Adsorption Kinetics of Reactive Dyes on Silk with Octyl Butyl Dimethyl Ammonium Bromide as Accelerant

Cheng Chen; Guang Xian Zhang; Feng Xiu Zhang; Hui Zheng

doi:10.4028/www.scientific.net/AMR.549.278

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 549Adsorption Kinetics of Reactive Dyes on Silk with...

Adsorption Kinetics of Reactive Dyes on Silk with Octyl Butyl Dimethyl Ammonium Bromide as Accelerant

Abstract:

With octyl butyl dimethyl ammonium bromide (OBDAB) as accelerant, adsorption kinetics of dyeing silk with three reactive dyes was studied in this paper. As concentration of OBDAB increased, the dye-uptake rate increased. The highest dye-uptake rates of three reactive dyes could reach to 89.40%~98.98% and the concentration of OBDAB was only 6-8g/L. This showed OBDAB was an effective accelerant. Pseudo first- and second-order kinetic models were used to analyze the adsorption kinetic data. The experimental data were found to follow the second-order kinetic model. Meanwhile, the initial dye adsorption rates of reactive red dye B-3BF, reactive yellow dye B-4RFN and reactive orange dye B-2RLN increased as temperature increased, and the activation energy of them were found respectively to be 28.42,13.14,32.90 kJ/mol.The positive values of and obtained indicated that reactive dyes adsorption with OBDAB as accelerant was an endothermic process. The conclusion showed OBDAB was a potential accelerant.

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Periodical:

Advanced Materials Research (Volume 549)

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278-282

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https://doi.org/10.4028/www.scientific.net/AMR.549.278

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Online since:

July 2012

Authors:

Cheng Chen, Guang Xian Zhang, Feng Xiu Zhang, Hui Zheng

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Adsorption, Dyeing, Kinetic, Reactive Dyes, Silk

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