Journal
CELLULOSE
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s10570-023-05627-5
Keywords
Water purification filter; Cellulose; Metal-organic framework; Removal; Meloxicam
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The main purpose of this study is to design and manufacture a water treatment filter using a metal-organic framework to remove pollutants from aqueous solutions with high efficiency. The synthesized filter showed effective removal of meloxicam from the solution and remained stable and efficient after desorption, indicating promising potential for practical applications.
The main purpose of this study is to design and manufacture a water treatment filter using a metal-organic framework to remove pollutants from aqueous solutions with high efficiency. A uniform layer of the metal-organic framework was placed on cellulose filter paper. Cellulose filter paper is biodegradable and economical and its surface can be easily modifiable due to its high hydroxyl groups. HKUST-1, a kind of MOF with a porous and adjustable structure as well as having many active sites was selected for modification of cellulose filter paper for increasing the removal efficiency. The important point of this research is using a very easy method to synthesize the filter in a short time and at room temperature. Synthesized HKUST-1@Filter paper was characterized by SEM, FTIR, and XRD analysis. This filter was used to remove meloxicam from the aqueous solution with a removal percentage of more than 87%. To study the stability and reusability of the synthesized filter, an organic solvent was used for desorption, and it was found that the filter remains stable and had high efficiency to remove contaminants several times after desorption. Langmuir and Freundlich's isotherms were used to investigate the adsorption mechanism. With the equilibrium adsorption isotherm, it was found that the absorption of meloxicam followed the Langmuir model, and the maximum adsorption capacity was 2500 mg g(-1). [GRAPHICS] .
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