ENVIRONMENTAL SCIENCE & TECHNOLOGY
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2025
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IF 11.3
Ying-Jie Zhang,Jia-Shu Tao,Han-Qing Yu
Metal oxides and carbon materials, which can be readily obtained from minerals and biomass, respectively, offer both performance and cost advantages and are the catalysts of choice for catalytic wastewater treatment applications. In this work, we explore the optimal compatibility between catalysts, with metal oxides and carbon materials as examples, and oxidants with peroxymonosulfate and peroxydisulfate (PMS and PDS) as representatives. Metal oxides catalyze PMS effectively and exhibit an efficiency 1–3 orders of magnitude higher than when catalyzing PDS. Conversely, carbon materials catalyze PDS much more effectively, with an efficiency 1–3 orders of magnitude higher than when catalyzing PMS. The scientific mechanism behind such a compatibility is found to be attributed to the polarity-based matching effect between valence bonds on the catalyst surface and the oxidant molecules, following the polarity principle of “similarity-intermiscibility” theory. Composite materials containing metal and carbon prepared according to this mechanism demonstrate robust performance for both PMS and PDS, consistent with the predictions and validating the rationality and expandability of the compatibility principle. This work provides guidance for catalyst selection in the application of persulfate-catalyzed water purification technology.
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Nature Communications
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2025
·Vol. 16
·期 1
·1-14
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IF 15.7
Huang Yan,Chen Haixu,Qiao Xin,Li Shangsong,Wang Xiaoliang,Liu Xiaoman,Huang Xin
Stress stimulation-mediated liquid-liquid phase separation is a key activity in living organisms, but its biophysical characteristics are poorly understood. Here, we report a UV-light stress stimulation behaviour in a binary community of synthetic protocells of condensates and proteinosomes, showing that condensates could behave like Condensate Pumps to enable a stepwise controlled transmembrane mass transfer regardless of the permeability barrier of proteinosomes. The stimulation mechanism of interfacial tension-induced proteinosome deformation and transient high osmotic pressure arisen by the dissociation of condensate is proposed. Accordingly, under UV-light stress stimulation, unexpected characteristics could be triggered by transmembrane pumping oversized biomacromolecules into proteinosomes including liquid-liquid reentrant phase separation, DNA unwinding, and protein synthesis. Therefore, our results not only reveal unique physical principles and potential characteristics of macromolecular assemblies at droplet-membrane interface but also highlight a pathway for transmembrane transport of biomacromolecules which is anticipated to serve as a powerful technique to inducing higher-order behaviour in synthetic protocells community.
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CATALYSIS LETTERS
·
2025
·Vol. 155
·期 7
·1-14
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IF 2.4
Ren Xiaohong,Bao Zien,Wang Yong,Yu Xiaoqiang,Rong Zeming
To address the low hydrogenolysis efficiency of 4-O-5 bonds in lignin catalytic conversion, Ni-Pt/HZSM-5 bimetallic catalyst with a Ni/Pt molar ratio of 47:1 was developed using diphenyl ether (DPE) as a model compound. The results revealed that electron transfer from Ni to Pt induced a positive charge on the Ni surface, significantly enhancing its adsorption and activation capacity toward electron-rich 4-O-5 bonds. At 100 °C and 5 bar H 2 , the conversion of DPE reached 90.3% with 93.1% selectivity (phenol and benzene) and Ni-Pt/HZSM-5 retained stable over five cycles of use. When Ni-Pt/HZSM-5 was applied to pine sulfate lignin depolymerization at 220 °C and 5 bar H 2 , with yields of 12.9 wt% for phenol and 4-propylphenol and 16.3 wt% for methoxy phenolic compounds. Overall, this study would promote the application and development of high-efficiency bimetallic catalysts for the production of valuable chemicals from biomass. Graphical
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APPLIED CATALYSIS B-ENVIRONMENTAL
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2025
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IF 21.1
Chuanshun Feng,Shuo Chen,Linjie Guan,Guoen Zhang,Feng Lin,Qicheng Zhang,Xiaobin Fan,Wenchao Peng,Yang Li
A metal-free carbon catalyst co-doped with boron and silicon (2B-BCSi) is designed and synthesized in this work. Its custom-engineered internal electric field achieves the barrier-free and selective generation of singlet oxygen ( 1 O 2 ). Guided by theoretical analysis and density functional theory (DFT) calculations, low‑electronegativity heteroatoms were incorporated into the carbon scaffold to an adjacent electric‑field configuration (B δ+ -C-Si δ+ ). By generating an internal electric field-induced molecular tension and leveraging boron-moderated charge transfer, the system circumvents the adsorption constraints of terminal oxygen that limits traditional approaches. Thereby, it facilitates 1 O 2 production from PMS via a novel barrier-free pathway, resulting in unprecedented selectivity for 1 O 2 (>93.6 %). This system demonstrates significant advantages in electron-rich pollutant degradation (0.437 min −1 ) and organic synthesis (242.8 mg h −1 L −1 ), establishing an electric-field engineering paradigm for precise ROS control while providing dual-path solutions for environmental remediation and value-added chemical production.
