POLY(4-VINYLBENZYL) TRIMETHYLAMMONIUM CHLORIDE- CO -(4-VINYLBENZYL)-N-METHYL-D-GLUCAMINE) COPOLYMER WITH REMOVAL PROPERTIES FOR VANADIUM (V) AND MOLYBDENUM(VI). ADSORPTION ISOTHERM STUDY

Journal of The Chilean Chemical Society

article

D. V. Morales¹  M. Torregrosa¹  B. L. Rivas¹  M. González¹ 

[1] Department of Environmental Chemistry, Faculty of Sciences, Universidad Católica de la Santísima Concepción;b Polymer Department, Faculty of Chemistry, University of Concepción

关键词: Resin;    Ion Exchange;    Adsorption;    Molybdenum;    Vanadium;   

DOI  :  10.4067/S0717-97072022000105408

学科分类：化学（综合）

来源: Sociedad Chilena de Quimica

【 摘 要 】

It was studied the removal properties of poly(4-vinylbenzyl) trimethylammonium chloride– co -(4-vinylbenzyl)-N-methyl-D-glucamine) P(ClVBTA- co -VBNMDG) ion exchange resin towards vanadium (V) and molybdenum (VI), and compared with a commercial resin Amberlite IRA-743 which contains the same functional group. The resin was characterized by FT-IR spectroscopy and SEM. Parameters like water adsorption capacity, effect of the pH, maximum retention capacity of the metal ions, elution, regeneration, selectivity, interferents effect, adsorption time, and adsorption isotherms were studied. All the studies were carried out by batch equilibrium procedure. Thermodynamic parameters such as enthalpy, entropy, and free energy were calculated. The P(ClVBTA- co -VBNMDG) resin showed higher capacity to remove V(V) and Mo(VI) from water solution than that Amberlite IRA-743 commercial resin. The higher capacity displayed by P(VBNMDG) resin was attributed to the higher degree of swelling and the stronger active functional groups.

【 授权许可】

Unknown