Economía Circular
Economía Circular
Biopolymer‐Based Flame Retardants and Flame‐Retardant Materials
08/01/2025 -
This review presents recent advancements in producing sustainable flame‐retardant materials using biopolymers as additive agents, functional coatings, and structural matrices. The focus is on...
Interfacial Water Regulation for Nitrate Electroreduction to Ammonia at Ultralow Overpotentials
08/01/2025 -
A hydroxide regulation strategy is proposed for optimizing the interfacial H2O behavior for accelerating the hydrogenation conversion of nitrate to ammonia at ultralow overpotentials. The...
Transforming Plastics to Single Atom Catalysts for Peroxymonosulfate Activation: Axial Chloride Coordination Intensified Electron Transfer Pathway
05/01/2025 -
A graphene‐based single‐atom catalyst with atomically dispersed FeN4Cl sites (Fe─N/Cl─C) is produced from high‐density polyethylene and applied in peroxymonosulfate (PMS) activation and...
Advanced Catalysts for the Chemical Recycling of Plastic Waste
02/01/2025 -
This review summarizes recent advanced catalysts applied in thermal catalysis, microwave‐assisted catalysis, photocatalysis, electrocatalysis, and enzymatic catalysis reaction systems for the...
In Situ Reconstructed Hydroxyl‐Rich Atomic‐Thin Bi2O2CO3 Enables Ampere‐Scale Synthesis of Formate from CO2 with Activated Water Dissociation
23/12/2024 -
The hydroxyl‐functionalized atomic‐thin bismuth subcarbonate in situ transformed from bismuth hydroxide nanotubes enables highly efficient and durable carbon dioxide electroreduction into...
Highly Efficient Synthesis of α‐Amino Acids via Electrocatalytic C‐N Coupling Reaction Over an Atomically Dispersed Iron Loaded Defective TiO2
12/12/2024 -
The efficient electrocatalytic synthesis of α‐amino acids with a high glyoxylic acid conversion of ≈100% and a glycine selectivity of 80.2% is achieved with an atomically dispersed Fe loaded...
Closing the Loop in the Carbon Cycle: Enzymatic Reactions Housed in MetalâOrganic Frameworks for CO2 Conversion to Methanol
-
Abstract The preparation of value-added chemicals from carbon dioxide (CO2) can act as a way of reducing the greenhouse gas from the atmosphere. Industrially significant C1...
In?situ reduced Cu3N nanocrystals enable high?efficiency ammonia synthesis and zinc?nitrate batteries
19/11/2024 -
Nitrate reduction reaction (NO3RR) involves an 8?electron transfer process and competes with the hydrogen evolution reaction process, resulting in lower yields and Faraday efficiency (FE) in the...
Flame?Retarded Poly (Lactic Acid) Containing Phosphating Chitosan
19/11/2024 -
ABSTRACTPoly (lactic acid) (PLA) is a promising thermoplastic aliphatic polyester to replace petroleum?based polymers in many fields. However, its flammability has limited its application in areas...
Fabrication of SiC fibers by combining dry spinning with thermal crosslinking
18/11/2024 -
Abstract Crosslinking is a crucial step to keep fibrous morphology and improve ceramic yield in the fabrication process of SiC fibers. Comparing with the oxygen crosslinking,...
Advances and Challenges in WO3 Nanostructures’ Synthesis
20/11/2024 -
In recent decades, nanoscience has experienced rapid global advancements due to its focus on materials and compounds at the nanoscale with high efficiency across diverse applications. WO3...
Pyrolysis of Hydrothermal Sewage Sludge and Food Waste Digestate for Heavy Metals Stabilization and Ecological Risk Reduction
21/11/2024 -
The application of municipal sewage sludge is often limited by concerns over heavy metal (HM) safety. This study explored the reduction of HM content in hydrothermal sewage sludge (HTS) through...
A Discrete Distributed Activation Energy Model for Cedar and Polyethylene Fast Heating Pyrolysis Kinetics
21/11/2024 -
The pyrolysis of municipal solid waste (MSW) is an efficient, cost-effective, and environmentally beneficial thermochemical treatment method. A macro thermogravimetric analyzer (Macro TGA) was used...
Preparation and Characterization of a Novel Ca-Fe-Si-S Composite for the Simultaneous Stabilization of Heavy Metals in Arsenic Slag
-
In this work, a novel Ca-Fe-Si-S composite was prepared from thermal desorption residue through FeSO4 impregnation-pyrolysis. The characteristics and modification process of the composite were...
Fabrication of Ultrahigh?Loading Dual Copper Sites in Nitrogen?Doped Porous Carbons Boosting Electroreduction of CO2 to C2H4 Under Neutral Conditions
16/11/2024 -
Cuobpy complex is assembled into the cages of MAF?4 as a host?guest precursor, and pyrolyzed it into a highly loaded dual copper (21 wt%) nitrogen?doped carbon catalyst, which exhibits an exceptional...
Microplastics in Urban Ambient Air: A Rapid Review of Active Sampling and Analytical Methods for Human Risk Assessment
16/11/2024 -
This study conducted a rapid review to evaluate active air sampling and analytical methods for characterizing outdoor air microplastics in urban areas. We synthesized information from 35...
Melt Spinnability Comparison of Mechanically and Chemically Recycled Polyamide 6 for Plastic Waste Reuse
12/11/2024 -
With the increasing volume of synthetic fiber waste, interest in plastic reuse technologies has grown. To address this issue, physical and chemical recycling techniques for polyamide, a major...
Studying Characteristics of Hot Fine-Grained Asphalt Concrete with the Addition of Coked Sands from the Pyrolysis of Oil Sands
14/11/2024 -
This paper investigates the potential use of coked sands, a byproduct of the thermal processing (pyrolysis) of oil sands, in asphalt concrete mixtures. After pyrolysis extracts the oil from the oil...
An Investigation of the Batch Adsorption Capacity for the Removal of Phosphate from Wastewater Using Both Unmodified and Functional Nanoparticle-Modified Biochars
16/11/2024 -
One of the most widely employed methods for adsorption is the utilization of biochar produced during pyrolysis. Biochar has attracted considerable attention due to its oxygen-containing functional...
Recent developments in the mechanical properties and recycling of fiber?reinforced polymer composites
15/11/2024 -
Recycling methods for various fiber?reinforced polymer composites.Fiber?reinforced polymer composites (FRPCs) have become integral to various industries due to their exceptional strength?to?weight...
Synthesis of Ferrocene?Containing Schiff Bases Based on 3?Aminopropyltriethoxysilane Oligomers for Covalent Modification of Glass Surfaces and Creation of Soft Magnetic Materials
13/11/2024 -
A ferrocene?containing oligoorganosiloxane with ~3200 number?average molecular weight capable of covalent immobilization on the glass surface at 110°C with the formation of a hydrophobic,...
