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Electronic Reconfiguration and Acidic Tailoring: Design of a CoMn Spinel Catalyst for Selective Catalytic Reduction-Coupled Chlorobenzene Deep Oxidation

Zhen Qian et al.

Environmental Science & Technology2026https://doi.org/10.1021/acs.est.5c12350article
AJG 3
Weight
0.41

What the paper says

The interplay between surface oxygen activation and acidity optimization poses fundamental challenges in developing multifunctional catalysts. In this work, we present a dual-functional design strategy through Al3+ doping and phosphate modification to engineer electronic reconfigured, acid-tailored CoMn microspherical spinel for chlorobenzene (CB) deep oxidation. Systematic characterizations combined with theoretical calculations indicated that Al-induced charge redistribution creates electron-deficient Co and Mn metal centers that promote electron density rearrangement of the O 2p orbital, generating reactive oxygen species (ROS). Phosphate coordination further boosted the Bro̷nsted acid sites (BASs) while enhancing ROS activity. In CB oxidation, the modified CoMn spinel not only exhibited high HCl selectivity but also deeply oxidized CB and its intermediates due to abundant surface ROSs and rapid O2 activation. Finally, a tandem catalytic system was proposed for the efficient simultaneous elimination of NOx and CB, achieving over 90% NOx and CB conversions within a wide temperature range (210-400 °C). This work establishes a general paradigm for designing multifunctional catalysts through orbital hybridization and acid-base synergy, particularly applicable to industrial multipollutant control scenarios.

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https://doi.org/https://doi.org/10.1021/acs.est.5c12350

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@article{zhen2026,
  title        = {{Electronic Reconfiguration and Acidic Tailoring: Design of a CoMn Spinel Catalyst for Selective Catalytic Reduction-Coupled Chlorobenzene Deep Oxidation}},
  author       = {Zhen Qian et al.},
  journal      = {Environmental Science & Technology},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.1021/acs.est.5c12350},
}

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Electronic Reconfiguration and Acidic Tailoring: Design of a CoMn Spinel Catalyst for Selective Catalytic Reduction-Coupled Chlorobenzene Deep Oxidation

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Evidence weight

0.41

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.25 × 0.4 = 0.10
M · momentum0.55 × 0.15 = 0.08
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.