Aqueous Fe(IV) is a crucial oxidant in iron-mediated

The gap

Evidence profile

Sourced from the abstract and stated research gap and future-work section of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 7 journals. Those papers have been cited 168 times in total.

Supporting evidence — 8 representative gaps

• Formation and Decay of Aqueous Fe(IV) during Fe(II) Ozonation under Acidic Conditions: Kinetics and Mechanistic Insights into pH-Dependent Behavior (2025) · Environmental Science & Technology · cited 9× · doi

  Aqueous Fe(IV) is a crucial oxidant in iron-mediated oxidation processes relevant to water purification and atmospheric aqueous systems; yet, its chemical behavior under environmentally relevant pH conditions remains poorly understood.

  generalabstract
  Keywords: aqueous relevant crucial oxidant iron mediated oxidation processes water purification atmospheric systems chemical behavior environmentally
• Pd Location–Dependent Confinement Effects in UiO‐66(Zr) Toward Catalytic Degradation of Carbamazepine (2026) · Applied Organometallic Chemistry · doi

  ABSTRACT The practical application of the Fenton reaction is limited by the excessive generation of iron sludge, which results from the inefficient regeneration of ferrous ions during the Fe III /Fe II redox cycle.

  generalabstractevidence 5/5
  Keywords: abstract practical application fenton reaction limited excessive generation iron sludge inefficient regeneration ferrous ions redox
• Enhanced treatment of recalcitrant landfill leachate via CFA/FE-catalyzed Fenton process and subsequent activated sludge adaptation (2026) · Ambiente e Agua - An Interdisciplinary Journal of Applied Science · doi

  The lack of effective treatment methods for landfill leachate. The need for sustainable and cost-effective solutions for treating wastewater. The limited understanding of the optimal conditions for the Fenton process and subsequent biological treatment.

  generalstated research gapevidence 5/5
  Keywords: lack effective treatment methods landfill leachate need sustainable
• Enhanced treatment of recalcitrant landfill leachate via CFA/FE-catalyzed Fenton process and subsequent activated sludge adaptation (2026) · Ambiente e Agua - An Interdisciplinary Journal of Applied Science · doi

  Investigating the long-term effects of the Fenton process on the activated sludge process. Evaluating the effectiveness of using different types of coal fly ash as Fenton catalysts. Developing more efficient and sustainable wastewater treatment systems.

  generalfuture-work sectionevidence 5/5
  Keywords: investigating long-term effects fenton process activated sludge evaluating
• Feasibility study on enhancing the biodegradability of fresh and old landfill leachate using combined chemical precipitation and Fenton processes (2026) · Scientific Reports · doi

  Further research is needed to investigate the scalability and cost-effectiveness of the combined chemical precipitation and Fenton processes. The use of other oxidation processes, such as ozone or UV treatment, could be investigated as alternative approaches for enhancing leachate biodegradability.

  generalfuture-work sectionevidence 5/5
  Keywords: further research needed investigate scalability cost-effectiveness combined chemical
• Nanoconfinement-triggered oligomerization pathway for efficient removal of phenolic pollutants via a Fenton-like reaction (2024) · Nature Communications · cited 159× · doi

  The current endeavors to improve the catalytic performance of Fenton reaction are mostly focused on accelerating Fe(III) reduction, while the pollutant degradation step is habitually overlooked. The use of nanoconfined systems has not been fully explored for the removal of phenolic pollutants via a Fenton-like reaction.

  generalstated research gapevidence 5/5
  Keywords: current endeavors improve catalytic performance fenton reaction mostly
• Performance and Synergistic Mechanism of FeSiBCuNb Amorphous Alloy Catalyst for Methylene Blue Degradation (2026) · Molecules · doi

  Traditional iron-based amorphous catalysts have low activity and poor stability. The development of efficient and stable heterogeneous Fenton catalysts is crucial for wastewater treatment. There is a need for high-performance iron-based amorphous catalysts for the treatment of dye-containing wastewater.

  generalstated research gapevidence 5/5
  Keywords: traditional iron-based amorphous catalysts have low activity poor
• Unveiling the Abnormal Oxidizability of Ferricyanide in Alkaline Solution (2026) · Small · doi

  Further investigation of the redox kinetic behavior in different concentrations of OH⁻ solutions, - Exploration of the application of the [Fe(CN)6] 3− ‐mediated Fenton‐like anodic reaction (FerroOR) in energy storage and catalysis, - Study of the effect of other solvents on the redox kinetic behavior

  generalfuture-work sectionevidence 5/5
  Keywords: further investigation redox kinetic behavior different concentrations solutions

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