Insight into Poplar Fractionation Enhancement via an Eco-Manufacturing process Using Sulfonated Magnetic Polystyrene Solid Acid and Biphasic Solvent

This data set is the supplementary information about the paper "High Productivity Fractionation of Poplar via a Integrated Catalytic Biphasic System Using Sulfonated Magnetic Polystyrene Solid Acid", which was obtained from the Guangzhou Energy Research Institute of the Chinese Academy of Sciences between 2022.7-2025.11; The scanned images are obtained by SEM scanning, and the statistical data graphs are calculated by Excel and produced by Origin plotting software. (1) Including: S1 Solid acids catalyst preparation，S2 Calculation equations，S3 Supplementary information of figures and tables.(2) Table Data: Tab.S1.

Composition of Resins, with row labels indicating element composition and column labels indicating sample names, expressed in percentages; Tab.S2. Distribution of hemicellulose degradation products in aqueous and organic phases in phenoxyethanol-water system， The row label represents the product name in mg/mL, and the column label represents different solvent systems; Table S3. Assignment of main lignin 13C-1H cross-signals in the 2D HSQC spectra of CEL and EPHL, The row label represents the lignin sample in ppm, and the column label represents the name of the lignin group; Table S4 Rate constants for fast-reacting xylan hydrolysis; Table S5 GC-MS peak assignment of small molecule organic compounds in the EPH phase after reaction at 170℃ for 30 min.