Metal-doped carbonized polymer dots (CPDs) have shown remarkable potential for serving as nanozymes to mimic the catalytic performance of natural enzymes. However, systematic strategies for constructing metaldoped CPDs nanozymes with different skeletons and revealing the role of surface functional groups that influence peroxidase-like (POD-like) catalytic activity remain limited. Herein, CPDs-Fe with three kinds of skeletons (IE-Fe, TE-Fe, and TM-Fe) were prepared to explore POD-like catalytic activity. The intrinsic POD-like activities of the three CPDs-Fe were examined by catalytic oxidation of 3, 3 ', 5, 5 '-tetramethylbenzidine (TMB) with hydrogen peroxide (H2O2). The results showed that the performances of the three CPDs-Fe were superior to those of natural horseradish peroxidase (HRP) and other mimetic peroxidases. Notably, the POD-like activity of TE-Fe was better than that of IE-Fe and TM-Fe. TE-Fe was further applied to the photocatalytic degradation of malachite green (MG) and neutral red (NR), and the removal rates of both dyes had reached over 90 %. This study provides a new strategy for constructing metal-doped CPDs nanozymes with enhanced POD-like activity and highlights their potential for environmental remediation.

Amorphous transition metal oxides (TMOs) are of significant interest due to their distinctive short-range order structure. However, achieving controllable synthesis remains a formidable challenge. In this study, we introduce an Al2O3-assisted amorphization method that successfully synthesizes a series of amorphous-crystalline metal oxides, including Fe2O3, CuO, NiO, and Co3O4. This approach primarily hinges on the incorporation of Al2O3 as a crystallization inhibitor during the catalyst synthesis process. Through the steric hindrance effect and the formation of new chemical bonds induced by Al2O3, the degree of catalyst amorphization is substantially enhanced. More importantly, this strategy has been effectively applied to the upgrading and utilization of Fenton sludge, leading to the development of highly active catalysts derived from Fenton sludge for wastewater purification. Using Fe2O3 as a model catalyst, experimental characterization and density functional theory (DFT) calculations revealed that the introduction of Al2O3 disrupted the bulk ordered structure of Fe2O3 and altered the Fe-O coordination, resulting in a transformation of Fe sites from low-spin to high-spin states. The electronic structure modification induced by amorphization did not alter the types of radicals involved in the reaction but significantly enhanced the potential for hydroxyl radical (center dot OH) generation. The prepared amorphous-crystalline Fe2O3 catalyst (Fe2O3@Al2O3) achieved nearly 90 % removal of levofloxacin (LEVO) within 30 min and increased the reaction rate constant (Kobs) to 0.14 min-1, which is approximately 2.33 times higher than that of the Fe2O3 (0.06 min-1). This novel strategy provides a promising pathway for achieving controlled synthesis of amorphous-crystalline TMOs.

Effective and robust strategies are urgently required to mitigate virulence factors (VFs) and antibiotic resistance genes (ARGs) during sludge dewatering; however, this critical research gap remains largely unexplored in current research. Conventional persulfate-based systems suffer from non-selective oxidation, in which organic matter readily scavenges reactive oxygen species (ROS), thereby significantly reducing treatment efficiency and microbial inactivation, while potentially promoting the dissemination of VFs and ARGs. This study presents a novel Zn2+-augmented, thermally-activated peroxydisulfate (PDS) system that effectively and synergistically mitigates pathogenicity determinants and antibiotic resistance-related threats while simultaneously enhancing sludge dewaterability. Zn2+ facilitated sludge dewatering through two primary mechanisms: inducing microbial cell lysis to release bound water and forming stable coordination complexes with hydrophilic functional groups present in extracellular polymeric substances (EPS). Critically, the treatment achieved significant reductions in multiple VFs (23.5%–34.1%), ARGs (25.3%–36.3%) and transposases (29.5%), and concurrently reducing the abundance of bacterial hosts harboring mobile genetic elements (MGEs) by 68.0%–99.7%. Furthermore, the treatment effectively depleted bacterial hosts harboring gene fragments in which transposases were co-localized with VFs or ARGs, and Type IV pili were no longer detected after treatment. Within the Zn2+-augmented thermally-activated PDS system, Zn2+ induces membrane disruption through strong electrostatic interactions with phospholipids, thereby compromising cellular structural integrity and impairing the functionality of cell membrane–associated structures and transmembrane transport–associated proteins. Concurrently, Zn2+ competitively inhibits key metalloenzymes through induced conformational changes that suppress critical metabolic pathways, thereby resulting in impaired cellular energy production and essential biosynthetic processes. These combined effects ultimately attenuate both VFs and ARGs expression and dissemination. This innovative and practical strategy provides an effective solution for reducing environmental risks associated with VFs and ARGs while simultaneously achieving sludge dewatering objectives.

