Portada del libro de Preparation of Activated Carbon from low cost Precursors
Título del libro:

Preparation of Activated Carbon from low cost Precursors

And its Use for the Wastewater Treatment

LAP LAMBERT Academic Publishing (2012-03-14 )

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ISBN-13:

978-3-8484-3830-3

ISBN-10:
3848438305
EAN:
9783848438303
Idioma del libro:
Inglés
Notas y citas / Texto breve:
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 (ΔS#) 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 < Langmuir < Freundlich.
Editorial:
LAP LAMBERT Academic Publishing
Sitio web:
https://www.lap-publishing.com/
Por (autor):
Sultan Alam
Número de páginas:
696
Publicado en:
2012-03-14
Stock:
Disponible
Categoría:
Fisicoquímica
Precio:
79.00 €
Palabras clave:
adsorption, Activated Carbon, Agricultural Waste, Acidic Dyes

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