Economía Circular
Economía Circular
Click Chemistry for the Generation of Combination of Triazole Core and Thioether Donor Site in Organosulfur Ligands: Applications of Metal Complexes in Catalysis
14/09/2024 -
The synthesis of click?generated organosulfur ligands and their Ru, Rh, Pd, Ir, Os and Cu complexes are discussed. Their applications in various cross?coupling reactions such as Mizoroki?Heck...
Toughening and Imparting Deconstructability to 3D?Printed Glassy Thermosets with “Transferinker” Additives
11/09/2024 -
Transferinkers are cross?linkers capable of undergoing degenerative chain transfer and new strand growth. Incorporating transferinkers into 3D printable photopolymer resins leads to improved tensile...
Antioxidant and Antimicrobial Properties of Stachys maritima via Quantum Dots and Molecular Docking
04/09/2024 -
Stachys maritima is a species of plant belonging to the Lamiaceae, commonly known as common sea lavender. The extraction of S. maritima involves drying the aerial parts, grinding them into powder,...
Pd/C Catalyzed Selective N?monomethylation by Transfer Hydrogenation of Urea derivatives using Methanol as H2 and C1 Sources
29/08/2024 -
N?monomethyl amines are useful intermediates in drugs, natural products, paints. Yet their synthesis is a tremendous challenge due to their high reactivity, typically leading to overmethylation. In...
High sensitivity flexible piezoelectric nanogenerator based on multi?layer piezoelectric composite fiber for human motion energy harvesting
26/08/2024 -
A novel PVC?based ultrafiltration membrane, modified with graphene oxide derived from recycled plastic waste, demonstrates enhanced performance for wastewater purification.AbstractThe purpose of this...
Modeling the Solvolysis of Composite Materials of Wind Turbine Blades
22/08/2024 -
A computational model of solvolysis of composite materials used for wind turbine blades is developed. Depolymerization of the composite is simulated, considering the coupling effects of diffusion and...
Bismuth Nanoparticles and Single Iron Atoms on Carbon Derived from a Covalent Organic Framework Synergistically Catalyze the Oxygen Reduction Reaction
23/08/2024 -
The utilization of catalysts comprising metal nanoparticle has been beneficial for enhancing the performance of oxygen reduction reaction (ORR). However, the unsatisfactory intrinsic activity of...
Non-thermal plasma-catalytic processes for CO2 conversion toward circular economy: fundamentals, current status, and future challenges
24/08/2024 -
Practical and energy-efficient carbon dioxide (CO2) conversion to value-added and fuel-graded products and transitioning from fossil fuels are promising ways to cope with climate change and to...
Foam Ti supported Pd catalysts for the selective hydrogenation of nitroaromatics
21/08/2024 -
The selective hydrogenation of nitroaromatics plays an essential role in the chemical industry for the synthesis of anilines and their derivatives, which are known as crucial fine chemicals and...
Near 100% Conversion of Acetylene to High?purity Ethylene at Ampere?Level Current
18/08/2024 -
The delicately prepared CuO nanoribbons electrocatalyst with abundant vacancies exhibits superior electrocatalytic performance for the semi?hydrogenation of C2H2 to C2H4 in the C2H2?to?C2H4 flow cell...
Rapid humification of cotton stalk catalyzed by coal fly ash and its excellent cadmium passivation performance
17/08/2024 -
Due to industrialization, soil heavy metal pollution is a growing concern, with humic substances (HS) playing a pivotal role in soil passivation. To address the long duration of the compost...
Efficient CoCu/SiO2 Catalyst Derived from Co(Cu) Silicate for Aqueous?Phase Furfural Hydrogenation
12/08/2024 -
A series of Co?Cu bimetallic silicates were prepared on the surface of SiO2 microspheres using in situ synthesis method. After reduction, the metal and the support are derived from the same...
Fabrication of CoFe?layered double hydroxide for flame retardant and smoke suppression of silicone rubber foam
07/08/2024 -
Highly active iron catalyst derived from the polyacrylonitrile threads.AbstractChemoselective reduction of nitroarenes to corresponding arylamines is a significant reaction in the chemical industry....
Small microplastics have much higher mass concentrations than large microplastics at the surface of nine major European rivers
01/08/2024 -
Understanding the fates and impacts of microplastics requires information on their sizes, polymer types, concentrations, and spatial and temporal distributions. Here, we focused on large (LMPs,...
Measurement of thermal conductivity of thermally reactive materials for use in pyrolysis models
29/07/2024 -
Pyrolysis models are used in the fire science field to simulate the thermal decomposition of materials. These models require knowledge of the kinetic and thermodynamic parameters of an assumed...
Cobalt Nanoparticles catalyzed N?Heterocycles Synthesis via Acceptorless Dehydrogenative Coupling
29/07/2024 -
The acceptorless dehydrogenation reaction is a sustainable and atom?economical methodology in organic synthesis, resulting in the byproducts of only hydrogen or water. Herein, a robust Co?Si/CN...
Adsorption of methane by modified-biochar aiming to improve the gaseous fuels storage/transport capacity: process evaluation and modeling
27/07/2024 -
The CH4 storage by adsorption on activated carbons for natural gas handling has gained interest due to the appearance of lightweight materials with large surface areas and pore volumes....
Synthesis, Characterization, and Thermal Pyrolysis Mechanism of Resorcinol?Formaldehyde Resin?Containing Phenylboronic Acid
19/07/2024 -
In this study, a resin is synthesized from resorcinol and formaldehyde in the presence of phenylboronic acid. The 80?°C/4?h curing method is the most reasonable for energy savings. While the char...
Achieving High Strength and Superior Wear?Resistant Properties in TiH2 Matrix Reinforced with Graphene Nanoplates
18/07/2024 -
Low?cost TiC/Ti composites with high strength?ductility and superior abrasive resistance are fabricated using TiH2 powder and graphene as raw materials via spark plasma sintering and hot rolling...
Liquid Gallium?Assisted Pyrolysis of MOF Affording CNT Non?Hollow Frameworks in High Yields for High?Performance Sodium?Ion Battery Anode
18/07/2024 -
Liquid gallium?assisted pyrolysis and subsequent acid treatment are cleverly used to obtain a high yield of O?rich carbon nanotube (CNT) non?hollow framework (NOCNTF?15) at relatively low...
Preparation of catalyst for CO2 hydrogenation reaction based on the idea of element sharing and preliminary exploration of catalytic mechanism
17/07/2024 -
Under the background of the continuous rise of CO2 annual emissions, the development of CO2 capture and utilization technology is urgent. This study focuses on improving the catalytic capacity of...
