Matches in SemOpenAlex for { <https://semopenalex.org/work/W4200300216> ?p ?o ?g. }
- W4200300216 endingPage "114166" @default.
- W4200300216 startingPage "114166" @default.
- W4200300216 abstract "The high efficiency of metal-organic-frameworks (MOFs) such as the ZIF, MIL and UiO type species in dye adsorption is well established. Recently, an emerging class of photoresponsive azobenzene-based MOFs has found suitable application in gas adsorption. However, there is a dearth of research on their use in the adsorption of dyes and other water pollutants. In this research, two microporous photoresponsive azobenzene dicarboxylate MOFs of Al3+ (Al-AZB) and Zr4+ (Zr-AZB) were synthesized for the adsorption of congo red (CR) dye. The surface and textural properties of the synthesized MOFs were characterized by FTIR, PXRD, SEM, TGA, BET and pore analysis. Both MOFs were crystalline, thermally stable up to 300 °C and stable in aqueous medium at room temperature. The Al-AZB displayed a higher surface area (2718 m2/g) than the Zr-AZB (1098 m2/g), which significantly impacted the higher adsorption of CR. Besides, pore volumes of 0.86 cm3/g and 0.35 cm3/g were obtained for Al-AZB and Zr-AZB, respectively. The maximum adsorption capacity of Al-AZB and Zr-AZB was 456.6 mg/g and 128.9 mg/g, respectively, with the former superior to other potent adsorbents. The pseudo-second-order and Langmuir models were well correlated with the dye uptake on the MOFs. Thermodynamics revealed random and endothermic sorption of CR dominated by chemisorption, while efficient regeneration and reuse of both MOFs were achieved using dimethylformamide as eluent. The results proved the potency of the synthesized photoresponsive MOFs, as highly efficient and reusable materials for dye adsorption." @default.
- W4200300216 created "2021-12-31" @default.
- W4200300216 creator A5000341829 @default.
- W4200300216 creator A5042386386 @default.
- W4200300216 creator A5043029309 @default.
- W4200300216 creator A5052143817 @default.
- W4200300216 date "2022-02-01" @default.
- W4200300216 modified "2023-10-15" @default.
- W4200300216 title "Dye adsorption of aluminium- and zirconium-based metal organic frameworks with azobenzene dicarboxylate linkers" @default.
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