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- Title
Enhanced adsorption of phthalic acid from aqueous solution by LDH@ZIF-8 composites.
- Authors
Yingwei Wang; Yingli Yang; Xinlong Yan
- Abstract
LDH@ZIF-8 composite has been synthesized via in-situ growth of zeolitic imidazolate frameworks-8 (ZIF-8) on Zn/Al hydrotalcite. The morphology and composition of the samples were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscope and N2 adsorption-desorption technics. The adsorption performances of LDH@ZIF-8 sample for phthalic acid were investigated. The results show that the adsorption capacity of LDH@ZIF-8 could be as high as 508.72 mg/g at 20°C, C0 = 100 mg/g. The adsorption isotherms and adsorption kinetics were well described by Freundlich isotherm model and the pseudo-first-order kinetic equation, respectively. In addition, recycling experiments revealed that the behavior of LDH@ZIF-8 is maintained after recycling for at least three times.
- Subjects
PHTHALIC acid; ADSORPTION isotherms; AQUEOUS solutions; ADSORPTION (Chemistry); ADSORPTION capacity
- Publication
Desalination & Water Treatment, 2023, Vol 307, p63
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2023.29844