Economía Circular

 

Economía Circular

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites
22/03/2026 - Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance....
Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments
19/03/2026 - Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected...
Not one-size-fits-all: µ-FTIR and pyrolysis GC-MS for complementary analysis of microplastics in eutrophic surface water
- This study reports large microplastics found in Lake Victoria through an analytical workflow that combines the complementary methods stereomicroscopy, micro-Fourier transform infrared (µ-FTIR)...
Cellulosic L‐Lactic Acid Production by Engineered Na+‐Tolerant Pediococcus acidilactici and Bipolar Membrane Electrodialysis Purification for L‐Lactide Synthesis
21/03/2026 -  ABSTRACTUltra‐pure L‐lactic acid is a crucial precursor for the synthesis of L‐lactide and polylactic acid (PLA). Regular purification of L‐lactic acid results in a low L‐lactic acid...
Polymeric Ionic Liquid: An Efficient Homogeneous Catalyst for Production of 5‐HMF in a Plug Flow Reactor
16/03/2026 - A polyethyleneimine‐functionalized polymeric protic ionic liquid‐1 (PolyE‐IL‐1) catalyst for conversion of fructose to 5‐HMF in a continuous plug flow recycle reactor (PFRR) system, using...
PET‐ and Al‐Based Composite Materials Obtained by SHS‐Method of TiO2–Al(waste)–PET(waste) System
12/03/2026 - This article proposes a unique method for recycling plastic and aluminum waste with TiO2 powder using the self‐propagating high‐temperature synthesis (SHS) method. The resulting products are...
Additive Manufacturing of Polymer‐Derived SiOC Ceramics: A Review of Materials, Techniques, and Applications
17/02/2026 - This review explores the additive manufacturing of polymer‐derived SiOC ceramics, highlighting how stereolithography, digital light processing, and direct ink writing enable the fabrication of...
Effect of Pyrolysis Temperature on Phosphorus Release From Fish Scale Biochar in Wheat Crop
16/02/2026 - The results demonstrate that fish scale–derived biochars are effective phosphorus sources with controlled release behavior. Increasing the pyrolysis temperature, particularly to 600°C, enhanced...
Deep Eutectic Solvent Pretreatment to Enhance the Enzymatic Saccharification Efficiency of Cotton Fibers
- Cotton fibers constitute one of the most abundant cellulose-rich resources, offering potential as feedstock for bioethanol production through enzyme-catalyzed hydrolysis into fermentable sugars....
Waste to Catalyst: Tuning Structure and Composition of Ferrous Scrap‐Derived Alloys by Rapid Solidification for Advanced Catalysis
11/02/2026 - The performance of ferrous scrap‐derived alloys as AOPs catalysts can be enhanced by a rapid solidification strategy. Optimizing the structure of catalysts—from the α‐phase to the ε‐phase...
Strain‐Tunable Thermal Conductivity in Largely Amorphous Polyolefin Fibers via Alignment‐Induced Vibrational Delocalization
09/02/2026 - A fast, reversible, and recyclable thermal switch is realized using largely amorphous polyolefin fibers. Mechanical strain induces polymer chain alignment, which triggers vibrational delocalization,...
Hydrogenation‐Rearrangement of Biomass‐Derived Furfural to Cyclopentanol in Water Over Co/Nb2O5
11/02/2026 - The Co/Nb2O5 catalyst showed high performance in the hydrogenation–rearrangement of furfural in water. Product distribution was media‐dependent: Alcoholic solvents yielded furfuryl alcohol;...