{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T16:25:22Z","timestamp":1786465522513,"version":"build-2736575974"},"reference-count":62,"publisher":"American Chemical Society (ACS)","issue":"31","license":[{"start":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T00:00:00Z","timestamp":1785196800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100018994","name":"Rajamangala University of Technology Srivijaya","doi-asserted-by":"publisher","award":["215090"],"award-info":[{"award-number":["215090"]}],"id":[{"id":"10.13039\/501100018994","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100016204","name":"Ministry of Higher Education, Science, Research and Innovation, Thailand","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100016204","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,8,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The conversion of surplus glycerol from biodiesel production into solketal represents an effective strategy to enhance biofuel sustainability; however, the development of efficient and reusable solid acid catalysts with optimized acidity remains challenging. In this study, sulfated mesoporous SiO2\/Al2O3 catalysts with varying Si\/Al ratios were synthesized and evaluated for glycerol acetalization with acetone. Process parameters were optimized using response surface methodology (RSM), considering catalyst loading, temperature, reaction time, and acetone: glycerol molar ratio. An artificial neural network (ANN) model was further developed to capture nonlinear relationships and validate predictive performance within the experimental domain. The Si\/Al (50:1) catalyst exhibited excellent performance, achieving 70.0% glycerol conversion, 64.9% solketal yield, and 92.8% selectivity under the optimized conditions (7 wt % catalyst, 60 \u00b0C, 120 min, and 6:1 acetone: glycerol molar ratio). NH3-TPD analysis revealed that this catalyst possesses a high density of moderate-strength acid sites, which are primarily responsible for its superior catalytic performance. The RSM model demonstrated high predictive accuracy, with a deviation of less than 2.2% between predicted and experimental values. The ANN model also showed strong predictive capability (overall R = 0.9962), confirming its suitability as a complementary nonlinear modeling tool within the studied range. Reusability tests indicated a gradual decline in activity while maintaining high selectivity (&amp;gt;87%) after four cycles. This deactivation behavior is associated with a reduction in accessible acid sites, as supported by NH3-TPD analysis. These results demonstrate that controlled Si\/Al composition effectively tunes catalyst acidity and performance, while the combined use of RSM and ANN provides a complementary modeling approach for reliable prediction within the defined experimental space, offering a practical strategy for sustainable glycerol valorization under mild conditions.<\/jats:p>","DOI":"10.1021\/acsomega.6c01633","type":"journal-article","created":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T13:12:37Z","timestamp":1785849157000},"page":"45868-45887","source":"Crossref","is-referenced-by-count":0,"title":["Effect of Aluminum\nLoading on Mesoporous Silica-Supported\nCatalysts for Enhanced Solketal Synthesis from Glycerol via Acetalization:\nAn Integrated Response Surface Methodology and Artificial Neural Network\nFramework for Parameter Optimization"],"prefix":"10.1021","volume":"11","author":[{"given":"Phonsan","family":"Saetiao","sequence":"first","affiliation":[{"name":"Rajamangala University of Technology Srivijaya , , Muang, ,","place":["Songkhla, Thailand, 90000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Panadda","family":"Solod","sequence":"additional","affiliation":[{"name":"Rajamangala University of Technology Srivijaya , , Muang, ,","place":["Songkhla, Thailand, 90000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wannadear","family":"Nawae","sequence":"additional","affiliation":[{"name":"Rajamangala University of Technology Srivijaya , , Muang, ,","place":["Songkhla, Thailand, 90000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Napaphat","family":"Kongrit","sequence":"additional","affiliation":[{"name":"Rajamangala University of Technology Srivijaya , , Muang, ,","place":["Songkhla, Thailand, 90000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8628-3616","authenticated-orcid":true,"given":"Jakkrapong","family":"Jitjamnong","sequence":"additional","affiliation":[{"name":"Rajamangala University of Technology Srivijaya , , Muang, ,","place":["Songkhla, Thailand, 90000"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,7,28]]},"reference":[{"key":"2026081110191172600_cit1","doi-asserted-by":"publisher","first-page":"119345","DOI":"10.1016\/j.indcrop.2024.119345","article-title":"Ketalization\nof Glycerol with Acetone to Solketal over a Phenolic Resin-Based Solid\nAcid","volume":"221","author":"Li","year":"2024","journal-title":"Ind. 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