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JOURNAL OF CEREAL SCIENCE
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2026
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IF 4.3
Baoqing Bai,Shijie Niu,Junnan Li,Bin Feng,Tao Bo,Jinhua Zhang,Ying Zhang,Yukun Yang
Huangjiu, an ancient Chinese alcoholic beverage, is primarily brewed through the fermentation of steamed grains using Jiuqu as starter. This study systematically investigated the effects of five nutritionally rich coarse cereals (oats, quinoa, sorghum, buckwheat and black rice) on the physicochemical, antioxidant and flavor profiles of Huangjiu (CCHJ: MQHM, MQLM, MQYM, MQGL, and MQKQ) fermented with Maiqu . The results demonstrated that five types of CCHJ samples exhibited strong antioxidant capacity, with MQLM and MQHM showing particularly high α-glucosidase inhibition rates, exceeding 95%. Functional component analysis revealed that MQHM contained the highest levels of amino acids, total flavonoids and polyphenols, while MQKQ exhibited the highest organic acid content. A total of 203 volatile flavor compounds (VFCs) were identified, with MQGL having the highest concentration, followed by MQHM. Furthermore, 12 common compounds, including ethanol, isopropanol, acetoin, 4-ethyl-2-methoxyphenol, ethyl palmitate, 3-methyl-1-butanol, 2-methoxy-4-vinylphenol, (S)-2-heptanol, phenethyl alcohol, 3,4-dimethylbenzaldehyde, methanol, and octanoic acid, were identified as key aroma compounds in CCHJ samples based on their odor activity value (OAV). The distinctive sweet profile of MQHM was strongly correlated with these compounds. These findings provide valuable insights into how to optimize the use of traditional coarse cereals and advancing the development of novel functional Huangjiu products.
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JOURNAL OF HAZARDOUS MATERIALS
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2026
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IF 10.6
Jiana Jing,Yingying Du,Chunhong Fu,Jiangli Sun,Ge Song,Minghua Zhou
Energy-efficient treatment of chloride-containing coal chemical wastewater remains challenging, primarily due to high electricity demand, limited current utilization, and concerns over by-product control. Herein, a chlorine-mediated paired electrocatalysis was established, coupling a mixed metal oxide (MMO) anode with a natural air-diffusion cathode (NADE) in a membrane-separated dual-chamber reactor. In the anode chamber, phenol and ammonia nitrogen (NH 3 -N) were proved to be oxidized via a free-radical pathway ( • ClO) and a non-radical pathway (HClO), while hydrogen peroxide (H 2 O 2 ) was produced through the aeration-free oxygen reduction reaction in the cathode chamber. Key parameters of the process and membrane materials were investigated and optimized. Proton exchange membrane (PEM), cation exchange membrane (CEM), and bipolar membrane (BPM) were compared, and PEM exhibited the highest current efficiency (93.48 %) and lowest specific energy consumption for H 2 O 2 generation (3.79 kWh/kg). Under the optimal conditions, the process achieved removal efficiencies of 95.25 % for phenol, 75.43 % for chemical oxygen demand (COD), 70.79 % for NH 3 -N, and 65.17 % for total nitrogen within 90 min. The cumulative concentration of H 2 O 2 reached 761.21 mg/L, and the associated economic benefit completely offset the energy consumption of the integrated electrocatalytic system. Overall electricity costs of the paired electrocatalysis were reduced by ∼59 % versus anodic oxidation alone and by ∼45 % versus single-pollutant operation. The chlorine-mediated paired electrocatalysis enables simultaneous degradation of phenolic and nitrogenous pollutants and in-situ H 2 O 2 generation, providing an energy-efficient and economically favorable strategy for advanced treatment of coal-chemical wastewater.
