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Adsorption behavior of methyl palmitate onto silica particle surface

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Title: Adsorption behavior of methyl palmitate onto silica particle surface
Authors: Maruyama, Hideo Browse this author →KAKEN DB
Seki, Hideshi Browse this author →KAKEN DB
Furukawa, Akito Browse this author
Keywords: Methyl palmitate
Silica gel
Biodiesel fuel
Issue Date: Sep-2021
Publisher: Elsevier
Journal Title: Colloid and Interface Science Communications
Volume: 44
Start Page: 100468
Publisher DOI: 10.1016/j.colcom.2021.100468
Abstract: Adsorption behavior of methyl palmitate (MP), as a model substance of biodiesel fuel, onto silica surface in the presence of methanol and toluene was investigated, assuming the dry washing purification of biodiesel production process. Methanol and toluene affected amount absorbed of MP, especially methanol greatly affected amount absorbed of MP. The adsorption model was proposed based on the Langmuir type adsorption and two assumptions for competitive adsorption. The equilibrium adsorption constant, K, and the maximum number of the adsorption sites, X-S, were determined by fitting the data to the proposed model. The proposed model agreed well experimental data. The magnitude of K correlated with the dielectric constant of each substance. The occupied surface area of silanol group estimated from X-S was mostly the same as the reported values. These adsorption parameters were verified experimentally with other conditions.
Type: article
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 丸山 英男

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