CDI Faradaic materials have garnered significant attention for their ability to efficiently remove fluoride (F-), offering a promising solution to public health issues such as dental and skeletal fluorosis. However, developing CDI electrodes capable of selectively capturing target F- in complex multi-ionic environments remains a formidable challenge. In this study, we synthesized a defect-engineered, hydrophilic MOF-801 integrated with conductive polypyrrole nanotubes (Def-MOF801@PPynano), which enables highly efficient fluoride removal based on a surface redox pseudocapacitance mechanism. The key scientific innovation lies in exploiting partial ligand deficiencies in the MOF-801 framework, where the absence of fumaric acid ligands creates coordinatively unsaturated Zr sites. Upon application of a positive bias and through the synergistic electron-withdrawing effect of residual fumarate, the electron density around exposed Zr centers is reduced, generating delocalized empty Zr 4d orbitals. This electronic modulation promotes favorable orbital-level alignment with the F 2p orbitals, facilitating the formation of stable yet reversible Zr-F bonds. The optimized Def-MOF801@PPynano electrode demonstrates a specific capacitance of 174 F g- 1 and a defluorination capacity of 48.6 mg g- 1. Notably, it retains high selectivity for F- even in the presence of competing anions, with an adsorption capacity of 38.4 mg g- 1, and maintains 90 % of its capacity after 100 charge-discharge cycles. We anticipate that this work will advance the synergistic design of MOF defect engineering and electronic state tuning of metal sites for targeted F- adsorption in CDI positive, offering a new perspective on mitigating fluoride contamination in complex water matrices.

Spin state regulation has emerged as a promising strategy to enhance the catalytic performance of transition-metal catalysts in peroxymonosulfate (PMS) activation. Herein, boron doping and facet engineering were synergistically applied to regulate the spin state of hematite, yielding B-doped hematite nanorods (B-HNRs) and nanocubes (B-HNCs) with highly efficient PMS activation and abundant 1O2 production. X-ray absorption near-edge structure (XANES) and 57Fe Mössbauer spectra analysis revealed that the boron incorporation resulted in the formation of high spin (HS) Fe(II) species with smaller crystal field splitting energy compared to Fe(III). Density functional theory (DFT) calculations revealed that boron doping enhanced the overlap between Fe 3d orbitals and O 2p orbitals of PMS molecules, thereby facilitating electron transfer between PMS and Fe centers. Compared with B-HNCs, B-HNRs possessing more HS Fe(II) exhibited stronger PMS adsorption, greater OO bond activation, and consequently achieved higher 1O2 selectivity (91.6%) and superior catalytic performance. The generated 1O2 displayed strong resistance to common aqueous interferences and enabled selective pollutant oxidation. Furthermore, the successful continuous-flow reactor operation demonstrated its practical application potential. This work not only offers an innovative approach for the rational modification of transition-metal catalysts but also deepens the mechanistic understanding of PMS activation at the atomic level.

Faradaic electrode materials have the potential to achieve high adsorption capacities in capacitive deionization (CDI). A key challenge in developing innovative Faradaic anodes lies in enhancing mass transport on the electrode surface and increasing the number of active adsorption sites within the electrode. In this study, we employed a novel one-step electrochemical polymerization technique to deposit hydrophilic MOF801 and pseudocapacitive polypyrrole (PPy) onto graphite paper, thereby fabricating an integrated three-dimensional electrode (MOF801/PPy). We then evaluated its desalination efficiency. The results demonstrate that the specific capacitance and desalination capacity of MOF801/PPy can reach 80F g- 1 and 50 mg g- 1, respectively, with a stable cycling capacity retention rate of 97 %. The underlying mechanism for these reliable outcomes is that the MOF801/PPy anode fully exploits the hydrophilic nature of MOF801 to accelerate Na+ mass transport. Moreover, the abundant ion channels of MOF801 deposited on the electrode surface significantly enhance the storage and release efficiency of Na+. Polypyrrole also plays a vital role in the construction of the electrode, as it improves the electrode's charge transfer rate by depositing MOF801 onto the electrode through electropolymerization. Theoretical calculation of DFT indicates that polypyrrole facilitates the rapid and reversible adsorption and desorption of Na+ through the Faradaic surface redox pseudocapacitive mechanism. This work broadens the application of hydrophilic MOF materials in the CDI field and offers new perspectives for the rapid development of Faradaic anode materials in CDI.

