Carbon capture through solar-driven CO2 gasification of oil palm empty fruit bunch to produce syngas and biochar

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dc.contributor.authorAl-Muraisy, Saqr A.A.
dc.contributor.authorChuayboon, Srirat
dc.contributor.authorSoares, Lais Americo
dc.contributor.authorBuijnsters, J. G.
dc.contributor.authorIsmail, Shahrul bin
dc.contributor.authorAbanades, Stéphane
dc.contributor.authorvan Lier, Jules B.
dc.contributor.authorLindeboom, Ralph E.F.
dc.date.accessioned2026-08-06T10:51:13Z
dc.date.available2026-08-06T10:51:13Z
dc.date.issued2025-05-15
dc.description.abstractOil palm empty fruit bunch (OPEFB) is an abundant organic waste in Malaysia that is often disposed of through field burning. A previous study has shown that solar-driven steam gasification of OPEFB can produce hydrogen-rich syngas with an energy upgrade factor of 1.2 and a carbon conversion efficiency of 95.1 %. Beyond its potential as a biofuel, OPEFB can also act as a carbon sink, capturing photosynthetically stored carbon. This study explores the potential of amplifying OPEFB's negative carbon emissions through solar-driven gasification, using CO<inf>2</inf> as the gasifying agent. In this work, a Central Composite Design (CCD) approach was employed to assess the influence of temperature (1100–1300 °C) and CO<inf>2</inf>/OPEFB molar ratio (1.6–3.0) on H<inf>2</inf>/CO molar ratio and energy upgrade factor, with a constant OPEFB flow rate of 1.8 g/min. The results demonstrated that at an energy upgrade factor of 1.4, 94.9 % of the total carbon was converted into syngas with a H<inf>2</inf>/CO molar ratio of 0.3. The maximum observed net carbon capture yield of 0.4 g C/g OPEFB was achieved at 1300 °C and a CO<inf>2</inf>/OPEFB molar ratio of 3.0. The remaining carbon (94.4–95.7 wt %) was converted into biochar with low heavy metal content, which has potential as a soil enhancer.
dc.identifier.citationEnergy, 323, 2025
dc.identifier.doi10.1016/j.energy.2025.135805
dc.identifier.issn03605442
dc.identifier.other2-s2.0-105001287164
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/16998
dc.sourceEnergy
dc.subjectBiochar
dc.subjectBiomass
dc.subjectCarbon capture
dc.subjectConcentrated solar power
dc.subjectOil palm empty fruit bunch
dc.subjectSolar driven gasification
dc.titleCarbon capture through solar-driven CO2 gasification of oil palm empty fruit bunch to produce syngas and biochar
dc.typeArticle

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