Tuned porous MOFs & COFs for arsenic removal- advanced water remediation approach

Desalination, Journal Year: 2024, Volume and Issue: 592, P. 118075 - 118075

Published: Sept. 6, 2024

Language: Английский

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Efficient Adsorption of Arsenic from Smelting Wastewater by CoMn-MOF-74 Bimetallic Composites

Sustainability, Journal Year: 2025, Volume and Issue: 17(7), P. 3060 - 3060

Published: March 30, 2025

Removing arsenic from industrial wastewater remains a crucial task. To protect public health and safety address environmental pollution, there is an urgent need for material that can efficiently remove wastewater. In this study, simple highly efficient adsorbent, namely, Co/Mn bimetallic-based organic framework (CoMn-MOF-74) was prepared by hydrothermal synthesis method. Experimental results demonstrate CoMn-MOF-74 exhibits excellent adsorption capacity ions in It found the optimal molar ratio of adsorbent 1:1. The compensates deficiencies performance Co-MOF-74 Mn-MOF-74, increasing rate highest capacity. maximum 93.4%, 531 mg/g. Fitting according to two categories models, specifically, isotherm kinetics indicated adheres Langmuir model pseudo-second-order kinetic model. process mainly chemical monolayer adsorption. Analysis XPS revealed metal–oxygen groups hydroxyl play important roles process. conclusion, shows prospects field promising arsenic-removing adsorbent.

Language: Английский

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Sustainable PH3 Purification over MOF-Derived Ce-Doped CuO Materials: Enhanced Performance and Closed-Loop Resource Recovery

Sustainability, Journal Year: 2025, Volume and Issue: 17(9), P. 4084 - 4084

Published: May 1, 2025

To address the limitations of low CuO loading and poor dispersion in conventional supported adsorbents, this study, MOF (metal–organic framework)-derived with Ce doping (CuxCeyO) was synthesized used for adsorption–oxidation PH3 under low-temperature low-oxygen conditions. The results demonstrated that increased capacity adsorbent from 75.54 mg·g−1 (MOF-derived CuO) to 226.87 (Cu1Ce0.2O). characterization indicated significantly altered physicochemical properties CuO. Specifically, Cu1Ce0.2O exhibited optimal dispersion, highest adsorbed oxygen concentration, superior redox performance, an number basic sites, a larger specific surface area pore volume, all contributing its improved performance. Analysis exhausted revealed formation Cu3P phosphoric acid. And deactivation can be attributed consumption blockage structure. Surprisingly, considerable photocatalytic performance due Cu3P, enabling resource utilization waste adsorbent, making it promising material PH3. This waste-to-resource conversion reduces hazardous solid while creating value-added photocatalysts, establishing sustainable lifecycle pollutant removal functional regeneration.

Language: Английский

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Fe/Mn-MOF-driven rapid arsenic decontamination: Mechanistic elucidation of adsorption processes and performance optimization

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 69, P. 106691 - 106691

Published: Dec. 1, 2024

Language: Английский

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