RuO2 /TiO2, as the main catalyst in wet catalytic oxidation, faces the problem of catalyst deactivation while treating high concentration organic wastewater efficiently and without pollution. There have been many studies on catalyst deactivation and regeneration, but most of them are based on laboratory simulation environment. Due to the complexity of industrial environments, the causes of industrial catalyst deactivation are still unclear, while there are very few studies on regeneration. Herein, we characterized industrially used catalysts and found that the causes of catalyst deactivation can be attributed to two reasons, namely, the change of carrier crystal shape and carbon accumulation. Thermal regeneration to address the carbon accumulation problem restores some of the physicochemical properties of the used catalysts, however, thermal regeneration cannot restore the catalyst support phase from rutile back to anatase, resulting in the inability to restore catalyst activity. Therefore, the catalyst was regenerated by the method of direct addition of active components, and the catalyst activity was basically restored when the Ru mass fraction was 0.5

The simultaneously efficient removal of radionuclides and heavy metals is an important and challenging topic for aquatic environmental protection. In this work, molybdenum disulfide (MoS2) with heavy metal ion adsorption capacity and positively charged polyethyleneimine (PEI) were used to fabricate a novel layer-by-layer (LbL) self-assembly composite membrane by a simple alternating immersion method. The unique structure with positive charge ensures high removal for toxic metals (RCs(I) = 99.83 %, RSr(II) = 100 %, RHg(II) = 99.2 %, RPb(II) = 98.13 %, RAs(III) = 98.5 %). The inherent low resistance channels in MoS2 provided the optimized composite membrane an elevated water flux. Long-term experiments and membrane regeneration also demonstrated that the membrane possesses exceptional stability and reusability in removing low levels of radionuclides Cs(I) and Sr(II) from water. This study confirms the feasibility of the MoS2-PEI composite membrane for the treatment of contaminated waters containing radionuclides and heavy metals.

The development of efficient and eco-friendly solid catalysts with strong Lewis acid sites for permanganate (KMnO4) activation is highly desired for pollutant removal. In this study, the oxygen vacancy (OV) content of cryptomelane-type manganese oxide, was modulated by Ce doping to promote its Lewis acidity. The findings show that incorporating Ce into the framework of MnO6- octahedra inhibits the growth of the catalyst to form a completely amorphous structure, with the increase of OV ratio, especially bulk OV content. Accordingly, the amount and strength of medium acids, as well as the total acids significantly increase. The increment of OV content and the synergistic effect between surface and bulk OV then lead to the faster degradation of sulfadiazine via KMnO4 activation. The enhanced oxidation potential and electron transfer reactivity of adsorbed KMnO4 on OV sites are further confirmed to contribute to the degradation reaction, while the role of reactive intermediate Mn species is insignificant. The system also shows high efficiency for other pollutants treatment, high KMnO4 utilization, and good adaptability under various conditions. This work demonstrates that OV engineering of metal oxides is a cost-effective and promising strategy to enhance its Lewis acidity for efficient KMnO4 activation.

Addressing water pollution with sustainable and eco-friendly strategies is a significant global challenge. Traditional methods of decontaminating water via enzyme catalysis have limitations, particularly due to the mass transfer resistance resulting from enzyme immobilization. In this study, we report a novel approach in which biochar (BC), a biomass-derived porous material rich in surface functional groups, is integrated with polyacrylamide hydrogels to encapsulate the enzyme horseradish peroxidase (HRP). The resulting Gel/BC-HRP composite hydrogel exhibits superior biocatalytic activity for the oxidation of phenolic contaminants in the presence of hydrogen peroxide (H2O2). Our findings demonstrate that the Gel/BC-HRP composite greatly enhances mass transfer efficiency, achieving a reaction rate 91.4 times faster than the biochar-free control, together with exceptionally high turnover frequency (TOF) values. The composite maintains approximately 60% efficiency for phenol removal even after eight reaction cycles. Mechanistic investigations suggest that the polyacrylamide gel creates electron-rich domains, while the biochar segments provide electron-deficient domains, leading to the formation of an optimal microenvironment that concentrates both H2O2 and phenol in the vicinity of the HRP, thereby significantly accelerating the oxidation process. The innovative integration of biochar with hydrogel-immobilized biocatalysts offers a promising and environmentally friendly solution for the degradation of organic pollutants in water remediation.