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FUEL
·
2026
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IF 7.8
Chunyan Tu,Ruonan Pan,Luhan Liu,Hao Wang,Wenlin Li
A novel defect-engineered strategy was developed to fabricate highly efficient Pd catalysts for the selective hydrogenation of phenol to cyclohexanone. By fine-tuning the post-alkali treatment, we successfully tailored the microstructure of halloysite nanotubes (HNTs) supports, selectively removing Al–OH sites without forming any amorphous structures. This precise engineering allowed for the uniform dispersion of ultrafine Pd nanoparticles within the HNTs’ lumen. A comprehensive analysis using CO-DRIFTS, TEM, H 2 -TPD, CO 2 -TPD, and Py-IR techniques revealed that the Pd/1.2M-HNTs catalyst possessed rich Pd step sites with a strong H 2 dissociation ability. Furthermore, the unique acid–base properties of the modified HNTs support moderate the adsorption strength of cyclohexanone, ensuring high selectivity by promoting its timely desorption and limiting over-hydrogenation. The optimized catalyst exhibited superior catalytic performance with a high turnover frequency (TOF) of 341 h −1 and excellent stability. This work highlights a facile and effective approach to control the support structure at the molecular level, offering new insights for the rational design of catalysts for hydrogenation reactions.
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
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IF 5.4
Da Teng,Pengxiang Qiu,Yingying Xu,Chunjie Zhu,Xiu Zhang,Leyi Liu,Chen Wei,Yalin Yu,Ningxuan Xue,Xinyu Gai,Yiyang Chen,Siyue He,Guanjie Lin,Fengling Liu,Jiayu Gu,Shuai Zhang,Zhaobing Guo
Ferrate(VI) (Fe(VI)) is a powerful oxidant for wastewater treatment, but its use is hindered by electron transfer limitations. To address this, we designed a NiFe-layered double hydroxide-carbon nanotube (NiFe-LDH-CNT) hybrid photocatalyst. The design is based on the hypothesis that incorporating conductive CNTs can enhance interfacial charge-transfer capability, thereby promote Fe(VI) activation. Under visible light, this catalyst enhances Fe(VI) performance by facilitating the formation of reactive high-valent iron intermediates, accompanied by the generation of reactive oxygen species. Compared with pristine NiFe-LDH, the CNT-integrated composite exhibits improved charge separation and accelerated interfacial electron transport, resulting in enhanced pollutant degradation efficiency. In addition, the catalyst remains stable and effective over time, even in complex water environments. This approach offers a practical way to enhance Fe(VI)-based water treatment processes.
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POLYMER
·
2026
·
IF 4.5
Yu Fang,Qi Shi,Jinping Qu,Xiang Lu
Efficiently integrating solar and ambient thermal energy within a single molecular system remains a significant challenge. Here we systematically construct a family of azobenzene-based molecules in which photoisomerizable cores are covalently coupled with thermally active alkyl and alkenyl segments. Unlike previous studies focusing on isolated examples, our approach establishes a homologous molecular series that enables direct correlation between structural parameters and dual-mode energy storage behavior. Upon ultraviolet irradiation, the trans -cis isomerization induces lattice disorder and photo‐liquefaction, allowing simultaneous capture of photon energy and latent heat. The reverse process triggered by light or heat releases both chemical and phase-change enthalpies in a single synergistic step. The system exhibits a gravimetric energy density exceeding 300 J g −1 , demonstrating a competitive performance among reported materials. Combined density functional theory and calorimetric analyses quantitatively link the isomerization energetics with crystal packing variations, establishing a predictive relationship between molecular design and thermophysical performance. This systematic strategy provides a data-driven framework for designing programmable photothermal materials and paves the way for high-throughput molecular energy computation.
