Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 8, Pages 11559-11566Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2014.03.112
Keywords
A. Sol-gel process; SO2 removal; Mixed oxides; Hydrotalcite
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Funding
- NSFC [21173128]
- PetroChina Innovation Foundation [2012D-5006-0401]
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The TiMgAlCu mixed oxides, based on hydrotalcite-like compounds, was developed as novel SOx removal catalysts for FCC (fluid catalytic cracking) process. The mixed oxides were prepared by modified co-precipitation method and estimated for SOx removal under conditions similar to those of FCC units. XRD, TG/DTA and N-2 adsorption analysis were performed to investigate the physicochemical and textural properties of the samples. The analysis results indicated that all the samples exhibit good dispersion of metal oxides in the matrix. The SOx adsorption reduction tests showed that the novel TiMgAlCu catalysts with 15%Ti and 1% Cu had a good performance on SOx removal. Moreover, the particle size had obvious effect on the adsorption activity of sulfur remove catalysts and the best fit particle size is from 100 to 300 gm. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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