Sulfite (SO32-, S(IV)) activation using environmentally friendly catalysts is an emerging strategy for degrading organic contaminants in aqueous environments. However, catalytic activation rates remain suboptimal, and the dominant reactive oxygen species (ROS) involved in the process are still under debate. In this study, a Mn2O3 catalyst prepared via calcination significantly improved the degradation efficiency of bisphenol A (BPA). Specifically, the catalyst calcined at 550 degrees C (Mn2O3-550) exhibited higher performance compared with prepared at 650 or 750 degrees C due to its enhanced redox properties and favorable particle size. In the first step, Mn2O3-550 promoted the redox cycling of the Mn species, thereby enhancing S(IV) activation. The reaction solution generated SO3 center dot-. SO3 center dot- was oxidized to SO5 center dot-, which subsequently reacted with S(IV) to generate peroxymonosulfate (SO52-). In the second step, the Mn(IV) and Mn(III) species on the Mn2O3 surface likely formed complexes with SO52-, resulting in the generation of O-1(2) and SO42-, respectively. The Mn(IV/III) sites also contributed to catalyst surface regeneration. Neither SO4 center dot- nor (OH)-O-center dot participated in the reaction, while O-1(2) was identified as the dominant ROS responsible for BPA degradation. At low pH, Mn2O3-550 directly oxidized the contaminants and activated S(IV), whereas at approximately neutral pH, it drove only S(IV) activation. The presence of non-redox metals enhanced the catalytic performance of the system. This study offers valuable insights and strategies for enhancing S(IV) activation using less-toxic metal oxides and highlights the potential of Mn-based catalysts for environmental remediation via O-1(2) mediated advanced oxidation process.

To enhance chemodynamic therapy (CDT) and induce calcium overload in tumor cells, we developed a novel nanocatalyst, Cu/ZIF-8@CaS2O3@PEG (CZCaP) via a dual-pathway strategy. The system was constructed based on a biocompatible ZIF-8 scaffold, which incorporated Cu2+ ions as the catalytic center and was loaded with calcium thiosulfate (CaS2O3) as a therapeutic agent. The surface of the nanocatalyst was modified with PEG to enable a tumor microenvironment (TME)-responsive drug release. Under acidic TME conditions, CZCaP dissociated to release CaS2O3 and Cu2+. The thiosulfate ions (S2O32-) acted as a cocatalyst by donating electrons to hydroperoxyl (•OOH) radicals generated from H2O2 decomposition. This reaction accelerated the Cu(II)/Cu(I) redox cycling, leading to an enhanced production of hydroxyl radicals (•OH). Consequently, glutathione (GSH) was depleted, compromising the antioxidant capacity of tumor cells. Simultaneously, •OH-mediated oxidative damage impaired PMCA4, a calcium efflux pump, resulting in intracellular accumulation of Ca2+ and ultimately calcium overload. Furthermore, •OH downregulated the antiapoptotic protein Bcl-2, collapsed the mitochondrial membrane potential, and promoted calcium influx into mitochondria, thereby inducing apoptosis. By integrating inorganic cocatalysis with the disruption of calcium signaling, this system overcomes the limitation of conventional CDT and presents an innovative multimodal strategy for tumor therapy.

A key scientific challenge in electrocatalytic two-electron water oxidation reaction (2e--WOR) for hydrogen peroxide (H2O2) generation is constructing a stable catalytic electrode layer that ensures high electrocatalytic activity and selectivity. Addressing this issue, we innovatively utilized micro-arc oxidation (MAO) technique to stepwise construct SnOx-La-Fe@Ti on a titanium substrate. Using advanced structural characterizations, we confirmed that MAO can fabricate a stable ceramic film layer with a characteristic volcanic crater morphology. Electrochemical studies revealed that SnOx-La-Fe@Ti exhibits a low overpotential for H2O2 production, achieving a Faradaic efficiency of up to 88 % and a H2O2 yield of 82 mu mol h-1 cm-2 at an applied potential of 3.1 V vs. RHE. The underlying mechanism for the high activity and selectivity of SnOx-La-Fe@Ti for H2O2 production lies in the formation of oxygen vacancies in the catalytic layer after lanthanum doping. This optimizes the adsorption energy of O* intermediates, promoting the 2e--WOR to electro-synthesis H2O2. By applying the advanced SnOx-La-Fe@Ti to an electro-Fenton system, we achieved the deep oxidation and removal of 90 % of unsymmetrical dimethylhydrazine in wastewater. Furthermore, we assessed the toxicity of the oxidized effluent on the development of zebrafish embryos, obtaining reliable data that support the application of SnOx-La-Fe@Ti in electro-Fenton systems, especially in scenarios requiring H2O2 production.

