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- W2549492761 abstract "The grafting of amino and carboxylic acid groups on cellulose increased La(III) sorption efficiency of cellulose: maximum sorption capacity increased from 38mgLag-1 for cellulose to 101 and 170mgLag-1 for amino derivative (PAC) and amino-carboxylic derivative (PCMC). Langmuir equation successfully fits sorption isotherms while uptake kinetics are effectively modeled using the pseudo-first order rate equation (though resistance to intraparticle diffusion plays a significant role in the control of metal recovery). Uptake equilibrium occurred within 150-180min. The thermodynamic study shows that the reaction is spontaneous, endothermic and entropic. Nitric acid solutions (0.5M concentration) can be efficiently used for metal recovery and sorbent can be recycled for at least 5 cycles with limited decrease in sorption performance for the three sorbents. The materials were characterized by elemental analysis, acid-base titration, FTIR spectrometry, x-ray diffraction analysis, X-ray photoelectron spectroscopy, SEM-EDX analysis and also by TGA." @default.
- W2549492761 created "2016-11-30" @default.
- W2549492761 creator A5001409806 @default.
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- W2549492761 date "2017-02-01" @default.
- W2549492761 modified "2023-10-01" @default.
- W2549492761 title "Synthesis and characterization of poly(carboxymethyl)-cellulose for enhanced La(III) sorption" @default.
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- W2549492761 doi "https://doi.org/10.1016/j.carbpol.2016.11.064" @default.
- W2549492761 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/27987899" @default.