eprintid: 3456
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/34/56
datestamp: 2023-11-09 15:51:43
lastmod: 2023-11-09 15:51:43
status_changed: 2023-11-09 15:46:52
type: article
metadata_visibility: show
creators_name: Lee, S.-P.
creators_name: Ramli, A.
title: Methyl oleate deoxygenation for production of diesel fuel aliphatic hydrocarbons over Pd/SBA-15 catalysts
ispublished: pub
note: cited By 20
abstract: Background: Catalytic deoxygenation is a prominent process for production of renewable fuels from vegetable oil. In this work, deoxygenation of technical grade methyl oleate to diesel fuel aliphatic hydrocarbons (C15 - C18) is evaluated with several parameters including temperature, hydrogen pressure and reaction time in a stirred batch reactor over Pd/SBA-15 catalysts. Results: Two different SBA-15 morphologies i.e. spherelike and necklacelike structures have been synthesize as supports for Pd active metal. It is found that Pd dispersion on necklacelike SBA-15 is higher than that of spherelike SBA-15. Notably, higher Pd dispersion on necklacelike SBA-15 provides significant deoxygenation efficiency as compared to Pd/SBA-15-spherelike. Results show that H2 pressures greatly determine the total ester conversion and selectivity to C15 - C18 aliphatic hydrocarbons. Total ester conversions with 55< selectivity to n-heptadecane are achieved using Pd/SBA-15-necklacelike at 270°C and 60 bar H2 pressure within 6 h reaction time. Gas phase study reveals that formation of C17 is generated via indirect decarbonylation when the reaction time is prolonged. Conclusions: Pd/SBA-15-necklacelike catalyst exhibits good catalytic performance with high selectivity to diesellike aliphatic hydrocarbons (C15 - C18). The physicochemical properties of the Pd supported on different SBA-15 morphologies influence the deoxygenation activity of the catalysts. Furthermore, the reaction pathways are governed by the H2 pressure as well as reaction duration. © 2013 Lee and Ramli; licensee Chemistry Central Ltd.
date: 2013
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84883449696&doi=10.1186%2f1752-153X-7-149&partnerID=40&md5=1df7528660e2922b1e6aff372f1c15be
id_number: 10.1186/1752-153X-7-149
full_text_status: none
publication: Chemistry Central Journal
volume: 7
number: 1
refereed: TRUE
issn: 1752153X
citation:   Lee, S.-P. and Ramli, A.  (2013) Methyl oleate deoxygenation for production of diesel fuel aliphatic hydrocarbons over Pd/SBA-15 catalysts.  Chemistry Central Journal, 7 (1).   ISSN 1752153X