2025 June - 100 articles
The efficient removal of emulsified oil and trace organic pollutants via forward osmosis (FO) technology remains challenging due to limited water flux and membrane fouling. In this study, a series of metal oxide-modified PES-based composite FO membra...
Microwave-assisted ionothermal strategies offer an effective pathway for rapid zeolite crystallization under mild conditions, while conventional ionothermal approaches are still constrained by prolonged crystallization cycles that limit their industr...
The N2 reduction reaction (NRR) under ambient conditions is highly desirable because of its potential to replace the energy-consuming Haber-Bosch process for ammonia production. In recent years, much attention has been devoted to transition metal-bas...
For PEM fuel cell operation, high-purity hydrogen gas containing only trace amounts of carbon monoxide is a prerequisite. The water–gas shift reaction (WGSR) is an industrially applied mature operation mode to convert CO with H2O into CO2 (maki...
Photodegradation is a sustainable green technology that has been studied worldwide, especially for wastewater treatment. The calcination temperature has an important impact on the physicochemical properties of the prepared photocatalysts. In this stu...
Oleochemicals, which are obtained from vegetable and animal fats and oils, have become indispensable in the food, cosmetics, pharmaceutical and biofuel industries. Traditionally, they are synthesized using chemical catalysts, a process that is often...
NiS nanoparticles were chemically deposited on the surface of g-C3N4, in situ, followed by high-temperature calcination to prepare x-NiS/g-C3N4 co-catalyst-based S-scheme heterojunction photocatalysts. Due to the intrinsic charge accumulation prefere...
Platinum was supported on ZSM5 at loadings from 0.1 to 1 wt% and tested for the Selective Catalytic Reduction of NO with H2 under excess O2 in a fixed bed reactor to address the issue of NOx emission abatement from H2-fueled internal combustion engin...
As multifunctional platform molecules, α-keto acids and their esters hold significant value in pharmaceutical synthesis, functional materials, and metabolic processes. Conventional chemical synthesis routes for these compounds are well-establis...
This research systematically investigates the influence of high-energy ball-milling (BM) parameters on the acidic and textural properties of zeolite Y. Among the BM parameters, the milling time (MT) exerted a more significant influence on the zeolite...
This study investigated the remediation of organic acid pollutants, specifically butyric acid (C4H8O) and valeric acid (C5H10O2), as well as their binary mixtures in the vapor phase at various ratios. The remediation process involved the use of a con...
Fe-doped BiOBr nanomaterials with varying Fe concentrations were synthesized using a solvothermal method. Paracetamol (APAP) was selected as the target pollutant to evaluate the visible-light-driven peroxydisulfate (PDS) activation performance of the...
To develop eco-friendly low-temperature NH3-SCR catalysts for the non-electric industry, a series of CeMn-modified Ba2Ti5O12 catalysts were synthesized using the sol-gel method to achieve denitrification. Activity tests revealed that Ce-Mn-modified B...
With the rapid advancement of industrialization, dye-containing wastewater has emerged as one of the primary pollution sources in aquatic environments, posing a significant threat to ecosystems and human health. S-scheme heterojunction photocatalysis...
Nanomaterials are interesting due to their unexpected and unique properties arising from phenomena occurring at the so-called mesoscale (that is, between single atoms and bulk solids). Among nanomaterials, one may distinguish quantum dots, which are...
Herein, we report on the synthesis of Ni and Zn clusters on the surface of TiO2 as well as their bimetallic NiZn analogs. The materials were prepared by incipient wet impregnation of colloidal TiO2 followed by microwave (MW) irradiation to graft the...
Catalytic CO2 methanation represents a promising process route for converting carbon dioxide into methane, a valuable energy carrier. This study investigates the performance of Ni-based catalysts on mixed silica and MgO support materials for CO2 meth...
Although platinum-based catalysts are highly effective for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs), their high cost and scarcity limit large-scale commercialization. As a result, platinum group metal-free c...
Herein, all components of corncob residues were acetylated to synthesize an acetone-soluble resin material. Moreover, titanium oxysulfate (TiOSO4), a low-cost intermediate for the industrial production of TiO2, was first used as an acetylation reagen...
Deep eutectic solvents (DESs) have emerged as prominent, environmentally benign substitutes for traditional solvents and catalysts in organic synthesis, notably in the synthesis of amines, pivotal structures in many industrial sectors. Their distinct...
The [PdCl2(cod)] complex was encapsulated inside a self-assembled hexameric capsule obtained via a reaction of 2,8,14,20-tetra-undecyl-resorcin[4]arene and water. The formation of an inclusion complex was deduced from a combination of spectral measur...
This study describes a monolithic silicalite-1 catalyst support designed for tritium oxidation reactions under humid conditions. Monolithic molecular sieves (sil-s) were fabricated by converting silica binders to silicalite-1 through secondary crysta...
The growing presence of hazardous organic pollutants in wastewater poses severe environmental and health risks, necessitating sustainable and efficient treatment solutions. Traditional remediation methods have limitations, highlighting the need for i...
In recent years, an increasing number of published articles on biocatalysis have reported new enzymes that exhibit biotechnologically interesting catalytic activities. Some authors rush to publish their work in an attempt to ensure “novelty&rdq...
Aromatic volatile organic compounds (VOCs) pose significant environmental and public health risks due to their toxicity, carcinogenicity, and role as precursors of hazardous secondary pollutants. Zeolite-based metal catalysts, with their well-defined...
