eprintid: 5957
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/59/57
datestamp: 2023-11-09 16:17:42
lastmod: 2023-11-09 16:17:42
status_changed: 2023-11-09 16:04:21
type: article
metadata_visibility: show
creators_name: Ayodele, O.B.
creators_name: Farouk, H.U.
creators_name: Mohammed, J.
creators_name: Uemura, Y.
creators_name: Daud, W.M.A.W.
title: Effect of precursor acidity on zeolite supported Pd catalyst properties and hydrodeoxygenation activity for the production of biofuel
ispublished: pub
keywords: Biofuels; Catalyst activity; Catalysts; Fluorine compounds; Ions; Isomerization; Isomers; Oleic acid; Oxalic acid; Palladium compounds, Biofuel production; Functionalizations; Hydrodeoxygenation; Oxalate complexes; Palladium catalyst; Specific surface area and porosities; Supported palladium catalysts; Supported Pd catalysts, Catalyst supports
note: cited By 13
abstract: In this study, two different zeolite (ZLT) supported palladium catalysts (Pd/Zs) of varying acidity were synthesized, characterized and tested for biofuel production. The first Pd/Z was synthesized via the incorporation of palladium oxalate complex (PdOxC) prepared from the functionalization of H2PdCl4 with oxalic acid at pH 5.3 into ZLT. The PdOxC was further modified with drops of HF until pH 3.7 and incorporated into ZLT to synthesize zeolite supported fluoride ion modified PdOxC catalyst (FPd/Z). Their characterization results showed that there is considerable crystallinity loss in Pd/Z, while FPd/Z showed drastic crystallinity loss according to the SEM and XRD results. In addition, the specific surface area and porosity of ZLT increased from 202 m2/g and 0.13 cm3/g to 371 m2/g and 0.23 cm3/g in Pd/Z, and 427 m2/g and 0.29 cm3/g in FPd/Z catalysts, respectively. Pd/Z catalyst produces 56 n-C18H38 and 11 iso-C18H38, while FPd/Z produces 58 n-C18H38 and 28 iso-C18H38 in the hydrodeoxygenation (HDO) and isomerization (ISO) steps, respectively. The enhancements in the catalysts properties are due to the acidic effect of OxA via the incorporation of PdOxC, while the additional enhancements in the properties and the ISO activity of FPd/Z was ascribed to the acidic effect of fluoride ion modification. It is obvious that OxA functionalization and subsequent fluoride ion modification are highly invaluable toward biofuel production. © 2015 Elsevier Inc. All rights reserved.
date: 2015
publisher: Elsevier
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84923924162&doi=10.1016%2fj.molcata.2015.01.033&partnerID=40&md5=df8ec5a29760f3803e7e7fcc337f6d1d
id_number: 10.1016/j.molcata.2015.01.033
full_text_status: none
publication: Journal of Molecular Catalysis A: Chemical
volume: 400
pagerange: 179-186
refereed: TRUE
issn: 13811169
citation:   Ayodele, O.B. and Farouk, H.U. and Mohammed, J. and Uemura, Y. and Daud, W.M.A.W.  (2015) Effect of precursor acidity on zeolite supported Pd catalyst properties and hydrodeoxygenation activity for the production of biofuel.  Journal of Molecular Catalysis A: Chemical, 400.  pp. 179-186.  ISSN 13811169