Economía Circular

Economía Circular

Catalytic Amounts of an Antibacterial Monomer Enable the Upcycling of Poly(Ethylene Terephthalate) Waste
23/03/2023 - An optimal approach for the upcycling of plastics is reported, which permits the direct manufacture of high?value advanced materials and avoids monomer regeneration. More specifically, a novel...
A review on polymers additives in flexible pavement
22/03/2023 - Abstract Globally, the plastic manufacture developed plastic from many years due to the extensive utilization of the plastics in various sectors. The constant interest of the use...
Fabrication of recyclable magnetic Fe3O4–SiO2–Cu2O/Cu core–shell nano-catalyst for high-efficient reduction of aromatic nitro compound
19/03/2023 - Abstract Magnetic core–shell nanomaterial Fe3O4–SiO2–Cu2O/Cu was first successfully synthesized using an economical strategy. Using Fe3O4 as a magnetic center for easy...
A facile approach toward the synthesis of terephthalic acid via aminolytic depolymerization of PET waste and studies on the kinetics of depolymerization
17/03/2023 - In this polymer?governing era, polyethylene terephthalate (PET) has become one of the most demanding consumables. This growing interest in the production and consumption of plastic products results...
Enhancing flame retardancy of polyphenylene sulfide nanocomposite fibers by the synergistic effect of catalytic crosslinking and physical barrier
14/03/2023 - Protective clothing with fascinating flame?retardant features is urgently needed to reduce the large amount of smoke and heat released from combustion during fire protection. In this study,...
Exploring the Prospective of Weed Amaranthus retroflexus for Biofuel Production through Pyrolysis
15/03/2023 - Amaranthus retroflexus or redroot pigweed is a second generation lignocellulosic fuel. Each biomass sample (leaves, inflorescences and stems) was pyrolyzed in a lab-scale furnace, in a nitrogen...
Cooling Energy and Climate Change Nexus in Arid Climate and the Role of Energy Transition
23/03/2023 - Buildings are significant contributors to climate change through their energy consumption, particularly in countries with hot and dry climates where cooling services require substantial amounts of...
Graphene-like Carbon Structure Synthesis from Biomass Pyrolysis: A Critical Review on Feedstock–Process–Properties Relationship
- Biomass pyrolysis is a promising route for synthesizing graphene-like carbon (GLC) structures, potentially offering a cost-effective and renewable alternative to graphene. This review paper responds...
Laminated Cyclic Olefin Copolymer Foil by Pulsed Laser Deposition
10/03/2023 - A cyclic olefin copolymer (COC) is a thermoplastic polymer endowed with glass-like optical transparency, unique biocompatibility, low autofluorescence, good chemical stability, and excellent water...
Study on Thixotropic Properties of Asphalt Mastics Based on Energy Viewpoint
20/03/2023 - An asphalt mastic has thixotropic characteristics that significantly influence its fatigue and healing performance. Therefore, understanding the thixotropy of an asphalt mastic is clearly of great...
Application of Plant Proteases in Meat Tenderization: Recent Trends and Future Prospects
21/03/2023 - Papain, bromelain, and ficin are commonly used plant proteases used for meat tenderization. Other plant proteases explored for meat tenderization are actinidin, zingibain, and cucumin. The...
Material Extrusion 3D Printing (ME3DP) Process Simulations of Polymeric Porous Scaffolds for Bone Tissue Engineering
20/03/2023 - Bone tissue engineering (BTE) is an active area of research for bone defect treatment. Some polymeric materials have recently gained adequate attention as potential materials for BTE applications, as...
Effects of Melt Hydrogenation on the Microstructure Evolution and Hot Deformation Behavior of TiBw/Ti-6Al-4V Composites
21/03/2023 - In this study, Ti-6Al-4V matrix composites reinforced with TiB ceramic whiskers were in situ synthesized and hydrogenated using the melt hydrogenation technique (MHT). The effects of MHT on the...
A Carbonized Zeolite/Chitosan Composite as an Adsorbent for Copper (II) and Chromium (VI) Removal from Water
22/03/2023 - To address Cu(II) and Cr(VI) water pollution, a carbonized zeolite/chitosan (C-ZLCH) composite adsorbent was produced via pyrolysis at 500 °C for two hours. C-ZLCH was characterized using...
Mechanical Properties under Compression and Microscopy Analysis of Basalt Fiber Reinforced Recycled Aggregate Concrete
22/03/2023 - In this study, the basalt fiber content (0%, 0.075%, and 0.15%) and replacement ratio of recycled coarse aggregate (0%, 50%, and 100%) were used as parameters, and the compressive strength of 15...
Enhancing Hydrogen Sulfide Detection at Room Temperature Using ZIF-67-Chitosan Membrane
- Developing new materials for energy and environment-related applications is a critical research field. In this context, organic and metal–organic framework (MOF) materials are a...
Dynamics of Pd Subsurface Hydride Formation and Their Impact on the Selectivity Control for Selective Butadiene Hydrogenation Reaction
19/03/2023 - Structure-sensitive catalyzed reactions can be influenced by a number of parameters. So far, it has been established that the formation of Pd-C species is responsible for the behavior of Pd...
Molecular Engineering of Binder for Improving the Mechanical Properties and Recyclability of Energetic Composites
17/03/2023 - Mechanical properties and reprocessing properties are of great significance to the serviceability and recyclability of energetic composites. However, the mechanical robustness of mechanical...
Recycling of Epoxy/Fiberglass Composite Using Supercritical Ethanol with (2,3,5-Triphenyltetrazolium)2[CuCl4] Complex
21/03/2023 - The widespread use of polymer composite materials (PCM) leads to an increase in non-recyclable waste. This paper discusses the feasibility of recycling fiberglass with an epoxy matrix by solvolysis...
Fungal Screening for Potential PET Depolymerization
22/03/2023 - Approximately 400 billion PET bottles are produced annually in the world, of which from 8 to 9 million tons are discarded in oceans. This requires developing strategies to urgently recycle them. PET...
A Thermo-Catalytic Pyrolysis of Polystyrene Waste Review: A Systematic, Statistical, and Bibliometric Approach
22/03/2023 - Global polystyrene (PS) production has been influenced by the lightness and heat resistance this material offers in different applications, such as construction and packaging. However, population...