Economía Circular

Economía Circular

Surface tailoring enables colloidal quantum dot: Metal-oxide nanocrystal hybrid ink for broadband photon energy conversion
- Blending multiple functional nanoparticles (NPs) into one solvent and forming a stable hetero-ink is a promising technology to realize efficient solution-processed heterogeneous structures for...
Synergistic studies of Cassia tora gum with xanthan and guar gum: Carboxymethyl synthesis of cassia gum-xanthan synergistic blend and characterization
- The present study describes the study of synergistic behavior of the Cassia tora (CTG) gum with xanthan gum (XG) and comparison with CTG and guar gum (GG) at varying temperatures. A...
New insight of Mn(III) in ?-MnO2 for peroxymonosulfate activation reaction: Via direct electron transfer or via free radical reactions
- Due to the increasing of industrial plastic waste and its refractory characteristics, it is extremely urgent to develop new degradation technology and environmentally friendly catalyst for industrial...
Regio- and stereoselective biocatalytic hydration of fatty acids from waste cooking oils en route to hydroxy fatty acids and bio-based polyesters
- The development of biorefinery approaches is of great relevance for the sustainable production of valuable compounds. In accordance with circular economy principles, waste cooking oils (WCOs) are...
Biochar catalysts for efficiently 5-Hydroxymethylfurfural (HMF) synthesis in aqueous natural deep eutectic solvent (A-NADES)
- This study prepared a series of biochar-based catalysts using different parts of Larix principis-rupprechtii as feedstock, to promote the 5-Hydroxymethylfurfural (HMF) synthesis from...
Utilization of walnut shell by deep eutectic solvents: enzymatic digestion of cellulose and preparation of lignin nanoparticles
- Studies have been devoted to deep eutectic solvent (DES) pretreatment of biomass to improve its enzymatic efficiency, while subsequent processing of regenerated lignin was absent. Nanosizing is...
Preparation of a salt?responsive Gemini viscoelastic surfactant for application to solids?free drilling fluids
23/11/2022 - A new polymer was obtained from the technical cashew nutshell liquid (t?CNSL). The poly(t?CNSL) is synthesized through the electrosynthesis method. The polymer is low?cost, thermally stable, and easy...
Waste organic acid treatment with polyethyleneimine grafted polystyrene resin
25/11/2022 - AbstractImproving the permeability of concrete is one of the important measures to extend the service life of concrete. In addition, for marine engineering, sewerage projects, and so on, mechanical...
Effects of mechanical recycling on optical properties and microstructure of recycled high?density polyethylene pellets and bottles
26/11/2022 - By introducing aromatic disulfide and designing the synthesis route, we introduce disulfide bonds into the position of the cross?linking point of polyurea and adjust the content of disulfide bonds....
Preparation and process optimization of epoxidized styrene-butadiene latex
29/11/2022 - Abstract Epoxidation modification is an effective method to improve compatibility and dispersion of polar fillers in styrene-butadiene rubber (SBR). However, large amount of...
Impact of Shredded Rubber Waste (SRW) on the Range of Elastic Work of Road Construction Mixtures Containing Industrial Waste Bound with a Binder
29/11/2022 - The paper presents the results of research on a composite mixture intended for use in road construction. The purpose of developing the mixture is to be able to use large amounts of industrial waste...
The Discrepancy between Coal Ash from Muffle, Circulating Fluidized Bed (CFB), and Pulverized Coal (PC) Furnaces, with a Focus on the Recovery of Iron and Rare Earth Elements
29/11/2022 - Coal ash (CA) is not only one of the most solid wastes from combustion, easily resulting in a series of concerns, but it is also an artificial deposit with considerable metals, such as iron and rare...
The Influence of the Use of Technological Waste and the Simulation of Material Lifetime on the Unnotched Impact Strength of Two Different Polymer Composites
29/11/2022 - The article deals with the assessment of the impact of technological polymer waste resulting from plastic injection technology and the subsequent simulation of the lifetime of polymer products on the...
PLA-ZnO/TiO2 Nanocomposite Obtained by Ultrasound-Assisted Melt-Extrusion for Adsorption of Methylene Blue
29/11/2022 - Access to fresh water is an increasing concern worldwide. The contamination of this vital liquid is largely caused by discharges of pollutants into rivers and seas from different types of industries....
A Comprehensive Review on Printed Electronics: A Technology Drift towards a Sustainable Future
29/11/2022 - Printable electronics is emerging as one of the fast-growing engineering fields with a higher degree of customization and reliability. Ironically, sustainable printing technology is essential because...
Degradable Self-Destructive Redox-Responsive System Based on Mesoporous Organosilica Nano-Vehicles for Smart Delivery of Fungicide
29/11/2022 - The development of stimuli-responsive controlled release formulations is a potential method of improving pesticide utilization efficiency and alleviating current pesticide-related environmental...
Amphiphilic Silver Nanoparticles for Inkjet-Printable Conductive Inks
29/11/2022 - The large-scale manufacturing of flexible electronics is nowadays based on inkjet printing technology using specially formulated conductive inks, but achieving adequate wetting of different surfaces...
Production and Characterization of Active Bacterial Cellulose Films Obtained from the Fermentation of Wine Bagasse and Discarded Potatoes by Komagateibacter xylinus
29/11/2022 - Potato waste, such as peels, broken or spoiled potatoes and grape bagasse residues from the winery industry, can be used for the biotechnological production of high-value products. In this study,...
Influence of Selected Crosslinking Agents and Selected Unsaturated Copolymerizable Photoinitiators Referring to the Shrinkage Resistance of Solvent-Based Acrylic Pressure-Sensitive Adhesives
29/11/2022 - The properties of solvent-based pressure-sensitive adhesive (PSA) acrylics, especially shrinkage, are mostly determined by the type and amount of the crosslinking agent added to the prepolymer or by...
Development of Bisphenol-A-Glycidyl-Methacrylate- and Trimethylolpropane-Triacrylate-Based Stereolithography 3D Printing Materials
29/11/2022 - The main advantages of the three-dimensional (3D) printing process are flexible design, rapid prototyping, multi-component structures, and minimal waste. For stereolithography (SLA) 3D printing,...
Effect of Processing Time of Steam-Explosion for the Extraction of Cellulose Fibers from Phoenix canariensis Palm Leaves as Potential Renewable Feedstock for Materials
29/11/2022 - This paper briefly discusses the utilization of pruning wastes as a lignocellulosic source of cellulose fibers, which could be of potential use in the development of valuable materials such as...