Thickening Castor Oil with a Lignin-Enriched Fraction from Sugarcane Bagasse Waste via Epoxidation: A Rheological and Hydrodynamic Approach

This work is part of a research project (RTI2018-096080-B- C21) sponsored by the MICINN-FEDER I+D+i Spanish Programme. The financial support is gratefully acknowledged. The authors are also grateful to Dr. Ignacio Ballesteros (CIEMATMadrid, Spain) for kindly providing the ligninenriched waste fraction used in this study.