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Superabsorbent amphoteric nanohydrogels: Synthesis,characterization and dyes adsorption studies
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作者 Viran P.Mahida Manish P.Patel 《Chinese Chemical Letters》 SCIE CAS CSCD 2016年第3期471-474,共4页
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,Ndiallylpyrrolidinium bromide/AA)... 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,Ndiallylpyrrolidinium bromide/AA) superabsorbent amphoteric nanohydrogels synthesized using the inverse microemulsion polymerization method. Effect of various parameters such as, treatment time,initial dye concentration, p H 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. From the results, removal of dyes within the nanohydrogel was found to be in the order: AB-74 〈 BR-2≤ BR-5. 展开更多
关键词 adsorption dyes superabsorbent nanohydrogel
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