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Preparation of Activated Carbon from low cost Precursors (Paperback)
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Preparation of Activated Carbon from low cost Precursors (Paperback)
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Low cost agricultural waste material and animal bones were utilized
for the preparation of activated carbon. Industrial spent carbon
was also regenerated. The carbon samples were activated chemically
and by thermal means (400-1000 C). The samples were characterized
by surface area (BET, DR, BJH, Langmuir) with pore volume, FTIR,
XRD, SEM and EDS. The rate of adsorption of dyes on the carbon
samples was high in the initial fifteen seconds and then declined
due to its diffusion in to the micropores. Negative values of
entropy of activation ( S#) of the dyes adsorption reflected the
affinity of the dye molecules towards the carbon surface which were
found to decrease with the increase in adsorption temperature. The
linear plots of Bangham and intraparticle diffusion models showed
that the adsorption of dye on the carbon surface is a diffusion
controlled process. The Freundlich, Langmuir and DR models were
used to estimate the adsorption parameters. The best fit of the
isotherms, found from the correlation coefficients (r2) were in the
sequence: DR
General
Imprint: |
Lap Lambert Academic Publishing
|
Country of origin: |
Germany |
Release date: |
March 2012 |
First published: |
March 2012 |
Authors: |
Sultan Alam
|
Dimensions: |
229 x 152 x 39mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
696 |
ISBN-13: |
978-3-8484-3830-3 |
Categories: |
Books >
Science & Mathematics >
Chemistry >
Physical chemistry >
General
|
LSN: |
3-8484-3830-5 |
Barcode: |
9783848438303 |
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