Equilibrium and kinetic studies of methyl violet sorption by agricultural waste.

Equilibrium and kinetic studies of methyl violet sorption by agricultural waste. Research Abstract Details 

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Equilibrium and kinetic studies of methyl violet sorption by agricultural waste. Abstract Text:

In this work, sunflower (Helianthus annuus L.) seed hull (SSH), an agricultural waste, was evaluated for its ability to remove methyl violet (MV) from aqueous solutions. Sorption isotherm of MV onto the SSH was determined at 30 degrees C with the initial concentrations of MV in the range of 25-300mg/L. The equilibrium data were analyzed using the Langmuir, Freundlich and Temkin isotherm models. The equilibrium process was described well by the Freundlich isotherm model. The maximum SSH sorption capacity was found to be 92.59mg/L at 30 degrees C. The kinetic data were studied in terms of the pseudo-first-order, pseudo-second-order and intraparticle diffusion kinetic models. The pseudo-second-order model best described the sorption process. A single-stage batch-adsorber design of the adsorption of MV onto SSH was studied based on the Freundlich isotherm equation. The results indicated that sunflower seed hull was an attractive candidate for removing methyl violet from aqueous solution.

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Equilibrium and kinetic studies of methyl violet sorption by agricultural waste. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of hazardous materials

VOLUME: 154

Page Numbers: 204-12

Journal Abbreviation: J. Hazard. Mater.

ISSN: 0304-3894

DAY: 12

MONTH: 10

YEAR: 2007

Equilibrium and kinetic studies of methyl violet sorption by agricultural waste. Information

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LANGUAGE: eng

NlmUniqueID: 9422688

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Grant and Affiliation Information for Equilibrium and kinetic studies of methyl violet sorption by agricultural waste.

AFFILIATION: School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.

Country: Netherlands

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MEDLINETA: J Hazard Mater

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