Data for: Effects of compositions, chemical structures, and nanoporosity of sedimentary organic matter on degradation of benzo(a)pyrene by hydrogen peroxide
Description
1. Sediment collection 2. Sediment spiking with BaP and aging. 3. Determination of radioactivity in degradation experiments. 3. Figure S1. The sampling locations for the sediments. 4. Figure S2. Flow diagram of degradation experiment 5. Figure S3. Flow diagram for the separation of organic matter with different stability 6. Figure S4. Correlations of aliphatic C and aromatic C from CP spectra with aliphatic C and aromatic C from DP spectra. The data were cited from Huang et al.1 7.Figure S5. Carbon dioxide adsorption isotherms fitted to the Dubinin-Radushkevitch equation on the OS and ROC of different sediments. 8. Figure S6. Porosity distributions calculated by the CO2-DFT Model on the OS and ROC of different sediments. 9. Figure S7. The histogram of the contents of ferrous ions in sediments (a), XRD diffraction diagram in different sediments (b). 10. Figure S8. Correlations among the contents of the chemically resistant OC (ROC) and the Vo-bulk and SSA-bulk values (a-b), where Vo-bulk or SSA-bulk means nanopore volumes or specific surface areas from the ROC fractions in the bulk samples; Correlations between the Faliph-C and alky-C with the Vo-bulk and SSA-bulk values (c-f). 11.Figure S9. Residual amounts of parent compounds (BaP) in extractable residues (a) before oxidizing, and water-soluble residues (b), extractable residues (c) after oxidizing were determined by HPLC, respectively. Red: A1 sample; black: A4 sample; blue: E2 sample; gray: E3 sample; green: E4 sample; yellow: E5 sample. 12. Figure S10. Correlations of the Faliph-bulk (%), alkyl C-bulk (%), (CH2)n-bulk (%), Farom-bulk (%), arom(C-C)–bulk (%) and Arom(C-O)–bulk (%) with the degradation efficiency of 14C-BaP (%) 12. Figure S11. The relationship of the degradation kinetics parameters (Frap, Fslow) with Vo-bulk (μL/g) and SSA-bulk (m2/g). 13. Table S1. OC contents of USOC, STOC, MOC, and ROC, and their percentages. 14. Table S2. Specific surface areas (SSA), nanopores (Vo), and pore size distributions of the sediments before and after oxidation 15. Table S3. The compositions and contents of the minerals in different sediments 16. Table S4. Residual radioactivity (%) in each residue after treatment 17. Table S5. Residual amount of parent compound (BaP) in water-soluble residues and extractable residues after treatment 16. Table S6. Correlations among the SOC fractions (SOC, MOC, and ROC), functional groups of the ROC fractions, nanoporosity and degradation kinetics parameters in the bulk sediments.