Removal of Reactofix Navy Blue 2 GFN from aqueous solutions using adsorption techniques

Gupta, Vinod Kumar; Jain, Rajeev; Varshney, Shaily; Saini, Vipin K.

doi:10.1016/j.jcis.2006.12.003

Cited by 51 publications

(27 citation statements)

References 29 publications

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“…The efficiency of sorption is dependent on the pH of the solution [37] because variation in pH leads to the variation in the degree of ionization and the surface properties of the sorbent [38] . In view of this, comparative experiments were performed over a pH range 2.0-8.0 to obtain the optimum pH for dye adsorption.…”

Section: Effect Of Phmentioning

confidence: 99%

The Removal of Methyl Red from Aqueous Solutions Using Banana Pseudostem Fibers

Haris¹,

Sathasivam²

2009

American J. of Applied Sciences

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Problem statement:The aim of this study was to investigate the removal of methyl red, a mutagenic monoazo dye, from various aqueous solutions using banana pseudostem fibers of the size 212-350 micron. Approach: The parameters studied were the effect of pH, amount of adsorbent, contact time, concentration of adsorbate and agitation speed. Results: Equilibrium data were fitted to the Langmuir and Freundlich isotherm models. The data were best represented by the latter with an adsorption capacity and adsorption intensity of 0.351 and 0.302, respectively. Conclusion/Recommendations: Specific rate constants of the processes were calculated by kinetic measurements and a pseudo second order adsorption kinetics was obtained for all cases.

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Section: Effect Of Phmentioning

confidence: 99%

The Removal of Methyl Red from Aqueous Solutions Using Banana Pseudostem Fibers

Haris¹,

Sathasivam²

2009

American J. of Applied Sciences

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“…a significant contribution in the field has also been made by Gupta and co-workers [12][13][14][15][16][17][18][19][20][21]. Our laboratory has also successfully used waste materials-bottom ash and deoiled soya-as efficient adsorbents [22,23] for the removal of various dyes belonging to different classes.…”

Section: Introductionmentioning

confidence: 97%

Applicability of waste materials—bottom ash and deoiled soya—as adsorbents for the removal and recovery of a hazardous dye, brilliant green

Mittal

Kaur

Mittal

2008

Journal of Colloid and Interface Science

125

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“…However, its high cost sometimes tends to limit its use. Several nonconventional, low-cost adsorbents have also been tried for dye removal; some of them are peat [6], barro branco lutite [8], botton ash [10], activated rice husks [11], red mud [12], carbon slurry [13,14], cyclodextrin-based material [15], activated slag [16], wheat husk [17,18], and deoiled soya [19].…”

Section: Introductionmentioning

confidence: 99%