Economía Circular

 

Economía Circular

Advancements, Challenges, and Pathways to Sustainable Biofuel Production
22/02/2024 - A comprehensive review of all available physical, physiochemical, thermochemical, and biochemical techniques is given that are effectively applied for the production of biofuels (bioethanol,...
Synthesis, Structure and Reactivity of a Mononuclear N,N,O?Bound Fe(II) ??Keto?Acid Complex
22/02/2024 - Modelling ??Ketoglutarate?Dependent Enzymes. We employed a bulky, tripodal N,N,O phenolate ligand to synthesise the first example of a mononuclear, N,N,O?bound iron(II) ??keto?acid complex. This...
Visible Light?Induced Metal?free Arylation of Coumarin?3?carboxylates with Arylboronic Acids
22/02/2024 - The present work reports a novel methodology for the selective arylation of coumarin?3?carboxylates with arylboronic acids via a photochemical route, marking the first?ever attempt for the direct...
A Novel Approach to Combat Microfiber Release from Polyester Textiles Through Surface Treatment
25/02/2024 - Mitigating microfiber release from textiles is one of the most challenging tasks, as the release occurs in every stage of its life cycle. Despite several reported measures to mitigate the...
Sustainable geopolymers from polyethylene terephthalate waste and industrial by-products: a comprehensive characterisation and performance predictions
26/02/2024 - Abstract Several researchers have recently worked to create sustainable building materials. One of the fundamental prerequisites for sustainable construction methods and...
Mechanical, physical and thermal properties of waste polypropylene/polystyrene/natural rubber (wPP/PS/NR) blends
23/02/2024 - Abstract Combining two or more polymers as a blend is necessary rather than synthesizing new ones for the balance of polymer properties for end-use applications. This work...
Aerospace, Vol. 11, Pages 181: Combustion of Date Stone and Jojoba Solid Waste in a Hybrid Rocket-like Combustion Chamber
25/02/2024 - The performance of two solid biomass wastes, date stone and jojoba solid waste, was experimentally examined for their potential application in combustion and propulsion systems. The fuels were tested...
Effects of Waste Plastic and Glass Aggregates on the Strength Properties of Ambient-Cured One-Part Metakaolin-Based Geopolymer Concrete
23/02/2024 - The production of Portland cement (PC) is associated with carbon emissions. One-part geopolymer “just add water” is a user- and environmentally-friendly binder that can...
The Utilization of Crushed Corn Cob as a Sand Substitute in Portland Cement Mortars for Sustainable Construction
23/02/2024 - The utilization of mineralized sandy shredded corn cob (SCC) as a partial replacement for fine aggregate in Portland cement mortars (PM) presents an innovative opportunity for sustainable...
Sustainable Structural Lightweight Concrete with Recycled Polyethylene Terephthalate Waste Aggregate
26/02/2024 - Plastic is a widely consumed material with a high decomposition time, occupying significant space in landfills and dumps. Thus, strategies to reuse plastic waste are imperative for environmental...
Sustainable Approach to Development of Antimicrobial Textile Pads for Sweat Absorption
23/02/2024 - Double-layered textile sweat-absorbing underarm pads with a natural antimicrobial treatment can be used to solve the problem of the wetness sensation in the case of increased physical activity or...
Exploring the Impact of Infusion Parameters and In Vitro Digestion on the Phenolic Profile and Antioxidant Capacity of Guayusa (Ilex guayusa Loes.) Tea Using Liquid Chromatography, Diode Array Detection, and Electrospray Ionization Tandem Mass Spectrometry
24/02/2024 - Guayusa tea is derived from the leaves of the Ilex guayusa Loes. plant, which is native to the Amazon rainforest. Beyond its pleasant sensory properties, Guayusa tea is rich in antioxidants,...
Mechanical Properties of Rubberised Geopolymer Concrete
23/02/2024 - The environmental impact of non-biodegradable rubber waste can be severe if they are buried in moist landfill soils or remain unused forever. This study deals with a sustainable approach for reusing...
The Influence of Reflowing Process on Electrodeposited Sn-Cu-Ni Lead-Free Solder Alloy
23/02/2024 - Sn-Cu-Ni lead-free solder alloy electrodeposited on copper substrate from a deep eutectic solvent (DES)-based electrolyte under direct current (DC) and pulsed current (PC) was subjected to a...
Low-Density Polyethylene-Based Novel Active Packaging Film for Food Shelf-Life Extension via Thyme-Oil Control Release from SBA-15 Nanocarrier
26/02/2024 - The use of natural raw substances for food preservation could provide a great contribution to food waste reduction, circular economy enhancement, and green process application widening. Recent...
Synthesis of L-Lactide from Lactic Acid and Production of PLA Pellets: Full-Cycle Laboratory-Scale Technology
25/02/2024 - Lactide is one of the most popular and promising monomers for the synthesis of biocompatible and biodegradable polylactide and its copolymers. The goal of this work was to carry out a full cycle of...
External Stimuli-Induced Welding of Dynamic Cross-Linked Polymer Networks
24/02/2024 - Thermosets have been crucial in modern engineering for decades, finding applications in various industries. Welding cross-linked components are essential in the processing of thermosets for repairing...
In-Line Co-Processing of Stainless Steel Pickling Sludge Using Argon Oxygen Decarburization Slag Bath: Behavior and Mechanism
26/02/2024 - Stainless steel pickling sludge (SSPS) is classified as hazardous solid waste, while Argon Oxygen Decarburization (AOD) slag is challenging to utilize due to the leaching toxicity of Cr. This study...
Polyurethane?polyisocyanurate (PUR?PIR) foams based on castor oil modified with tire rubber waste: Statistical?based analysis
24/02/2024 - Development of PUP?PIR foams based on castor oil modified with tire rubber wasteThis study explores the utilization of bio?polyol, derived from castor oil modified with waste tire rubber (WTR), in...
Thin and high conductive multi?walled carbon nanotubes/polydimethylsiloxane composite film prepared via solvent method as strain sensors
22/02/2024 - Flexible strain sensors based on conductive fillers and flexible polymers possessed significant advantages in human motion detection. Preparing a strain sensing layer with high electrical...
Synergistic effect of activated carbon from disposed plastics and polybenzoxazine composite coating on corrosion inhibition
22/02/2024 - The fabrication of activated carbon dispersed polybenzoxazine (BXP) composite through a single step melt condensation technique is reported. Employing green strategy, activated carbon (AC) was...