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Redox Catalysis for
Environmental Sustainability Lab

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About Lab

The ROCATES Lab concentrates its research efforts to explore diverse approaches for oxidation-based water remediation, develop advanced materials and systems for markedly improving water treatment efficiency, and investigate redox chemistry that is fundamental to degradative reaction pathways.

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about lab

Research Topic

  • Development of metal-and carbon-based nanoscale materials for persulfate activation

  • Visible light induced oxidation of organics by nanoscale sensitizing and catalytic systems

  • Electrochemical oxidation systems for treatment of wastewaters

Publication

  • "Molecular-level analysis of chemical transformation of algal extracellular organic matter during seawater ozonation: Dominant reaction pathways and impacts of halide ions"

    W. Yang, H. Oh, H. Lou, E.T. Yun, J. Lee, Y. Lee, B. Wu, M. Zhan, J. Lee*, Water Research, 304, 126346, 2026

  • "Advancing Membrane Fouling Control via Electrically Driven Microbubble Generation: Phosphidation-Enhanced Electrocatalytic Activity of Ni Foam and Numerical Optimization of Operational Parameters"

    E.T. Yun, J. Shim, J. Choi, H. Oh, J.H. Lee, J.D. Fortner, K.H. Cho, J. Lee*, Water Research, 2026

  • "Formation and Decay of Aqueous Fe(IV) during Fe(II) Ozonation under Acidic Conditions: Kinetics and Mechanistic Insights into pH-Dependent Behavior"

    Z. Wang, J. Shin, J. Lee, C. Lee, Y. Lee, Environmental Science & Technology, 59, 26217-26228, 2025

  • "Identifying a catalytic center in metal-carbon composites for O3 and persulfate activation: Active site switching between carbon and metal phases"

    H. Oh, H. Guo, M.W. Chung, G.-H. Moon, K.H. Chae, Y.-Y. Ahn, Y. Lee, C. Lee, S. Weon, S.G. Lee, J. Lee*, Applied Catalysis B: Environment and Energy, 383, 126048, 2026

  • "Revisiting current efficiency for electrochemical reactive chlorine generation and mediated wastewater treatment"

    H. Kim, S. Hong, S. Kim, J. Lee, K. Cho, Chemical Engineering Journal, 520, 165906, 2025

  • "Hydraulic conductivity reduction during the recharge of the discharged groundwater: Clogging pattern variation according to turbidity fluxes"

    C. Jung, S.H. Kim, Y.G. Chu, J. Lee, J.O. Choi, J. Chung, S. Lee, Results in Engineering, 27, 106341, 2025

  • "Conversion of ozone into hydroxyl radical by granular activated carbon with and without biofilms: Implications for micropollutant abatement"

    J. Cho, D. Cha, Y. Lee, J. Lee, C. Lee, Journal of hazardous materials, 496, 139411, 2025

  • "Bromide oxidation by bromate in a frozen solution and reactive bromine species production"

    Y.-Y. Ahn, Q. A. Nguyen, A. Spolaor, S. Frassati, E. Barbaro, G. Cozzi, C. Turetta, H. Oh, J. Lee, K. Kim, Water Research, 285, 124127, 2025

  • "Unveiling the unforeseen role of manganese constituent in creating a carbon-based composite as a high-efficiency persulfate activator: Catalyzing carbon phase graphitization and promoting persulfate binding affinity"

    S.-Y. Song, N.N.T. Pham, G.-H. Moon, K.H. Chae, H. Oh, E.-T. Yun, J. Kim, S.G. Lee, Y. Xue, J. Lee*, Applied Catalysis B: Environment and Energy, 378, 125598, 2025

  • "Paired photoelectrochemical system for total nitrogen removal via engineered active sites in spaced TiO2 nanotube platform"

    A. Son, H. Cho, M.G. Seid, J. Han, B.C. Moon, J. Lee, J. Byun, S.W. Hong, Water Research, 282, 123915, 2025

  • "Encapsulating Co and Pd nanoparticles as spatially separated dual active sites for heterogeneous persulfate activation: Synergistic catalysis and switching of the primary reaction pathway"

    J. Choi, D. Min, K. Rigby, E.-T. Yun, J. Kim, Y.-E. Kim, Y.-Y. Ahn, Y. Lee, C. Lee, E.-J. Kim, P.J.J. Alvarez, J.-H. Kim, J. Lee*, ACS ES&T Engineering, 2025

  • "Potential of homogeneous persulfate activation as a strategy for the oxidative treatment of tetramethylammonium hydroxide: Superiority of sulfate radical over hydroxyl radical in the oxidation of methylammoniums"

    W. Choi, D. Min, M. Kim, C. Park, Y. Choi, J. Kim, Y.-Y. Ahn, E.-T. Yun, Y. Lee, C. Lee, W. Kim, J. Lee*, Chemical Engineering Journal, 500, 2024