Acid hydrolysis 1 Activation energy 1 Cellulose 1 Cellulose derivatives 1 Characteristics studies 1 Characterization 1 Cotton 1 Cotton cloth waste 1 Crystallinity 1 Degradation 1 Hydrolysis 1 Hydrolysis process 1 Kinetic study 1 Kinetics 1 Morphological structures 1 Nanocrystals 1 Spheres 1 Spherical cellulose nanocrystal Sulfuric acid 1 Sulfuric acid hydrolysis 1 Thermodynamic stability 1 Ultrasound treatments 1 Waste treatment 1 Zeta potential 1