The persistent contamination of aquatic systems by antibiotics, particularly tetracycline (TC), which induces antibiotic resistance genes and chronic toxicity to aquatic organisms, necessitates advanced oxidation processes. Herein, cobalt phosphonate...
Water electrolysis for hydrogen production has garnered significant attention in the context of increasing global energy demands and the “dual-carbon” strategy. However, practical implementation is hindered by challenges such as high over...
The incorporation of Mg into PtCoAl catalysts was systematically investigated to elucidate its impact on the physicochemical properties and catalytic performance in CO2 hydrogenation. A series of x% Mg-PtCoAl catalysts with varying Mg contents were s...
Mesoporous silicas of MCM-41 and MCM-48 types were synthesized and modified with copper using the ammonia-driven deposition precipitation (ADP) method, resulting in highly dispersed copper species. Samples with varying copper loadings were thoroughly...
In recent years, transition metal-based catalytic materials have garnered considerable attention, particularly those exhibiting high catalytic efficiency toward both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). In this w...
Whey, a large-scale dairy industry by-product, can be converted into whey protein concentrate (WPC), providing a cost-effective nutrient-rich substrate for microbial fermentation. We investigated protease production by Aspergillus oryzae using WPC as...
The “11th International Congress on Biocatalysis (biocat2024)” was part of a biennial series that unites the fields of biology and chemistry, attracting researchers from the life sciences, engineering, and computer science. This internati...
Biocatalysis, leveraging the catalytic power of enzymes or whole microbial cells, has firmly established itself as a pivotal technology for sustainable chemical synthesis, environmental remediation, and the production of value-added compounds [...]
For the efficient operation of various TiO2-based devices, it is important to understand the patterns of electric charge transport. In the present paper TiO2-C-Cu nanocomposites were synthesized by the electrochemical method. The band gap energy Eg o...
Enzymes, as nature’s precision biocatalysts, hold transformative potential across industrial, environmental, and biomedical sectors. However, their instability, solvent sensitivity, and limited reusability in their free form necessitate advance...
Arsenic (As) and cadmium (Cd) contamination in groundwater poses significant risks to human health and environmental sustainability. Iron–manganese minerals and associated microorganisms in subsurface environments exhibit remarkable potential f...
Polybutadiene (PB) and polyisoprene (PI) rubbers are indispensable synthetic elastomeric materials widely used in tires, footwear, hose, belts, sealants, electricity, construction, and other applications. Nowadays, PB and PI elastomers are produced f...
Biochar-based materials have gathered increasing attention as sustainable catalysts for carbon dioxide (CO2) valorization, offering a green alternative to traditional metal-based systems. Produced from renewable biomass through pyrolysis, biochar pos...
A rational design strategy for active sites on the catalyst surface can effectively enhance CO2 reduction reaction (CO2RR) selectivity. Transition metal atoms from the fourth (Sc–Ni) and fifth (Y–Mo, Ru–Pd) periods were doped onto t...
Zinc oxide (ZnO) photocatalysts are recognized for their ease of synthesis, cost-effectiveness, efficiency, scalability, and environmental compatibility, making them highly suitable for addressing wastewater contamination. In this study, various comp...
With the rapid advancement of industrialization, the adverse impacts of organic pollutants on the water environment of aquatic ecosystems have become increasingly concerning. Consequently, the development of efficient and environmentally friendly pho...
The design of efficient and stable visible-light-driven photocatalysts is paramount for sustainable hydrogen (H2) evolution and the degradation of organophosphorus pesticides, exemplified by dichlorvos (DDVP). In this work, we synthesized a co-cataly...
Xylanases, important enzymes in the food industry, have severely limited use in industrial applications due to insufficient thermal stability. This study focused on improving the thermostability of XynASP, a glycoside hydrolase family 11 (GH11) xylan...
Covalent triazine frameworks (CTFs) are a class of porous organic semiconductors containing a large number of triazine units, which gives them many properties suitable for photocatalysis, such as high porosity, good tunability, and excellent chemical...
This study aimed to characterize and evaluate the fibrinolytic, thrombolytic, hematological, and toxicological aspects of a serine protease (AsKSP) from Aspergillus tamarii Kita UCP 1279. The enzyme was purified using a two-phase aqueous system...
This review describes the different developments in the production of ethylene oxide (EO) by epoxidation of ethylene. EO is an important chemical intermediate for the manufacture of a variety of industrial and consumer products, such as ethylene glyc...
The dry reforming of methane (DRM) converts two greenhouse gases, CH4 and CO2, into H2 and CO, offering a crucial technological pathway for reducing greenhouse gas emissions and producing clean energy. However, the reaction faces two main challenges:...
Owing to global energy demands and climate change resulting from fossil fuel use, technologies capable of converting greenhouse gases into renewable energy resources are needed. One such technology is photocatalytic CO2 reduction, which utilises sola...
Despite significant advancements in designing tandem catalysts for CO2 hydrogenation to aromatics, the role of zeolite acid property in regulating the selectivity of light aromatics (benzene, toluene, and xylene, abbreviated as BTX) remains unclear....
Utilizing isomeric monomers to construct covalent organic frameworks (COFs) could easily and precisely regulate their structure in order to raise the photocatalytic performance towards two-step single-electron oxygen reduction reaction (ORR) to hydro...
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