Results 81 to 90 of about 524,929 (324)

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

Advanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat, Guido Barale, John Stavridis, Ehsan Norouzi, Jin‐Yoo Suh, Dong‐Ik Kim, Luca Iuliano, Abdollah Saboori   +7 more
wiley   +1 more source

Comparative Assessment of Protocols for Microplastic Quantification in Wastewater

Microplastics
Microplastics are an increasing concern due to their widespread occurrence in aquatic environments worldwide. The lack of a harmonised protocol for their reliable quantification remains a major challenge in current scientific efforts. This study presents
Rubén Rodríguez-Alegre, Sergi Durán-Videra, David Carmona-Fernández, Laura Pérez Megías, Carlos Andecochea Saiz, Xialei You   +5 more
doaj   +1 more source

Raman Spectroscopic Identification of Oxide Phases in a Corroded MgO–Steel Composite Anode Used in Aluminum Molten Salt Electrolysis

Advanced Engineering Materials, EarlyView.
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 layer sequence of magnetite, hercynite, and an Al‐doped magnetite transition zone is identified.
Felix Drechsler, Serhii Yaroshevskyi, Alexander Adamczyk, Mahnaz Mehdizadehlima, Julia Richter, Cameliu Himcinschi, David Rafaja, Alexandros Charitos, Christos G. Aneziris, Jens Kortus   +9 more
wiley   +1 more source

The conditions for implementing a circular economy in the Czech Republic [PDF]

, 2019
In July 2018, measures of the European Commission regarding the Circular Economy Package (CEP) came into force. All EU Member States have two years since to implement these measures into their national legislations.
Bařinka, Karel, Foltan, Drahomír, Grosoš, Roland, Janovská, Kamila, Piecha, Marian, Podlasová, Anežka, Vilamová, Šárka, Šanda, Martin, Šikýř, Petr   +8 more
core  

Circular economy: Questions for responsible minerals, additive manufacturing and recycling of metals [PDF]

, 2014
© 2014 by the authors; licensee MDPI, Basel, Switzerland. The concept of the circular economy proposes new patterns of production, consumption and use, based on circular flows of resources.
Boyle, T, Fyfe, J, Giurco, D, Littleboy, A, White, S   +4 more
core   +3 more sources

Toward Low‐Consumable Anodes: Process Simulation and Prospective Life Cycle Assessment of NiFe2O4‐NiO‐Ni‐Cu vs. Prebaked Anodes for Aluminum Production with use of Molten Salt Electrolysis

Advanced Engineering Materials, EarlyView.
Low‐consumable nickel ferrite‐based anodes for the Hall–Héroult process are compared with conventional prebaked carbon anodes using thermodynamic simulation and prospective life cycle assessment under contrasting future electricity system pathways from 2025 to 2050.
Felipe Alejandro Garcia Paz, Ulziikhuu Otgonbayar, Alexander Adamczyk, Farhan Hossain, Daniel Vogt, Johan Berg Pettersen, Alexandros Charitos   +6 more
wiley   +1 more source

Bioaugmentation in anaerobic digesters: a systematic review

Biotechnology for Biofuels and Bioproducts
Bioaugmentation, the intentional introduction of specific microorganisms into anaerobic digestion (AD) systems, has shown promise in enhancing methane production and in mitigating stressful conditions, particularly in systems operating below optimal ...
Mozhdeh Alipoursarbani, Jeroen Tideman, Mitzy López, Christian Abendroth   +3 more
doaj   +1 more source

Enhancing Biogas Production and Methane Yields Through Microbial Electrolysis Cell-Assisted Anaerobic Digestion in a Fed Batch Reactor

Fermentation
To address the limitations of conventional anaerobic digestion (AD), this study explored the integration of microbial electrolysis cells (MECs) with AD to improve biogas production and process stability.
Rudolphus Antonius Timmers, Enrique Pérez Zapatero, Fernán Berride García, Miriam Barrazón Peña, Miguel Ángel Sánchez-Gatón, Dolores Hidalgo   +5 more
doaj   +1 more source

Economía circular y empleabilidad de los jóvenes en la Comunidad de Madrid [PDF]

, 2018
Estrategia europea de economía circular dentro de la llamada cuarta revolución industrial. Legislación europea y nacional de regulación de la estrategia. Medio ambiente, residuos eléctricos y electrónicos, dieño desde el producto, estrategia de plásticos,
Llobera Serra, Franco, Ramón Reyero, Eva, Redondo Arandilla, Manuel   +2 more
core  

Interaction of Ladle Slag With Varying SiO2 Content and Recyclate‐Based MgO–C Refractories

Advanced Engineering Materials, EarlyView.
Ladle slags (CaO/Al2O3 = 1) with 1–20 wt% SiO2 were investigated in contact with industrial MgO–C refractories fabricated from fresh magnesia and 50 wt% recyclate. The sessile drop method at 1600°C reveals intensive gas formation, delayed slag infiltration in recyclate‐based samples, and, under high‐SiO2 slag, formation of a dense MgAl2O4‐rich ...
Anton Yehorov, Eldar Salpagarov, Anhelina Mospan, Till Manon Jannis Stadtmüller, Thomas Schemmel, Christos Georgios Aneziris, Olena Volkova   +6 more
wiley   +1 more source