Alaba, Peter Adeniyi and Sani, Yahaya Muhammad and Mohammed, Isah Yakub and Abakr, Yousif Abdalla and Daud, Wan Mohd Wan (2016) Synthesis and application of hierarchical mesoporous HZSM-5 for biodiesel production from sheabutter. Journal of the Taiwan Institute of Chemical Engineers, 59. pp. 405-412.
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Abstract
Here,wereporttheupgradingofsheabuttertobiodieselwithhierarchicalmesoporousZSM-5zeolites(HMZeol).Sheabutterisatriglyceride(mainlyoleicandstericacid)extractedfromAfricansheatreenut.ThecatalystssynthesiswasbydesilicationofconventionalZSM-5withanaqueoussolutionofNaOH(0.3and0.4M).XRF,XRD,NH3-TPDandN2adsorptionunveiledtheeffectofdesilicationoftheparentzeolite.ThestudyinvestigatedtheeffectofNaOHconcentrationonmatrixarea,poresize,mesoporevolumeandSi/Alra-tio.HMZeolshowedsuperioractivityonbiodieselyieldwhencomparedwiththeparentZSM-5zeolite.Thecatalyticmaterialtreatedwith0.4MNaOH(0.4HMZeol)gave74%biodieselyieldat5:1methanol/oilmolarratio,1wt%catalyst,and200ᵒCfor3hreactiontimewhileZSM-5gave46.05%yieldunderthesamereactionconditions.Furtherincreaseinthereactiontimeto12hfor0.4HMZeol,0.3HMZeolandZSM-5gave82.12,79.21,and72.13%biodieselyieldrespectively.TheseresultsshowedthathierarchicalmesoporousHZSM-5isapromisingsolidacidcatalystforbiodieselproductionviamethanolysis.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Hierarchical mesoporous ZSM-5 zeolite Desilication Transesterification Sheabutter |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Mrs Patricia Nwokealisi |
| Date Deposited: | 21 Aug 2018 13:06 |
| Last Modified: | 21 Aug 2018 13:06 |
| URI: | http://eprints.covenantuniversity.edu.ng/id/eprint/11412 |
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