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JOURNAL OF ENVIRONMENTAL MANAGEMENT
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2026
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IF 9.2
Yangfan Zhang,Mengjiao Fan,Yunyu Guo,Wenjian Liu,Shu Zhang,Xun Hu
Post treatment of activated carbon (AC) for leaching inorganics derived from activator via water or acid wash is an unavoidable step in chemical activation. This study aims to systematically elucidate how different post-treatment washing methods (water washing vs. acid washing) distinctly influence the removal and transformation of inorganic residues during chemical activation of silica-rich rice husks and low-ash rice husk pretreated with NaOH for preparation of AC. The results indicated that the yield of AC was significantly higher with acid wash than with water wash (i.e. 19.3 % versus 8.8 % in activation with KOH). This resulted from leaching of K 2 SiO 3 formed from reaction between K 2 O and SiO 2 in RH with water wash. In comparison, K 2 SiO 3 was converted to H 2 SiO 3 and then to SiO 2 with acid wash, leading to much higher ash content (>33 % versus <3 % with water wash) in resulting AC. The water wash significantly increased the S BET (from 870.6 m 2 /g with acid wash to 984.9 m 2 /g) and abundance of micropores (from 79.2 % to 90.6 %) with K 2 C 2 O 4 as an activator. The S BET even increased from 969.6 to 1458.9 m 2 /g while micropores increased from 85.1 % to 95.1 % with water wash in activation with KOH. The water wash removed K 2 SiO 3 that blocked micropores. Converting K 2 SiO 3 to SiO 2 with acid wash re-dispersed silica and formed more mesopores via a stacking process. This coated surface of the AC with gel-like material and also negatively affected capability for adsorption of phenol. These results demonstrate that post-treatment is not merely a "purification step" but also serves as a critical "structural regulation step." Furthermore, compared to the conventional approach involving pre-treatment for deashing, the "no pre-treatment + water washing post-treatment" strategy proposed in this study eliminates the deashing pre-treatment step and its associated chemical requirements, thereby reducing both cost and environmental impact. Simultaneously, it avoids the significant reduction in carbon yield and the structural damage to the feedstock skeleton caused by deashing, which favors the production of activated carbon with higher yield and better preservation of the original biomass morphology.
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SEPARATION AND PURIFICATION TECHNOLOGY
·
2026
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IF 9.1
Baoquan Liu,Lianchong Shao,Jiayun Yu,Feipeng Huang,Chengpu Chu,Shaoping Tong,Laiquan Li,Huan Wu,Yinghua Xu,Bin Liu
Halogenated disinfection byproducts (DBPs) pose significant health risks owing to their widespread occurrence and high toxicity in drinking water. Traditional water treatment technologies often fail to remove these toxic compounds without generating secondary pollutants. Herein, we report a sustainable and highly efficient electrochemical hydrogenation (ECH) strategy using a delicately designed ruthenium nanoparticle-modified electrochemical‑hydrogen-membrane (Ru NPs-EHM) reactor, which enables the complete conversion of halogenated DBPs into non-toxic products without the need for supporting electrolyte. The reactor achieves >99.9% conversion of 12 representative halogenated DBPs, with minimal formation of hazardous intermediates. The exceptional catalytic performance is attributed to the strong adsorption capability of Ru nanoparticles and the unique EHM configuration, which enhances both ECH selectivity and efficiency. This work presents a breakthrough in water treatment technology, offering a cost-effective, environmentally friendly, and scalable solution for the safe purification of drinking water.
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Results in Engineering
·
2026
·
IF 9.4
Li Ma,Kun Zhang,Feilong Guo,Tiejun Kuang
The heterogeneous Fenton-like technology has gained attention for its potential in treating refractory organic wastewater. However, traditional nano-catalysts face challenges such as agglomeration, recovery difficulties, and active site deactivation, limiting their practical use. This study proposes a synergistic material-structure design strategy by fabricating a three-dimensional porous FeNi alloy monolithic catalyst via selective laser melting (SLM). Characterization results show that the SLM process yields a dense and uniform solid solution alloy. This structured catalyst exhibits exceptional catalytic activity in the Fenton-like degradation of phenol. Experimental results indicate that at a phenol concentration of 50 mg/L, catalyst dosage of 4 g/L, H 2 O 2 concentration of 5 mmol/L, pH value of 3, and temperature of 50°C, up to 99% of phenol was degraded within 9 minutes. The kinetic reaction constant is measured at 0.31 min⁻¹, with the catalyst being reusable for over 33 cycles. This approach shows great potential in treating phenolic wastewater.
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