This study presents a PRISMA-guided bibliometric and statistical analysis of MOF-based adsorbents for organic dye removal, covering publications from 2014 to 2026. A total of 59 studies were analyzed to evaluate research trends, material classification, and adsorption performance under diverse experimental conditions. The results revealed clear differences in adsorption behavior depending on dye type, molecular properties, and operational conditions, highlighting the key role of electrostatic interactions and solution chemistry. From a materials perspective, pristine MOFs dominated the literature; however, a transition toward functionalized and composite materials was identified, driven by the need to improve adsorption efficiency, selectivity, and stability. MIL-, UiO-, and ZIF-type frameworks were the most frequently investigated due to their balance between structural stability and adsorption performance. The analysis also identified critical limitations, particularly the inconsistent reporting of key experimental parameters, which limits comparability and hinders the identification of reliable structure–property relationships. Overall, this study provides a benchmarking framework supporting the rational design of MOF-based adsorbents for wastewater treatment applications.
Canton-Diaz et al. (Tue,) studied this question.
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