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Contributions of hemicellulose, cellulose and lignin to the mass and the porous properties of chars and steam activated carbons from various lignocellulosic precursors

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a b s t r a c t
In this study, contributions of hemicellulose, cellulose and lignin to the mass and the porous roperties of chars and activated carbons from various lignocellulosic materials were studied. A predictive alculation was established using the experimental results obtained for the three components separately to evaluate the carbonization and activation yields and their respective contributions to the chars and to the subsequent activated carbons of various precursors in term of weight fraction. These equations were validated. The results showed that lignin can be considering as being the major contributor of all chars and activated carbons. Besides, the evolution of the mean pore size versus the specific porous volume showed that each component contributes to the porosity of chars and activated carbons whatever is its weight contribution.
Keywords: Activated carbon, Activation, Hemicellulose, Cellulose Lignin

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Informasi Detail

Judul Seri

Bioresource Technology

No. Panggil

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Penerbit

: Elsevier Ltd.., 2008

Deskripsi Fisik

Bioresource Technology 100 (2009) 292–298

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA KARBON

Info Detail Spesifik

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Pernyataan Tanggungjawab

yuli/agus

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