013CB733501]
- National Natural Science Foundation of China [91334203, 21176066, 51208200]
- 111 Project of China [B08021]
- Fundamental Research Funds for the Central Universities of China
- project of FP7-PEOPLE-IRSES [PIRSES-GA-2013-612230]
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A cost-effective hierarchical porous polymer poly-methylbenzene (PMB) was produced using the most common organic compound methylbenzene via a simple one-step Friedel-Crafts reaction. The large surface area as well as the proper mesoporosity ensured it to be a good substrate for loading metal species. After the impregnation of various metal species including PdCl2, Ag+, Fe3+, Ni2+, Zn2+, Cu2+ and Mg2+, a series of efficient desulfurization adsorbents of metal/PMB-x were fabricated. Among them, the PdCl2/PMB-40 adsorbent showed a most promising desulfurization performance with the DBT adsorption capacity as high as 25.97 mgS/g and a second-order desulfurization rate. Fourier transform infrared spectra (FTIR) measurements confirmed the desulfurization mechanism as the formation of S-M binding and pi-complexation. Both high surface area of PMB and highly dispersed PdCl2 nanoparticles contributed to the good desulfurization performance. (C) 2015 Elsevier Ltd. All rights reserved.
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