Economía Circular

 

Economía Circular

Raman Spectroscopic Identification of Oxide Phases in a Corroded MgO–Steel Composite Anode Used in Aluminum Molten Salt Electrolysis
03/04/2026 - Micro‐Raman spectroscopy is applied to characterize corrosion products in a recycled‐based MgO–316L steel composite anode after molten salt electrolysis. A depth‐dependent Fe–O/Fe–Al–O...
Synergistic Nanoconfinement and UV Crosslinking Enabling Self‐Strengthening, Ultra‐Robust Shape‐Memory Elastomers
02/04/2026 - A synergistic strategy combining H‐COF nanoconfinement with UV‐triggered cross‐linking is proposed to enhance the mechanical properties of poly(urea‐urethane) elastomers. This synergy...
Deep Learning as a Compass for Industrial Biocatalysis: The Grase Framework Rewrites the Rules for Polyurethane Recycling
04/04/2026 - Graphical Abstract and Lay SummaryThe GRASE deep‐learning framework overcomes the enzyme activity–stability trade‐off to discover AbPURase, a robust biocatalyst that efficiently depolymerizes...
Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates
29/03/2026 - Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored...
Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid
29/03/2026 - This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional...
Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC
27/03/2026 - ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix...
In Vivo Multi‐Enzymatic Catalysis for Bioproduction of L‐Lactic Acid from Sole Methanol
23/03/2026 - Graphical Abstract and Lay SummaryThe biotransformation of methanol to L‐lactate links carbon neutrality to bioplastic production. We developed an in vivo multi‐enzymatic system using glucose for...
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...