Title:
Preparation and Characterization of Cellulose Acetate from Olive Tree Pruning
Author(s):
Jurado-Contreras, S., Rodríguez-Liébana, J.A., Robles, E., Morillas-Gutiérrez, F., La Rubia, M.D., Moya, A.J., Mateo, S., Navas-Martos, F.J.
Document(s):
Paper
Poster
Abstract:
In this work, the process of obtaining cellulose acetate from cellulose previously isolated from olive pruning, has been optimized with the aim of revalorizing this residue, since it has a high content of cellulose and in the Mediterranean basin there is a high extent of this crop. The isolation of the olive pruning has been achieved by optimizing acid hydrolysis with nitric acid and subsequent alkaline hydrolysis with sodium hydroxide, achieving a cellulose content of 83%, in addition to a minimum hemicellulose and lignin content of 0.5% and 5%. Subsequently, the residue has been bleached obtaining a percentage of cellulose close to 95%. Cellulose acetate synthesis has been carried out from a standard cellulose acetylation reaction, in which acetic acid is used as a cellulose swelling agent and reaction medium, sulfuric acid as catalyst and acetic anhydride acting as acetylating agent. The compound obtained was characterized by Fourier transform infrared spectrometry and X-ray diffraction.
Keywords:
cellulose, lignocellulosic sources, biopolymers, olive tree residues
Topic:
Biomass Conversion to Bio-Based Products and Chemicals
Subtopic:
Processes for bio-based chemicals and materials
Event:
31st European Biomass Conference and Exhibition
Session:
6BV.2.12
Pages:
1062 - 1064
ISBN:
978-88-89407-23-3
Paper DOI:
10.5071/31stEUBCE2023-6BV.2.12
Price:
FREE
