Citation: Viran P. Mahida, Manish P. Patel. Superabsorbent amphoteric nanohydrogels:Synthesis, characterization and dyes adsorption studies[J]. Chinese Chemical Letters, ;2016, 27(03): 471-474. doi: 10.1016/j.cclet.2015.12.015 shu

Superabsorbent amphoteric nanohydrogels:Synthesis, characterization and dyes adsorption studies

Viran P. Mahida ,
Manish P. Patel ^,

1.
Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388120, Gujarat, India

Corresponding author: Manish P. Patel,
Received Date: 13 May 2015
Available Online: 21 September 2015
Fund Project: This work was provided by University Grants Commission, New Delhi (No.F.39-685/2010(SR)) (No.F.39-685/2010(SR)

The goal of the present research is to remove high percentage of cationic and anionic dyes such as, Neutral Red, Safranin O and Indigo Carmine from aqueous solutions by poly(NIPAAm/N,N-diallylpyrrolidinium bromide/AA) superabsorbent amphoteric nanohydrogels synthesized using the inverse microemulsion polymerization method. Effect of various parameters such as, treatment time, initial dye concentration, pH and adsorbent dose were investigated. Furthermore, kinetics and isotherms adsorption models were applied to determine the maximum adsorption and mechanism for adsorption, which shows that adsorption obeyed the pseudo-second order kinetics. Fromthe results, removal of dyes within the nanohydrogel was found to be in the order:AB-74< BR-2 ≤BR-5.
- Adsorption,
- Dyes,
- Superabsorbent,
- Nanohydrogel
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