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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ying Chen Baohui Wang Xue Sun Hui Li |
| Copyright Year | 2011 |
| Description | Author affiliation: Light dydrocarbon fractionation branch of chemical corp., PetroChina Daqing Oilfield, Heilongjiang, China, 163318 (Baohui Wang) || School of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, Heilongjiang, China, 163318 (Ying Chen; Xue Sun) || Daqing Petrochemical Engineering Co., LTD, Heilongjiang, China, 163714 (Hui Li) |
| Abstract | Rare earth modified $SO$ solid acid catalysts were prepared by coprecipitation and impregnation methods respectively. The properties of the samples were characterized by XRD, FT-IR, and N2 adsorption-desorption techniques. And their catalytic performances were evaluated and investigated by transesterification of waste oil with methanol. The results showed that the catalyst containing 4% La and calcined at 600°C displayed the highest production rate and the better reuse ability than the others. 64.68% yield of fatty acid methyl ester was achieved. An analysis of XRD patterns reveal that the incorporation of rare earth into tetragonal zirconia stabilizes the compound, and the calcination at 600°C increases the reactivity of the catalyst by producing a greater fraction of active tetragonal zirconia with a larger surface area. It can be seen from the FT-IR spectra that superacids structures are formed in the catalysts and the acidity is strengthened remarkably and the activated centre of the catalyst were increasesed. |
| Starting Page | 382 |
| Ending Page | 385 |
| File Size | 1350442 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781612847498 |
| e-ISBN | 9781612847528 |
| DOI | 10.1109/ICMREE.2011.5930835 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-05-20 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | X-ray scattering Surface waves Solid superacids Rare earth elements Indium tin oxide Transesterification Artificial intelligence Calcination temperature Biodiesel |
| Content Type | Text |
| Resource Type | Article |
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