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Issue
Korean Journal of Chemical Engineering,
Vol.22, No.2, 276-280, 2005
Adsorption of Acid Dyes Using Polyelectrolyte Impregnated Mesoporous Silica
Park JC, Joo JB, Yi J
Cationic polyelectrolyte, PDDA (Poly(diallyldimethylammonium chloride)), was impregnated on mesoporous silica SBA-15 (PDDA/SBA-15) and amorphous conventional silica (PDDA/CS) supports. Acid dye adsorption characteristics, such as adsorption kinetics, adsorption isotherms, maximum adsorption capacity, and breakthrough curves of the prepared PDDA/SBA-15 and PDDA/CS adsorbents, were examined by batch and column adsorption techniques where the Acid Violet 17, Acid Red 44, and Acid Blue 45 were used as target adsorbates. PDDA/SBA-15 adsorbent showed fast adsorption kinetics of less than 10 min and much higher adsorption capacities compared to PDDA/CS due to large pore sizes, ordered cylindrical pore structures, and high amount of impregnated PDDA. Results from batch and column experiments showed that practical use of PDDA/SBA-15 adsorbent for effective removal of acid dyes from aqueous solution would be possible. Polyelectrolyte impregnation method was suggested as a simple method for the development of adsorbent with large pore diameters and efficient adsorption characteristics.
Keywords: Polyelectrolyte; Mesoporous Silica; Acid Dye; Adsorption Isotherm; Breakthrough Curve
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[Cited By]
  1. Kim BK, Kim YH, Yamamoto T, Korean Journal of Chemical Engineering, 25(5), 1140, 2008
  2. Vu BK, Shin EW, Snisarenko O, Jeong WS, Lee HS, Korean Journal of Chemical Engineering, 27(1), 116, 2010
  3. Roh J, Umh HN, Yoo CM, Rengaraj S, Lee B, Kim Y, Korean Journal of Chemical Engineering, 29(7), 903, 2012
  4. Yılmaz S, Sahan T, Karabakan A, Korean Journal of Chemical Engineering, 34(8), 2225, 2017
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