Selective deoxygenation of sludge palm oil into diesel range fuel over Mn-Mo supported on activated carbon catalyst
Originating from deoxygenation (DO) technology, green diesel was innovated in order to act as a substitute for biodiesel, which contains unstable fatty acid alkyl ester owing to the existence of oxygenated species. Green diesel was manufactured following a process of catalytic DO of sludge palm oil...
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| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | en en |
| Published: |
Multidisciplinary Digital Publishing Institute (MDPI)
2022
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| Subjects: | |
| Online Access: | https://eprints.ums.edu.my/id/eprint/33925/1/Selective%20deoxygenation%20of%20sludge%20palm%20oil%20into%20diesel%20range%20fuel%20over%20Mn-Mo%20supported%20on%20activated%20carbon%20catalyst.pdf https://eprints.ums.edu.my/id/eprint/33925/3/Selective%20deoxygenation%20of%20sludge%20palm%20oil%20into%20diesel%20range%20fuel%20over%20Mn-Mo%20supported%20on%20activated%20carbon%20catalyst%20_ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/33925/ https://www.mdpi.com/2073-4344/12/5/566/htm https://doi.org/10.3390/catal12050566 |
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| Summary: | Originating from deoxygenation (DO) technology, green diesel was innovated in order to act as a substitute for biodiesel, which contains unstable fatty acid alkyl ester owing to the existence of oxygenated species. Green diesel was manufactured following a process of catalytic DO of sludge palm oil (SPO). An engineered Mn(0.5%)-Mo(0.5%)/AC catalyst was employed in a hydrogen-free atmosphere. The influence of Manganese (Mn) species (0.1–1 wt.%) on DO reactivity and the dissemination of the product were examined. The Mn(0.5%)-Mo(0.5%)/AC formulation gave rise to a superior harvest of approximately 89% liquid hydrocarbons; a higher proportion of diesel fraction selectivity n-(C15 +C17) was obtained in the region of 93%. Where acid and basic active sites were present on the Mn(0.5%)-Mo(0.5%)/AC catalyst, decarboxylation and decarbonylation reaction mechanisms of SPO to DO were enhanced. Evidence of the high degree of stability of the Mn(0.5%)-Mo(0.5%)/AC catalyst during five continuous runs was presented, which, in mild reaction conditions, gave rise to a consistent hydrocarbon harvest of >72% and >94% selectivity for n-(C15 +C17). |
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