Peuravuori J, Zbankova P, Pihlaja K. Aspects of structural features in lignite and lignite humic acids [J]. Fuel Processing Technology, 2006,87:829-839.
[2]
Butuzova L, Krzton A, Bazarova O. Structure and properties of humic acids obtained from thermo-oxidised brown coal[J]. Fuel, 1998,77:581-584.
[3]
Novak J, Kozler J, Janos P, et al. Humic acids from coals of the North-Bohemian coal field I. preparation and characterization[J]. Reactive & Functional Polymers, 2001,47:101-109.
[4]
Henning K, Steffes H J, Fakoussa R M. Effects on the molecular weight distribution of coal-derived humic acids studied by ultrafiltration[J]. Fuel Processing Technology, 1997,52:225-237.
[5]
Mae K, Inoue S, Miura K. Flash pyrolysis of coal modified through liquid phase oxidation and solvent swelling[J]. Energy & Fuels, 1996,10:364-370.
[6]
Miura K. Mild conversion of coal for producing valuable chemicals[J]. Fuel Processing Technology, 2000,62:119-135.
[7]
Do S H, Batchelor B, Lee H K, et al. Hydrogen peroxide decomposition on manganese oxide (pyrolusite): kinetics, intermediates, and mechanism[J]. Chemosphere, 2009,75:8-12.
[8]
Dong L H, Yuan Q, Yuan H. Changes of chemical properties of humic acids from crude and fungal transmed lignite[J]. Fuel, 2006,85:2402-2407.
[9]
Steffen R A, Teixeira S, Sepulveda J, et al. Alumina catalyzed Baeyer-Villiger oxidation of cyclohexanone with hydrogen peroxide[J]. Journal of Molecular Catalysis A: General, 2008,287:41-44.
[10]
Lee Y Ng, Lago R M, Fierro J L G, et al. Hydrogen peroxide decomposition over Ln1-xAxMnO3 (Ln=La or Nd and A=K or Sr) perovskites[J]. Applied Catalysis A: General, 2001,215:245-256.
[11]
Kurkova M, Klika Z, Klikova C, et al. Humic acids from oxidized coals I. elemental composition, titration curves, heavy metals in HA samples, nuclear magnetic resonance spectra of HAs and infrared spectroscopy[J]. Chemosphere, 2004,54:1237-1245.
[12]
Clemow L M, Favas G, Jackson W R, et al. Humic acids and methylated humic acids as models for reactions of brown coal with CO/H2O and with H2[J]. Fuel, 1999,78:567-572.
