The need for effective removal of PFOA from aqueous solutions

The gap

Evidence profile

Sourced from the stated challenges and future work and stated research gap of the source papers, classified as general, drawn from work published between 2025 and 2026, spanning 3 journals. Those papers have been cited 35 times in total.

Supporting evidence — 3 representative gaps

• Research Advances in Natural Polymers for Environmental Remediation (2025) · Polymers · cited 35× · doi

  The development of sustainable and efficient remediation techniques for environmental pollution is a significant challenge. The modification of natural polymers to enhance their adsorption capabilities is a technical challenge. The scalability and cost-effectiveness of natural polymer-based remediation techniques are also challenges that need to be addressed.

  generalstated challenges
  Keywords: development sustainable efficient remediation techniques environmental pollution significant
• Metal organic frameworks (MOFs) and functionalized MOF derivatives for PFAS remediation from water: synthesis strategies, removal performance, and mechanisms (2026) · Frontiers in Environmental Science · doi

  The comparison of MOF-based adsorbents with conventional remediation materials such as activated carbon, charcoal, ion exchange resins, polymer composites, carbon nanomaterials, and COFs was highlighted for PFAS removal from aqueous systems (Table 5). Some MOFs and COFs, unlike conventional activated carbon, which has a lower affinity for short-chain PFAS, exhibit better selectivity and faster adsorption kinetics for both long- and short-chain chemicals, including emerging PFAS. Ion exchange resins are still economically viable due to their high removal efficiency and operational maturity. However, their performance could be influenced by competing ions and dissolved organic matter (Maimaiti et al., 2018; Dixit et al., 2021). Biochar-based adsorbents cost-effective alternative, although their adsorption capacity is generally lower and strongly dependent on feedstock type and surface modification (Liu et al., 2021; Militao et al., 2023; Ramos and Ashworth, 2024; Ihsanullah et al., 2025). Emerging polymeric composites and fluorinated gels offer promising selectivity and sustainable provide and a MOFs and their derivatives offer a novel platform for PFAS cleanup, bridging materials design and environmental fouling applications. Designing materials with enhanced resistance, regeneration ability, and minimal environmental footprint will be critical to achieving long-term sustainability. Recent advances in green synthesis and continuous processing technologies may offer possible routes to commercialization. The remediation of PFAS from wastewater through rational MOF design via choice of metal nodes and organic linkers, as well as through functionalization techniques such as amino, cationic, hydrophobic, and fluorophilic modifications. The MOF materials are very promising for the selective sorption of a large spectrum of PFAS compounds. Moreover, the synthesis of MOF- derived materials, such as porous carbons, metal oxides, and hybrid composites, has addressed issues related to hydrolytic stability and catalytic performance. The proposed systems provide synergistic adsorption-degradation mechanisms, with ROS production and enhanced electron transfer, for PFAS sorption and defluorination. MOF performance is highly

  generalfuture workevidence 5/5
  Keywords: pfas materials carbon composites adsorption performance offer based adsorbents conventional remediation activated exchange resins cofs
• Perfluorooctanoic Acid (PFOA) Adsorption from Aqueous Solutions Using Peach Stone-Derived Activated Carbons (2026) · Environments · doi

  The paper identifies the need for effective removal of PFOA from aqueous solutions. The current methods for PFOA removal are not explicitly stated, but the paper aims to address this gap. The development of a suitable carbon adsorbent with a highly developed porous texture and a large surface area is a novel contribution.

  generalstated research gapevidence 5/5
  Keywords: paper identifies need effective removal pfoa aqueous solutions

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