Affiliation:
1. Facultad de Ciencias Aplicadas a la Industria (FCAI) Universidad Nacional de Cuyo (UNCuyo) Bernardo de Irigoyen 375 San Rafael Mendoza 5600 Argentina
2. ICAI (CONICET – UNCuyo) Instituto de Ingeniería y Ciencias Aplicadas a la Industria Bernardo de Irigoyen 375 San Rafael Mendoza 5600 Argentina
3. Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA) Mar del Plata B7600FDQ Argentina
4. Planta Piloto de Ingeniería Química (PLAPIQUI‐CONICET) Bahía Blanca 8000 Argentina
5. Departamento de Ingeniería Química Universidad Nacional del Sur (DIQ‐UNS) Bahía Blanca 8000 Argentina
Abstract
AbstractFor the first time, a complete physicochemical characterization of pruning residues from red grape varieties Cabernet Sauvignon (CSPR) and Malbec (MPR) from Mendoza, Argentina is reported. In addition, the extraction of lignocellulosic material by using an environmentally friendly methodology is reported, yielding 13.33 wt% for CSPR and 8.08 wt% for MPR. According to laser diffraction analysis (LD), the particle‐size distribution is similar for both varieties. Fourier transform‐infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning‐electron microscopy (SEM), optical microscopy (OM), and X‐rays diffraction (XRD) show the presence of lignin and cellulose in both samples. It may be concluded that vine shoots are an inexpensive and widely available source to obtain lignin and cellulose for multiple purposes, such as composites and blends.
Funder
Universidad Nacional de Cuyo
Fondo para la Investigación Científica y Tecnológica