This study employed the co-pyrolysis of herbaceous carbon, sewage sludge and alumina to obtain the hercynitedoped biochar (HC-DS-Al), whereas a comparative biochar (HC-DS) was synthesized without the addition of alumina. During the pyrolysis process, aluminum and iron elements combined to form hercynite (FeAl2O4) and were distributed on the surface of the biochar HC-DS-Al, forming active sites. In the activation of persulfate, the reactive oxygen species in the catalytic reaction with HC-DS-Al were superoxide anion radical (O2 center dot-) and singlet oxygen (1O2) which was beneficial for the selective degradation of electron-rich organic compounds. The energy barrier for HO2 center dot production by HC-DS-Al was 0.35 eV, which was much lower than that for SO4 center dot- production. The lower barrier suggested an easier production of 1O2 due to HO2 center dot as an important precursor of 1O2. Furthermore, molecular characteristics and the potential degradation pathways of m-cresol and benzoic acid were elucidated. During m-cresol degradation, 25 intermediates were identified with HC-DS-Al whereas only 17 intermediates were resolved with HC-DS, indicating that the HC-DS-Al catalyst had higher catalytic activity and selectivity. Furthermore, the intermediates with HC-DS-Al exhibited less toxicity compared to those with HC-DS. In the presence of various anions and during the coking wastewater degradation, HC-DS-Al still exhibited a high catalytic performance. This study provides an effective strategy to enhance the catalytic selectivity of sludgebased biochar and offers a safe and efficient pathway for the degradation of organic pollutants.

Synergistic photoactivation of permanganate has been reported to be an effective method for degrading pollutants. In this study, we found that the incorporation of carbon quantum dots (CQDs) on the surface of graphitic carbon nitride (g-C3N4) significantly enhanced the visible light response of potassium permanganate (PM), using sulfadiazine (SDZ) as a representative compound. The synergistic photocatalytic system of PM and CQD-doped g-C3N4 demonstrated remarkable efficiencies in SDZ degradation, achieving degradation rates that were 35.3 and 9.9 times higher than those observed in Vis/PM and Vis/PM/g-C3N4 systems, respectively. Mechanistic investigations revealed several key pathways in the degradation process: Photogenerated electrons (e-) facilitated the reduction of O2, resulting in the formation of superoxide anions (O2-center dot) and singlet oxygen (1O2) as active species; the photogenerated holes (h+) acted as Lewis acid to activate PM to degrade the pollutant directly. While the contribution of intermediate manganese species was not significant in the system. The synergistic photo-catalytic system exhibited higher degradation efficiency for electron-rich substrates and exhibited good adaptability in different water conditions. These findings provide new insights into the effectiveness and mechanism of photocatalytic PM activation for environmental remediation.

The manipulation of spin states in metal active sites can significantly impact the energetics of peroxymonosulfate (PMS) molecule adsorption and bond dissociation, thereby exerting influence on the reaction pathway and kinetics. However, the optimization of Fe2O3 2 O 3 catalysts for PMS activation has overlooked spin-related electron transfer and orbital interactions. In this study, we propose a Ni-doping strategy to modify the spin state of Fe2O3 2 O 3 (Ni-Fe2O3) 2 O 3 ) through asymmetrical orbital hybridization (Ni-O-Fe) to enhance PMS activation, with the aim of establishing a correlation between spin state and catalytic activity. The high-spin Ni-Fe2O3/PMS 2 O 3 /PMS system exhibits a significantly higher reaction rate constant (0.20 min-1 ), approximately 2.85 times greater than that observed in the low-spin Fe2O3/PMS 2 O 3 /PMS system (0.07 min-1 ). The asymmetrical orbital coupling induced by Ni doping enhances spin splitting and electron delocalization within the Ni-Fe2O3 2 O 3 catalyst, creating an efficient electron transfer channel between the high-spin catalyst and adsorbed PMS molecules. This enhanced electron transfer disrupts charge distribution in PMS and elongates O-O - O bonds, leading to a significant enhancement in center dot OH generation potential. The establishment of a correlation between high spin active sites and PMS activation provides valuable insights into the intelligent design of spin-regulated nanocomposites for advanced water purification.

