Economía Circular

 

Economía Circular

The effect of surfactant on biosolubilization of weathered coal
23/02/2024 - Weathered coal is a type of coal with barren utility value, which is exposed on the surface for a prolonged time or shallowly buried in coal seams, and the physicochemical properties of weathered...
Photooxidation?induced conformational changes and degradation behaviors of poly(butylene succinate) and poly(butylene succinate?co?adipate)
24/02/2024 - Two biodegradable polyesters, poly(butylene succinate) (PBS) and poly(butylene succinate?co?adipate) (PBSA), were artificially aged in a UV irradiation test chamber, and their photodegradation...
Biotechnological Utilization of Agro-Industrial Residues and By-Products—Sustainable Production of Biosurfactants
26/02/2024 - The importance and interest in the efficient use and valorization of agro-industrial residues and by-products have grown due to environmental problems associated with improper disposal....
Investigation of the Hydrolytic Degradation Kinetics of 3D-Printed PLA Structures under a Thermally Accelerated Regime
24/02/2024 - The application of biobased and biodegradable polymers, such as polylactide (PLA), in fused deposition modeling (FDM) 3D-printing technology creates a new prospect for rapid prototyping and other...
Algae-Based Biopolymers for Batteries and Biofuel Applications in Comparison with Bacterial Biopolymers—A Review
23/02/2024 - Algae-based biopolymers can be used in diverse energy-related applications, such as separators and polymer electrolytes in batteries and fuel cells and also as microalgal biofuel, which is regarded...
Accelerated Weathering Testing (AWT) and Bacterial Biodegradation Effects on Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/Rapeseed Microfiber Biocomposites Properties
24/02/2024 - In the context of sustainable materials, this study explores the effects of accelerated weathering testing and bacterial biodegradation on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/rapeseed...
Development of poly(butylene adipate?co?terephthalate) composites with high thermal oxidation stability using Chrysanthemum morifolium extract as a natural additive
24/02/2024 - Poly(butylene adipate?co?terephthalate) (PBAT) composites were prepared through melt blending using PBAT as the polymer matrix and C. morifolium extract as a natural antioxidant, showing improved...
Recent Trends in Biomass Materials
21/02/2024 - In recent years, biomass materials have garnered increasing amounts of attention due to their excellent biocompatibility, high biodegradability, easy modification, low cost, and high sustainability...
Subcutaneous Application of a Gelatin/Hyaluronic Acid Hydrogel Induces the Production of Skin Extracellular Matrix
20/02/2024 - The development of injectable hydrogels with natural biopolymers such as gelatin (Ge) and hyaluronic acid (Ha) is widely performed due to their biocompatibility and biodegradability. The combination...
Functionalization Methods of Starch and Its Derivatives: From Old Limitations to New Possibilities
21/02/2024 - It has long been known that starch as a raw material is of strategic importance for meeting primarily the nutritional needs of people around the world. Year by year, the demand not only for...
Forest waste composting—operational management, environmental impacts, and application
19/02/2024 - In Portugal, the number of fires and the size of burnt areas are rising dramatically every year, increasing with improper management of agroforestry wastes (AFRs). This work aims to study the...
Biodegradation of malachite green by Pleurotus eryngii: a study on decolorization, mechanism, toxicity, and enzyme
19/02/2024 - The purpose of this study was to investigate the biodegradation of malachite green (MG) by Pleurotus eryngii via decolorization. This study also explored the possible mechanisms and toxicity. The...
Effect evaluation of different green wastes on food waste digestate composting and improvement of operational conditions
15/02/2024 - This study attempted to determine the influence of diverse green wastes on food waste digestate composting and the improvement of operational conditions. Various effects of the green wastes (GW),...
Ductile Copolyesters Prepared Using Succinic Acid, 1,4-Butanediol, and Bis(2-hydroxyethyl) Terephthalate with Minimizing Generation of Tetrahydrofuran
14/02/2024 - Poly(1,4-butylene succinate) (PBS) is a promising sustainable and biodegradable synthetic polyester. In this study, we synthesized PBS-based copolyesters by incorporating 5–20 mol% of...
Degradation of Mechanical Properties of Flax/PLA Composites in Hygrothermal Aging Conditions
15/02/2024 - The main advantage of green composites is their biodegradability, but this biodegradability can also be considered a drawback if the degradation appears during the service life of the component....
Effect of blending sequence and epoxy functionalized compatibilizer on barrier and mechanical properties of PBS and PBS/PLA nanocomposite blown films
08/02/2024 - Sequence blending effect on the interactions among compounds and its impact on oxygen barrier properties.This study focuses on developing compostable nanocomposite blown films, aiming to enhance...
A Novel Bacillus Velezensis for Efficient Degradation of Zearalenone
09/02/2024 - Zearalenone (ZEN) is considered one of the most serious mycotoxins contaminating grains and their by-products, causing significant economic losses in the feed and food industries. Biodegradation...
Sustainable Biocomposites: Harnessing the Potential of Waste Seed-Based Fillers in Eco-Friendly Materials
10/02/2024 - With the growing concerns over environmental degradation and the increasing demand for sustainable materials, eco-friendly composites have gained considerable attention in recent years. This review...
The Impact of the COVID-19 Pandemic on the Amount of Plastic Waste and Alternative Materials in the Context of the Circular Economy
12/02/2024 - The COVID-19 pandemic was first reported on 31 December 2019, in Wuhan. Since then, the rapid spread of the virus has directly impacted various aspects of people’s lives, including...
Effect of acrylic acid on water?whitening resistance of polyacrylate latex films and its mechanism
07/02/2024 - Outline of the synthesis and characterisation of grafted polymer.AbstractThis study presents, the synthesis of microwave?assisted biodegradable polyacrylamide grafted tragacanth gum (Tr?g?PAM), which...
An Overview of Biopolymers for Drug Delivery Applications
08/02/2024 - Nowadays, drug delivery has an important role in medical therapy. The use of biopolymers in developing drug delivery systems (DDSs) is increasingly attracting attention due to their remarkable and...