Abstract
Wood-derived activated carbon fibers (WACF) with large mesopore volumes have been developed, which were prepared only by H3PO4 as the activator (WACF-P). By carefully controlling the H3PO4 concentration at the 10% level and activation temperature at 700°C, the contribution of mesopore to the total pore volume of WACF reached 87%, which is much higher than those obtained in previous studies on ACF. The porosity development mechanism of WACF-P was interpreted based on the data of pore characteristics, crystallite structure, surface elemental constituents, and surface functional groups. The activation effect of H3PO4 seems to be mainly relied on the enlargement of the existing defects in the fibers, which are developing to mesopores. Based on the large mesopore volume, the WACF-P have an excellent adsorption property for xylenol orange (XO). In general, the WACF-P are suitable for the adsorption of macromoleculses.
Acknowledgments
The authors are grateful for the support of the Natural Science Foundation of Inner Mongolia Autonomous Region (Grant No.2016BS0306).
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Preparation of highly mesoporous wood-derived activated carbon fiber and the mechanism of its porosity development
- The sorption of monovalent cations onto wood flour and holocelluloses of Norway spruce: molecular interactions during LiCl impregnation
- Dynamic hardness of wood – measurements with an automated portable hardness tester
- Static and dynamic tensile shear test of glued lap wooden joint with four different types of adhesives
- Nondestructive bending tests on Douglas-fir utility poles as a potential tool for pole sorting and for prediction of their behavior in service
- Verification of the elastic material characteristics of Norway spruce and European beech in the field of shear behaviour by means of digital image correlation (DIC) for finite element analysis (FEA)
- Characterizing spatial distribution of the adsorbed water in wood cell wall of Ginkgo biloba L. by μ-FTIR and confocal Raman spectroscopy
- A comprehensive mathematical model of heat and moisture transfer for wood convective drying
- Phylogenetic analysis of wood-inhabiting molds and assessment of soft-rot wood deterioration. Part 5. Genus Aureobasidium
- Creating extended antimicrobial property in paper by means of Ag and nanohybrids of montmorillonite (MMT)
Articles in the same Issue
- Frontmatter
- Preparation of highly mesoporous wood-derived activated carbon fiber and the mechanism of its porosity development
- The sorption of monovalent cations onto wood flour and holocelluloses of Norway spruce: molecular interactions during LiCl impregnation
- Dynamic hardness of wood – measurements with an automated portable hardness tester
- Static and dynamic tensile shear test of glued lap wooden joint with four different types of adhesives
- Nondestructive bending tests on Douglas-fir utility poles as a potential tool for pole sorting and for prediction of their behavior in service
- Verification of the elastic material characteristics of Norway spruce and European beech in the field of shear behaviour by means of digital image correlation (DIC) for finite element analysis (FEA)
- Characterizing spatial distribution of the adsorbed water in wood cell wall of Ginkgo biloba L. by μ-FTIR and confocal Raman spectroscopy
- A comprehensive mathematical model of heat and moisture transfer for wood convective drying
- Phylogenetic analysis of wood-inhabiting molds and assessment of soft-rot wood deterioration. Part 5. Genus Aureobasidium
- Creating extended antimicrobial property in paper by means of Ag and nanohybrids of montmorillonite (MMT)