open access

https://hdl.handle.net/2115/92775

Esterification of tripalmitin using calcined scallop shell as a heterogeneous basic catalyst

英語

Fatty acid methyl ester

2024-07-16

Wiley

Asia-Pacific Journal of Chemical Engineering

18(2)

e2870

Calcined waste scallop shell (Patinopecten yessoensis) was used as a basic heterogeneous solid catalyst for the transesterification of tripalmitin as a model triglyceride for assuming biodiesel production. The scallop shell was pulverized and calcined at 900 and 1000°C for 4 h. Calcined reagent calcium carbonate was also used as a control catalyst. The transesterification experiments were carried out at 30°C with varying catalyst dosage and calcination conditions. In the most experimental condition, the yield reached ~90% within 8–10 h. The overall reaction rate constant, k, was determined by simple first-order reaction kinetics. The calcined catalyst was characterized using SEM, EDS, and XRD analysis. The number of basic active sites on the surface was determined by titration with benzoic acid. A linear relationship between k and the number of the basic active sites was obtained. The time course of the concentration of the products could be estimated using this relationship.

学術雑誌論文

Accepted Manuscript

This is the peer reviewed version of the following article: Maruyama H, Seki H. Esterification of tripalmitin using calcined scallop shell as a heterogeneous basic catalyst. Asia-Pac J Chem Eng. 2023, which has been published in final form at https://doi.org/10.1002/apj.2870. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

1932-2135

1932-2143