Cellulose Phosphate Applied in the Removal of the Drug Acetaminophen from Aqueous Media

Abstract:

The cellulose phosphate used for this work was obtained by a reaction between cellulose and sodium trimetaphosphate (STMP) at pH 10. The material obtained was characterized by ³¹P nuclear magnetic resonance (³¹P NMR) spectrometry and energy-dispersive X-ray spectroscopy (EDS). In the ³¹P NMR results, the two peaks at 2.05 and 7.96 ppm are related to phosphorous. The EDS indicated the presence of 5.47% of incorporated phosphorus which proved the modification. The material obtained was applied in the removal of the pharmaceutical drug acetaminophen (acetaminophen) from aqueous media. The maximum adsorptions of the drug in the cellulose phosphate was 60.7, 56.7, and 60.0 mg g^-1 at the temperatures 298 K, 308 K, and 318 K, respectively, in 120 minutes at pH7. The plot traced from the data best aligns with the pseudo-second order kinetic model and with the physical-chemical model proposed by Freundlich.

• Periodical: Materials Science Forum (Volume 869)
• Pages: 745-749
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.869.745
• Online since: August 2016
• Authors: Roosevelt Delano Sousa Bezerra, Alan Ícaro Sousa Morais, Josy Antoveli Osajima, Lívio César Cunha Nunes, Edson Cavalcanti da Silva Filho
• Keywords: Acetaminophen, Adsorption, Cellulose Phosphate

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