Removal of trichloroethylene from aqueous solution by pyrolyzed Japanese cedar [Cryptomeria japonica] bark

The bark of Japanese cedar (Cryptomeria japonica D. Don) was heated in an N2 atmosphere at 300 deg - 900 deg C for 3h to investigate the surface properties of the pyrolyzed residuces and their ability to remove trichloroethylene (TCE) from aqueous solutions. The specific surface areas (SN) and total...

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Bibliographic Details
Published inJournal of wood science Vol. 47; no. 1; pp. 76 - 79
Main Authors Kurimoto, Y. (Akita Prefectural Univ., Noshiro (Japan)), Doi, S, Aoyama, M
Format Journal Article
LanguageEnglish
Published Heidelberg Springer Nature B.V 01.02.2001
Subjects
Activated carbon
ADSORPTION
Aqueous solutions
BARK
Cedar
CRYPTOMERIA JAPONICA
HALOGENATED HYDROCARBONS
POLLUTION CONTROL
PYROLYSIS
Surface chemistry
Surface properties
Trichloroethylene
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Summary:The bark of Japanese cedar (Cryptomeria japonica D. Don) was heated in an N2 atmosphere at 300 deg - 900 deg C for 3h to investigate the surface properties of the pyrolyzed residuces and their ability to remove trichloroethylene (TCE) from aqueous solutions. The specific surface areas (SN) and total pore volumes (VN) of the pyrolyzed barks steadily increased with rising pyrolysis temperature; no significant differences in the average pore diameters (DN) were observed at higher temperatures (600 deg - 900 deg C). The adsorption capacities of the pyrolyzed residues for TCE were determined under batch mode conditions using an aqueous solution containing 5OO micro g TCE dmE-3. The adsorption data were well fitted to the Freundlich equation. The adsorption capacity of the bark pyrolyzed at 900 deg C was about five times larger than that of commercial activated carbon.
Bibliography:T01
2002000619
K50
ISSN:1435-0211
1611-4663
DOI:10.1007/BF00776650