Catalytic activation of sulfite is a burgeoning technique for the degradation of organic contaminants in aqueous environments. However, the low utilization of sulfite has limited its widespread application. This study presents an innovative strategy by complexing Mn(II) with nitrilotriacetic acid (NTA) to achieve a complete removal of sulfadiazine (SDZ) at 100 mu M of Na2SO3 with an impressive utilization efficiency of 77 %, which markedly exceeds those of other existing systems. The complexation with NTA lowers the oxidation potential of Mn(III)/Mn (II), enabling the rapid conversion of SO3 2- into peroxymonosulfate (HSO5- ) within 1 min. Subsequently, Mn(II)NTA initiates a relay catalysis cascade of decomposing HSO5- to produce reactive species such as Mn(V)-NTA, sulfate radicals, hydroxyl radicals, and singlet oxygen, and all of which contribute to the efficient degradation of contaminants. Although the performance of the Mn(II)-NTA/sulfite system is influenced by some factors like solution pH, HCO3-, HA, and Ca2+, enhanced degradation efficiency is attainable through pre-activation of Mn (II)-NTA and sulfite, leading to the formation of HSO5- in advance, which can effectively mitigate the interference from water matrices. The degradation pathways of SDZ and the toxicity of its degradation products were also assessed. This research offers significant insights into the design of efficient catalysts for the degradation of pollutants through sulfite activation.

Herein, we proposed a method which integrated solid-phase extraction (SPE) and ultraviolet dual wavelength absorption (UV-DWA) for quantitatively detecting levofloxacin (LEV) in treated medical wastewater. And electrocatalytic technology was utilized to simulate wastewater treatment systems. Tetracycline (TC) and LEV could be preferentially eluted and separated from other antibiotics, given their weaker retention behavior on SPE columns. The optimization of the SPE process was confirmed by high-performance liquid chromatography (HPLC). Based on the principle of wavelength superposition, we developed the DWA equation for wavelengths of 295 nm and 379 nm. TC has the same absorbance at the selected wavelength, so its interference can be eliminated through DWA. And the concentration of LEV was selectively determined. Conclusively, the linear range of SPE-DWA was 10-1000 ng mL- 1, with the correlation coefficient R2 being 0.9984. Validation studies revealed that the limit of detection (LOD) was 2.95 ng mL-1. The precision of this method, expressed as relative standard deviation (RSD), 2.49 % and 0.31 % for intra-day and inter-day analyses, respectively. Additionally, the method was successfully applied to the determination of trace levels of LEV in processed medical wastewater, and the recovery of the spiked samples ranged from 76.8 % to 87.8 %. Our findings indicated that the SPE-DWA had the potential for the on-site quantification of LEV residues in discharged medical wastewater, offering the advantages of low instrument, maintenance, and solvent costs. Furthermore, this method provides a technical pathway for the rapid and straightforward evaluation of antibiotic degradation systems in the future.

The conventional preparation of layered double hydroxide (LDH) often limits its catalytic effectiveness in advanced oxidation processes due to agglomeration and inadequate exposure of active sites. In this work, we present a simplified synthesis approach that utilizes zeolitic imidazolate frameworks (ZIF)-67 (Co) as a sacrificial template to in situ fabricate hollow polyhedral CoFe-LDH (HP-LDH), aimed at enhancing the degradation of dye contaminants in aqueous systems. The unique porous and polyhedral structure of HP-LDH, derived from the template, facilitates contact efficiency between the substrate and active metal sites, acting as an effective nanoreactor. The comparative degradation experiments of Acid Red 27 (AR27) in peroxymonosulfate (PMS) revealed that the degradation efficiency of HP-LDH was nearly twice that of conventional flake LDH (F-LDH). Under optimal conditions, the HP-LDH/PMS system attained a removal rate of 95% in just 15 min. The degradation of the dye relies on the action of both radical and non-radical species, particularly 1O2. Furthermore, the robust adaptability and versatility of HP-LDH/PMS to real water bodies, with a wide range of pH levels and coexisting inorganic anions, demonstrates its potential as a superior catalyst in wastewater treatment, offering a novel pathway for structural innovation of LDH materials in environmental applications.