Intraparticle diffusion of basic red and basic yellow dyes on palm fruit bunch

Rate of inlraparticle diffusion was studied for adsorption of two basic dyes, basic red and basic yellow, on particles of palm fruit bunch. The rate process was expressed in terms of square root of time (t0.5). Discussion of the obtained relationship of equilibrium isotherm and t0.5 was given. The i...

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Bibliographic Details
Published in:Water science and technology 1999-01, Vol.40 (7), p.133-139
Main Author: Nassar, Mamdouh Mahmoud
Format: Article
Language:English
Subjects:
Adsorption
Adsorption isotherm
Adsorption isotherms
Applied sciences
basic dye
Basic dyes
Diffusion in liquids
Diffusion rate
Dye concentrations
Dyes
Exact sciences and technology
Fruits
Industrial wastewaters
intraparticle diffusion
palm-fruit bunch
Particles (particulate matter)
Pollution
Solutions
Temperature
Wastewaters
Water treatment and pollution
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Summary:Rate of inlraparticle diffusion was studied for adsorption of two basic dyes, basic red and basic yellow, on particles of palm fruit bunch. The rate process was expressed in terms of square root of time (t0.5). Discussion of the obtained relationship of equilibrium isotherm and t0.5 was given. The intraparticle rate diffusion “k” was determined experimentally and the correlation at different dye concentrations and different temperatures was found to follow the form: k = A (variable)3. The adsorption process was found to be a diffusion controlled process.
ISSN:0273-1223
1996-9732
DOI:10.1016/S0273-1223(99)00592-2