eprintid: 17096
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/70/96
datestamp: 2023-12-19 03:23:33
lastmod: 2023-12-19 03:23:33
status_changed: 2023-12-19 03:07:27
type: article
metadata_visibility: show
creators_name: Plaola, Y.
creators_name: Leangsiri, W.
creators_name: Pongsiriyakul, K.
creators_name: Kiatkittipong, W.
creators_name: Srifa, A.
creators_name: Lim, J.-W.
creators_name: Reubroycharoen, P.
creators_name: Kiatkittipong, K.
creators_name: Eiad-Ua, A.
creators_name: Assabumrungrat, S.
title: Catalytic Hydrotreating of Crude Pongamia pinnata Oil to Bio-Hydrogenated Diesel over Sulfided NiMo Catalyst
ispublished: pub
keywords: Alumina; Binary alloys; Catalyst activity; Diesel engines; Fatty acids; Feedstocks; Hydrogenation; Layered semiconductors; Molybdenum compounds; Palm oil; Silica; Titanium dioxide, Bio-hydrogenated diesel; Catalytic hydrotreating; Hydroprocessing; Nimo sulfided catalyst; Palm olein; Pongamia pinnata; Pongamia pinnata oil; Supports effects; ]+ catalyst; γ Al2O3, Aluminum oxide
note: cited By 6
abstract: This work studied the catalytic activity and stability of Ni-MoS2 supported on γ-Al2O3, SiO2, and TiO2 toward deoxygenation of different feedstocks, i.e., crude Pongamia pinnata oil (PPO) and refined palm olein (RPO). PPO was used as a renewable feedstock for bio-hydrogenated diesel production via catalytic hydrotreating under a temperature of 330 °C, H2 pressure of 50 bar, WHSV of 1.5 h�1, and H2/oil (v/v) of 1000 cm3/cm3 under continuous operation. The oil yield from a Soxhlet extraction of PPO was up to 26 wt. on a dry basis, mainly consisting of C18 fatty acids. The catalytic activity in terms of conversion and diesel yield was in the same trend as increasing in the order of NiMo/γ-Al2O3 > NiMo/TiO2 > NiMo/SiO2. The hydrodeoxygenation (HDO) activity was more favorable over the sulfided NiMo supported on γ-Al2O3 and TiO2, while a high DCO was observed over the sulfided NiMo/SiO2 catalyst, which related to the properties of the support material and the intensity of metal�support interaction. The deactivation of NiMo/SiO2 and NiMo/TiO2 occurred in a short period, due to the phosphorus and alkali impurities in PPO which were not found in the case of RPO. NiMo/γ-Al2O3 exhibited the high resistance of impure feedstock with excellent stabil-ity. This indicates that the catalytic performance is influenced by the purity of the feedstock as well as the characteristics of the catalysts. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
date: 2022
publisher: MDPI
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85125081305&doi=10.3390%2fen15041547&partnerID=40&md5=5bb73ee5b6eccb0cba183f78382415ea
id_number: 10.3390/en15041547
full_text_status: none
publication: Energies
volume: 15
number: 4
refereed: TRUE
issn: 19961073
citation:   Plaola, Y. and Leangsiri, W. and Pongsiriyakul, K. and Kiatkittipong, W. and Srifa, A. and Lim, J.-W. and Reubroycharoen, P. and Kiatkittipong, K. and Eiad-Ua, A. and Assabumrungrat, S.  (2022) Catalytic Hydrotreating of Crude Pongamia pinnata Oil to Bio-Hydrogenated Diesel over Sulfided NiMo Catalyst.  Energies, 15 (4).   ISSN 19961073