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Title: Modified SBA-15 synthesized using sugarcane leaf ash for nickel adsorption
Authors: Arumugam, A
Ponnusami, V
Keywords: Adsorption;Nickel;Santa Barbara Acid–15;Sugarcane leaf ash
Issue Date: Mar-2013
Publisher: NISCAIR-CSIR, India
Abstract: Highly ordered mesoporous variety of silica SBA–15 (Santa Barbara Acid – 15) has been prepared from sugarcane leaf ash by template assisted method and it has been successfully used as an adsorbent for nickel. Post-synthesis modification of the particle is done by grafting of carboxyl, amino, thiol and phenyl groups through siloxypropane tethers to the siliceous surface of SBA-15. Adsorption efficiency of products is estimated in batch mode and compared. Maximum percentage removal (92.5%) is obtained with amine functionalised SBA-15 with an initial Ni (II) concentration of 80 mg/L at a pH value of 5. The Freundlich isotherm model describes the equilibrium well.
Page(s): 101-105
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.20(2) [March 2013]

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