High-Productivity Fractionation of Poplar via a Integrated Catalytic-Biphasic System Using Sulfonated Magnetic Polystyrene Solid Acid

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. Composition of resins determined from EDS， Row labels are composed of elements, column labels are sample names in percentage units; Tab.S3. 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 S4. 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 S5. Quantification of lignin inter-unit linkages and sub-structures of CEL and EPHL based on 2D HSQC NMR， The row labels represent different lignin samples, and the column labels represent lignin group names in percentage units; Table S6 Rate constants for fast-reacting xylan hydrolysis， The row label represents the kinetic parameters, and the column label represents the reaction temperature, measured in ℃