Preparation, characterization and adsorption behavior of tannin-modified poly(glycidylmethacrylate)-grafted zirconium oxide-densified cellulose for the selective separation of bovine serum albumin

Anirudhan, T.S.; Rejeena, Sylaja Raveendran; Tharun, Abdul Rauf

doi:10.1016/j.colsurfb.2011.12.010

Cited by 33 publications

(20 citation statements)

References 38 publications

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“…These plots show the adsorption capacities over time. In order to analyze the dyes' uptake rates a simple kinetic analysis using the pseudo-first order, pseudo-second order, Elovich and modified Freundlich equations were performed in their non-linear forms [44][45][46][47]. Table 3 summarizes the parameters of every model.…”

Section: Adsorption Kineticsmentioning

confidence: 99%

Development of a chitin/graphene oxide hybrid composite for the removal of pollutant dyes: Adsorption and desorption study

González

Villanueva

Piehl

et al. 2015

Chemical Engineering Journal

197

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Section: Adsorption Kineticsmentioning

confidence: 99%

Development of a chitin/graphene oxide hybrid composite for the removal of pollutant dyes: Adsorption and desorption study

González

Villanueva

Piehl

et al. 2015

Chemical Engineering Journal

197

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“…However, tannin is extremely soluble in water, which limits its practical application as a water treatment agent. To overcome this disadvantage, great efforts have been made by immobilizing or chemically modifying tannin onto some water‐insoluble matrices or carriers such as activated carbon, silica beads, hydrotalcite, zirconium oxide, resin, rayon fiber, collagen fiber, agarose, or cellulose derivative . However, these immobilizations are mostly through heterogeneous reaction, resulting in a limited amount of tannin immobilized and easy leakage in water, leading to poor adsorption and additional pollution .…”

Section: Introductionmentioning

confidence: 99%

Tannin‐immobilized cellulose microspheres as effective adsorbents for removing cationic dye (Methylene Blue) from aqueous solution

Pei

et al. 2016

J of Chemical Tech & Biotech

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BACKGROUND Tannin‐immobilized cellulose (T/C) microspheres were fabricated by a facile homogeneous reaction in a water/oil (W/O) emulsion for the removal of cationic dye from aqueous solution. The microspheres were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and Zeta potentials test. Setting methylene blue (MB) as a cationic dye model, the adsorption isotherms, kinetics and effect factors of MB adsorption were investigated to evaluate the effectiveness for dye removal. RESULTS The microspheres exhibited porous structure. Cellulose contributed to provide a support for the porous structure, and immobilized tannins acted as adsorbent sites which combined with MB by electrostatic attraction, resulting in the attractive adsorption ability of T/C microspheres. Microspheres exhibited rapid adsorption rate even when the initial MB concentration was 1500 mg L−1. The pseudo‐first‐order, pseudo‐second‐order and intraparticle diffusion models were used to fit adsorption data in the kinetic studies. Results indicated that the adsorption kinetic was more accurately described by the pseudo‐second‐order model. It has been demonstrated that the better agreement was with the Langmuir isotherm with correlation coefficient >0.9996. Regeneration experiments showed that T/C microspheres can be reused at least three times without obvious loss of their original adsorption capacity. CONCLUSION The results revealed that the T/C microspheres can be considered as a stable and effective adsorbent for cationic dye removal from industrial effluents. Tannin immobilization and material forming were simultaneously implemented by a facile homogeneous reaction in W/O emulsion, providing a new pathway to fabricate tannin‐immobilized materials for water treatment. © 2016 Society of Chemical Industry

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“…First step is adsorption of Cur on the surface of GHDx, followed by the diffusion of Cur from surface to the inner cores of GHDx and final step is equilibrium stage due to low Cur concentration. This behavior indicates that diffusion of Cur into pores is an important factor that influences the adsorption [49].…”

Section: Adsorption Kineticsmentioning

confidence: 91%

Dextran based nanosized carrier for the controlled and targeted delivery of curcumin to liver cancer cells

Anirudhan

Binusreejayan

2016

International Journal of Biological Macromolecules

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Preparation, characterization and adsorption behavior of tannin-modified poly(glycidylmethacrylate)-grafted zirconium oxide-densified cellulose for the selective separation of bovine serum albumin

Cited by 33 publications

References 38 publications

Development of a chitin/graphene oxide hybrid composite for the removal of pollutant dyes: Adsorption and desorption study

Development of a chitin/graphene oxide hybrid composite for the removal of pollutant dyes: Adsorption and desorption study

Tannin‐immobilized cellulose microspheres as effective adsorbents for removing cationic dye (Methylene Blue) from aqueous solution

Dextran based nanosized carrier for the controlled and targeted delivery of curcumin to liver cancer cells

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