Economía Circular

 

Economía Circular

Investigation of the Effect of Reprocessing on Thermal and Mechanical Properties of Polymers and Polymer Nanocomposites
16/11/2024 - This article investigates how reprocessing impacts the thermal and mechanical characteristics of low?density polyethylene, polystyrene, polypropylene, and graphene nanoplatelets reinforced...
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...
Microwave Assisted Biodiesel Production from Waste Cooking Oil Using Steel Slags as Catalyst
16/11/2024 - An active and recyclable catalytic system for biodiesel synthesis starting from waste biomass (waste cooking oil) in the presence of waste material (steel slags) as the catalyst under microwave...
Prediction Model for the Chloride Ion Permeability Resistance of Recycled Aggregate Concrete Based on Machine Learning
13/11/2024 - The chloride ion permeability resistance of recycled aggregate concrete (RAC) is influenced by multiple factors, and the prediction model for this resistance based on machine learning is still...
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...
Destructive Effects of Slag from Municipal Waste Incineration Plants on Cement Composites
14/11/2024 - The increasing production of solid waste and the scarcity of natural aggregates as a matter of fact have made waste recycling a necessity. One such waste, which is generated in large quantities, is...
Induction Heating Optimization for Efficient Self-Healing in Asphalt Concrete
16/11/2024 - In this study, the practical application of self-healing asphalt mixtures incorporating steel wool fibers and induction heating was investigated, expanding upon previous research that primarily...
Insight into the Mechanical Properties and Microstructure of Recycled Aggregate Concrete Containing Carbon Fibers and Nano-SiO2
18/11/2024 - This study aimed to improve the mechanical properties and microstructure of recycled aggregate concrete (RAC) by incorporating carbon fibers (CFs) and nano-SiO2 (NS) to promote the optimal...
Utilization of Alternative Fibres Manufactured from Recycled PET Bottles in Concrete Technology for the Improvement of Fire Resistance
12/11/2024 - This article addresses the potential use of secondary polymer fibres in the field of structural concrete as a replacement for primary polymer fibres (mainly polypropylene/PP/), which are used in...
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...
Amino-Functionalized Metal–Organic Framework-Mediated Cellulose Aerogels for Efficient Cr(VI) Reduction
13/11/2024 - Industrialization activities have increased the discharge of wastewater that is polluted with hexavalent chromium (Cr(VI)), posing risks to ecosystems and humans. The photocatalytic reduction of...
Predicting the Linear Low-Density Polyethylene Content of Custom Polypropylene Blends and Post-Consumer Materials Using Rheological Measurements
14/11/2024 - Contributing to a sustainable economy requires the use of pure recycled materials. Analyzing polyolefin post-consumer materials and cross-contaminations in these materials is an essential part in...
A Review of Polyurethane Foams for Multi-Functional and High-Performance Applications
15/11/2024 - Polyurethane (PU) foams are cellular polymeric materials that have attracted much attention across various industries because of their versatile properties and potential for multifunctional...
Exploring the Sustainable Utilization of Deep Eutectic Solvents for Chitin Isolation from Diverse Sources
16/11/2024 - Deep eutectic solvents (DES) represent an innovative and environmentally friendly approach for chitin isolation. Chitin is a natural nitrogenous polysaccharide, characterized by its abundance of...
Study on Frost Resistance of Recycled Rubber Straw Concrete Using Particle Swarm Optimization Enhanced Artificial Neural Networks
17/11/2024 - Rubber particles and straw powder were used to prepare recycled rubber straw concrete, and the freeze–thaw test was conducted on the recycled rubber straw concrete using the...
Scalable Engineering of 3D Printing Filaments Derived from Recycling of Plastic Drinking Water Bottle and Glass Waste
17/11/2024 - The most significant challenge that the world is currently facing is the development of beneficial industrial applications for solid waste. A novel strategy was implemented to produce a composite...
Utilizing Dairy Waste Processing for Organic Agricultural Production: A Sustainable Approach to Producing Organic Goods
12/11/2024 - Resources are limited. Thus, farmers worldwide are trying to use their waste to best extract value that can promote environmentally friendly farming. Recycling dairy waste for organic cultivation...
The Modification of Waste Polystyrene and Its Application as a Heavy Oil Flow Improver
13/11/2024 - The widespread use of polystyrene has brought great convenience to people’s lives, but inappropriate recycling practices can also have a significant negative impact on the environment...
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...
Integrating Lean Management and Circular Economy for Sustainable Dentistry
18/11/2024 - The increasing focus on environmental sustainability has prompted the healthcare sector, including dentistry, to reconsider waste management practices. Dental offices generate various waste streams...