A novel design of copper selenide/zinc selenide/Nitrogen-doped carbon derived from MOF for sulfadiazine adsorption: Performance and mechanism

Ren, Donglou; Zhu, Bin; Xiong, Jun; Huang, Kai; Cai, Muzhi; Liu, Cong; Bai, Xiaojing; Liu, Tao; Zhang, Xianghua; Zou, Bingsuo

doi:10.1016/j.jcis.2024.05.055

Journal of Colloid and Interface Science

2024

DOI: 10.1016/j.jcis.2024.05.055

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A novel design of copper selenide/zinc selenide/Nitrogen-doped carbon derived from MOF for sulfadiazine adsorption: Performance and mechanism

Donglou Ren,

Bin Zhu,

Jun Xiong

et al.

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Hybrid nanocellulose material as an adsorbent to remove reactive yellow 2 dye

Mello,

Thue,

da Silva

et al. 2024

Sci Rep

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Textile dyes are frequently disposable in aqueous effluents, making it difficult to remove them from industrial effluents before their release to natural waters. This paper deals with the fabrication of cellulose-based adsorbents by reacting nanocelulose crystalline (nanocel) with N-[3-(trimethoxysilyl)propyl]ethylenediamine (TMSPEDA), forming the hybrid (silylpropyl)ethylenediamine@nanocellulose (SPEDA@nanocel), which was employed as adsorbent for the uptake of reactive yellow 2 dye (RY-2) from aqueous effluents. Characterisation of SPEDA@nanocel was carried out using FTIR, SEM–EDS, XRD, TGA, surface area, pHpzc, and hydrophobicity/hydrophilicity ratio (HI). Also, adsorption studies were thoroughly investigated. The effect of initial pH indicated that the maximum uptake of RY-2 takes place at pH 2, which is an indication of the electrostatic mechanism. The kinetic data carried out with 250 and 500 mg L−1 RY-2 with SPEDA@nanocel followed better the nonlinear fractional-like pseudo-first-order model. The t0.5 and t0.95 for the dye uptake were about 30 and 141 min, respectively. The equilibrium data from 10 to 45 °C indicated that the Liu isotherm model was the best-fitted isothermal model. The maximum sorption capacity attained was 112.3 mg g−1 at 45 °C. The thermodynamic data have shown that the equilibrium was favorable and endothermic, and the ΔH° was compatible with an electrostatic attraction between RY-2 and SPEDA@nanocel. Experiments of desorption of loaded adsorbent showed promising results for real applications since at least 5 adsorption/desorption cycles could be employed without significant changes in the recovery and with high precision.

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Hybrid nanocellulose material as an adsorbent to remove reactive yellow 2 dye

Mello,

Thue,

da Silva

et al. 2024

Sci Rep

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A novel design of copper selenide/zinc selenide/Nitrogen-doped carbon derived from MOF for sulfadiazine adsorption: Performance and mechanism

Cited by 1 publication

References 43 publications

Hybrid nanocellulose material as an adsorbent to remove reactive yellow 2 dye

Hybrid nanocellulose material as an adsorbent to remove reactive yellow 2 dye

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