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Use of HZSM-5 modified with citric acid as acid heterogeneous catalyst for biodiesel production via esterification of oleic acid

✍ Scribed by Vieira, Sara S.; Magriotis, Zuy M.; Ribeiro, Maria Filipa; Graça, Inês; Fernandes, Auguste; Lopes, José Manuel F.M.; Coelho, Sabrina M.; Santos, Nadiene Ap.V.; Saczk, Adelir Ap.


Book ID
127229415
Publisher
Elsevier Science
Year
2015
Tongue
English
Weight
746 KB
Volume
201
Category
Article
ISSN
1387-1811

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✍ Jing Li; Xiaohong Wang; Weimin Zhu; Fenghua Cao 📂 Article 📅 2009 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 294 KB

## Abstract Out of the frying pan: A ZnPW nanotube catalyst containing Brønsted and Lewis double acid sites promotes the conversion of waste cooking oil into biodiesel. The catalytic activity of the ZnPW nanotubes is stable to the presence of free fatty acids or water in the feedstock. The high cat