Economía Circular
Economía Circular
Green approach for the synthesis of chalcogenyl?2,3?dihydrobenzofuran derivatives through allyl?phenols/naphthols and their potential as MAO?B inhibitors
21/09/2023 -
This work presents the design, synthesis, and MAO?B inhibitor activity of a series of chalcogenyl?2,3?dihydrobenzofurans derivatives. Using solvent? and metal?free methodology, a series of...
Occurrence of a leachable pentavalent chromium species in cement co-processed with tanning sludge
-
AbstractCement kiln co-processing is a major technique for disposing of hazardous solid wastes, yet the formation of toxic soluble compounds during the process may induce further contamination...
Recycling food and agriculture by-products to mitigate climate change: a review
01/12/2023 -
Abstract Food loss and waste is a major issue affecting food security, environmental pollution, producer profitability, consumer prices, and climate change. About 1.3 billion...
A comparative study on the malachite green dye adsorption of chemically synthesized and green MgFe2O4 nanoparticles using gerbera floral waste extract
25/09/2023 -
The situation of discharging a large amount of dyes from the textile industries has caused many adverse effects on human health and the ecosystems. Emerging bio-nanomaterials represent a new trend...
Catalytic pyrolysis of waste printed circuit boards to organic bromine: reaction mechanism and comprehensive recovery
25/09/2023 -
The production of waste printed circuit boards (WPCBs) is increasing, and its complex composition makes recycling difficult. In addition, the presence of heavy metals and brominated flame...
Extraction of rare earth elements from monazite leach liquor using functionalized chitosan sorbents derived from shrimp waste
25/09/2023 -
With the growing need for high-purity rare-earth elements (REEs), the separation of these REEs has received much attention recently. The objective of this research is to produce chitosan from...
Preparation and properties of the glass?ceramics from low Ti?bearing blast furnace slag and waste glass
23/09/2023 -
Ti?bearing blast furnace slag is a typical silicate material, which can be an important component for the preparation of silicate?based glass?ceramics. Quartz?based waste glass is commonly used as an...
Synthesis and characterization of biodegradable and photocrosslinkable multi?block poly(ether?ester): Molecular?weight and component of the polyethylene glycol segment dependence
24/09/2023 -
AbstractDue to similar processing and mechanical properties, poly(butylene adipate?co?terephthalate) (PBAT) is expected to be a fully?biodegradable alternative to low?density polyethylene (LDPE)...
Utilizing bio?derived amine?terminated thermoplastic polyhydroxyurethanes as crosslinkers for hybrid thermosets
23/09/2023 -
Bio?sourced amine?terminated polyhydroxyurethanes (PHUs) are obtained by terpolymerizing bio?based diglycerol dicarbonate (DGC) or mannitol biscarbonate (MBC) with Priamine 1074 and...
Effects of Fertilization Types and Base Saturation on the Growth and Water Productivity in Panicum maximum cv. BRS Zuri
25/09/2023 -
Fertilization management is essential for forage production. However, excessive use of synthetic fertilizers causes environmental imbalances. An alternative to reduce these effects is to seek...
Impact of Fermentation Pretreatment on Drying Behaviour and Antioxidant Attributes of Broccoli Waste Powdered Ingredients
22/09/2023 -
Valorisation of fruit and vegetable wastes by transforming residues and discards into functional powdered ingredients has gained interest in recent years. Moreover, fermentation has been recalled as...
Influence of Benincasa hispida Peel Extracts on Antioxidant and Anti-Aging Activities, including Molecular Docking Simulation
25/09/2023 -
Benincasa hispida peel, a type of postconsumer waste, is considered a source of beneficial phytochemicals. Therefore, it was subjected to investigation for biological activities in this study. B....
Printing, Debinding and Sintering of 15-5PH Stainless Steel Components by Fused Deposition Modeling Additive Manufacturing
23/09/2023 -
Metal FDM technology overcomes the problems of high cost, high energy consumption and high material requirements of traditional metal additive manufacturing by combining FDM and powder metallurgy and...
Micro-Injection Molding and Debinding Behavior of Hydroxyapatite/Zirconia Bi-Materials Fabricated by Two-Component Micro-Powder Injection Molding Process
24/09/2023 -
The micro-scale joining of two different materials using two-component micro-powder injection molding (2C-µPIM) is an intriguing technique. The formation of defects in bi-materials at...
Carbon-in-Silicate Nanohybrid Constructed by In Situ Confined Conversion of Organics in Rectorite for Complete Removal of Dye from Water
23/09/2023 -
The complete removal of low concentration organic pollutants from wastewater to obtain clean water has always been a highly desired but challenging issue. In response to this, we proposed a new...
Thermal Energy Storage Using a Hybrid Composite Based on Technical-Grade Paraffin-AP25 Wax as a Phase Change Material
25/09/2023 -
Thermal energy storage (TES) has a strong ability to store energy and has attracted interest for thermal applications such as hot water storage. TES is the key to overcoming the mismatch between...
Thermoplastic Electromagnetic Shielding Materials from the Integral Recycling of Waste from Electronic Equipment
22/09/2023 -
The European Green Deal’s goals are anticipated to be fulfilled in large part thanks to the New Circular Economy Action Plan. It is believed that recycling materials will have a...
Study on Capillary Water Absorption of Waterborne-Polyurethane-Modified Recycled Coarse Aggregate Concrete
22/09/2023 -
The reuse of construction and demolition waste as a substitute for natural coarse aggregate in the production of recycled concrete has been widely used. In order to study the capillary water...
Pyrolysis Enzymolysis-Treated Pomelo Peel: Porous Carbon Materials with Fe−Nx Sites for High-Performance Supercapacitor and Efficient Oxygen Reduction Applications
25/09/2023 -
This paper proposes a different strategy for deriving carbon materials from biomass, abandoning traditional strong corrosive activators and using a top−down approach with a mild green...
Advancing Plastic Recycling: Challenges and Opportunities in the Integration of 3D Printing and Distributed Recycling for a Circular Economy
25/09/2023 -
The concept of the circular economy has emerged as a promising solution to address the mounting concerns surrounding plastic waste and the urgent need for sustainable resource management. While...
Low-Pressure Hydrothermal Processing of Disposable Face Masks into Oils
23/09/2023 -
A total of 5.4 million tons of face masks were generated worldwide annually in 2021. Most of these used masks went to landfills or entered the environment, posing serious risks to wildlife, humans,...
