TY - JOUR
T1 - PDMAEMA grafted microspheres as an efficient adsorbent for the removal of Sunset yellow from pharmaceutical preparations, beverages and waste water
AU - Yayayürük, Onur
AU - Erdem Yayayürük, Aslı
AU - Özmen, Pınar
AU - Karagöz, Bünyamin
N1 - Publisher Copyright:
© 2020
PY - 2020/12/5
Y1 - 2020/12/5
N2 - Sunset yellow (SY) dye removal in the beverages, waters and pharmaceutical preparations is of great importance due to its negative side effects. In this context, a new and efficient adsorbent, PDMAEMA grafted PS-DVB-VBC microspheres were synthesized and applied for the adsorption of SY dye. The morphology, chemical and physical properties of the proposed adsorbent was fully characterized using scanning electron microscopy (SEM), thermal gravimetric analysis (TGA), Fourier-transform infrared spectroscopy (FTIR), elemental and Brunauer–Emmett–Teller (BET) surface area analysis. The adsorption performance of the adsorbent was investigated systematically, including the influence of pH, contact time, adsorbent dose, adsorption isotherms, adsorption kinetics, and reusability. The optimized conditions of the SY towards the sorbent were as follows: pH of 2.0, contact time of 40.0 min, adsorbent dose of 0.4 g L−1 at 25 °C. The equilibrium adsorption process followed the Langmuir isotherm model with a maximum adsorption capacity of 312.5 mg g−1. Pseudo-second-order kinetic model was found to be most appropriate to define the adsorption of SY dye onto the adsorbent. The quantitative results (96.3–103%) obtained for the real samples (beverages, pharmaceutical preparation and synthetic waste water) confirmed the high performance, feasibility and efficacy of the novel method. The uptake of SY dye was high (>90%) even after recycling five times indicating that the adsorbent could be regenerated and reused in practical applications.
AB - Sunset yellow (SY) dye removal in the beverages, waters and pharmaceutical preparations is of great importance due to its negative side effects. In this context, a new and efficient adsorbent, PDMAEMA grafted PS-DVB-VBC microspheres were synthesized and applied for the adsorption of SY dye. The morphology, chemical and physical properties of the proposed adsorbent was fully characterized using scanning electron microscopy (SEM), thermal gravimetric analysis (TGA), Fourier-transform infrared spectroscopy (FTIR), elemental and Brunauer–Emmett–Teller (BET) surface area analysis. The adsorption performance of the adsorbent was investigated systematically, including the influence of pH, contact time, adsorbent dose, adsorption isotherms, adsorption kinetics, and reusability. The optimized conditions of the SY towards the sorbent were as follows: pH of 2.0, contact time of 40.0 min, adsorbent dose of 0.4 g L−1 at 25 °C. The equilibrium adsorption process followed the Langmuir isotherm model with a maximum adsorption capacity of 312.5 mg g−1. Pseudo-second-order kinetic model was found to be most appropriate to define the adsorption of SY dye onto the adsorbent. The quantitative results (96.3–103%) obtained for the real samples (beverages, pharmaceutical preparation and synthetic waste water) confirmed the high performance, feasibility and efficacy of the novel method. The uptake of SY dye was high (>90%) even after recycling five times indicating that the adsorbent could be regenerated and reused in practical applications.
KW - Isotherm modelling
KW - Kinetic study
KW - Polymer
KW - Removal
KW - Sunset yellow
UR - http://www.scopus.com/inward/record.url?scp=85094315498&partnerID=8YFLogxK
U2 - 10.1016/j.eurpolymj.2020.110089
DO - 10.1016/j.eurpolymj.2020.110089
M3 - Article
AN - SCOPUS:85094315498
SN - 0014-3057
VL - 141
JO - European Polymer Journal
JF - European Polymer Journal
M1 - 110089
ER -
