In situ modification of ZIF-67 with multi-sulfonated dyes for great enhanced methylene blue adsorption via synergistic effect

Liu, Yanfeng; Lin, Duoyu; Yang, Weiting; An, Xueying; Sun, Ahui; Fan, Xiaolei; Pan, Qinhe

doi:10.1016/j.micromeso.2020.110304

Cited by 53 publications

(19 citation statements)

References 57 publications

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“…As with typical MB adsorption experiments, a certain mass of adsorbent was added to 50 mL of the MB solutions in conical bottles and oscillated on a thermostatic oscillator at 120 r min −1 . After oscillation, the supernatant liquid was collected, and the concentration of residual MB solution was measured by using a UV-Vis spectrophotometer at a wavelength of 664 nm [ 17 , 18 ]. The standard calibration curves of the MB solutions were plotted with a high related coefficient R 2 of 0.9993.…”

Section: Methodsmentioning

confidence: 99%

Studies on Kinetics, Isotherms, Thermodynamics and Adsorption Mechanism of Methylene Blue by N and S Co-Doped Porous Carbon Spheres

et al. 2021

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Heteroatom-doped carbon is widely used in the fields of adsorbents, electrode materials and catalysts due to its excellent physicochemical properties. N and S co-doped porous carbon spheres (N,S-PCSs) were synthesized using glucose and L-cysteine as carbon and heteroatom sources using a combined hydrothermal and KOH activation process. The physicochemical structures and single-factor methylene blue (MB) adsorption properties of the N,S-PCSs were then studied. The optimized N,S-PCSs-1 possessed a perfect spherical morphology with a 2–8-μm diameter and a large specific area of 1769.41 m2 g−1, in which the N and S contents were 2.97 at% and 0.88 at%, respectively. In the single-factor adsorption experiment for MB, the MB adsorption rate increased with an increase in carbon dosage and MB initial concentration, and the adsorption reached equilibrium within 2–3 h. The pseudo-second-order kinetic model could excellently fit the experimental data with a high R2 (0.9999). The Langmuir isothermal adsorption equation fitted well with the experimental results with an R2 value of 0.9618, and the MB maximum adsorption quantity was 909.10 mg g−1. The adsorption of MB by N,S-PCSs-1 was a spontaneous, endothermic, and random process based on the thermodynamics analyses. The adsorption mechanism mainly involved Van der Waals force adsorption, π-π stacking, hydrogen bonds and Lewis acid–base interactions.

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Section: Methodsmentioning

confidence: 99%

Studies on Kinetics, Isotherms, Thermodynamics and Adsorption Mechanism of Methylene Blue by N and S Co-Doped Porous Carbon Spheres

et al. 2021

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“…43 The XRD pattern of ZIF-67 (Fig. 3c) presents peaks at 2y = 4.101 (011), 11 45,46 The XRD pattern of the PVA/GO/ZIF-67 cryogel is shown in Fig. 3d, where the peaks related to GO (2y = 11.441, (002)) and ZIF-67 (2y = 5.081, (011)) are clearly seen along with the PVA-related peak (2y = 21.301, (101)), which further confirmed the successful preparation of the PVA/GO/ZIF-67 cryogel.…”

Section: Characterization Of the Pva/go/zif-67 Cryogelmentioning

confidence: 99%

Synthesis of a highly porous three-dimensional PVA/GO/ZIF-67 cryogel for the simultaneous treatment of water contaminated with cadmium(ii) and lead(ii) heavy metal ions

et al. 2022

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“…• Modification is a common method to introduce designed properties into known materials. [ 50 ] It can be expected that modified non‐LDH type 2‐D ICFs would be applied in much more fields.…”

Section: Conclusion and Prospectivesmentioning

confidence: 99%

Layered Inorganic Cationic Frameworks beyond Layered Double Hydroxides (LDHs): Structures and Applications

Wang

et al. 2020

Eur J Inorg Chem

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Layered double hydroxides (LDHs), a typical layered inorganic cationic material, have been widely studied as ion‐exchanger, catalyst and polymer additives. The past few decades have seen rapidly increasing interest in non‐LDH type 2‐dimensional inorganic cationic frameworks. Their novel properties derived from structural and compositional diversity cast a light on the field where LDHs show limited performance. This minireview will discuss the structure, synthesis and applications including anion‐exchange and catalysis of non‐LDH type 2‐dimensional inorganic cationic frameworks and present the prospective for researchers working on.

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In situ modification of ZIF-67 with multi-sulfonated dyes for great enhanced methylene blue adsorption via synergistic effect

Cited by 53 publications

References 57 publications

Studies on Kinetics, Isotherms, Thermodynamics and Adsorption Mechanism of Methylene Blue by N and S Co-Doped Porous Carbon Spheres

Studies on Kinetics, Isotherms, Thermodynamics and Adsorption Mechanism of Methylene Blue by N and S Co-Doped Porous Carbon Spheres

Synthesis of a highly porous three-dimensional PVA/GO/ZIF-67 cryogel for the simultaneous treatment of water contaminated with cadmium(ii) and lead(ii) heavy metal ions

Layered Inorganic Cationic Frameworks beyond Layered Double Hydroxides (LDHs): Structures and Applications

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