Results 181 to 190 of about 419,470 (292)

Decolorization of Disperse Dyes in Textile Polyester Recycling Using Activated Carbon

open access: yesChemie Ingenieur Technik, EarlyView.
Decolorization of disperse dyes from disodium terephthalate solutions is examined using two activated carbons with varying pore structures and surface properties. The potential impact of pore size distribution and surface charge on the adsorption process is assessed to support optimized adsorbent selection.
Charlotte Lücking   +2 more
wiley   +1 more source

Consistent Techno‐Economic and Environmental Assessment of Hydrogen Production via Electrolysis

open access: yesChemie Ingenieur Technik, EarlyView.
This study performs a techno‐economic and life‐cycle analysis of hydrogen production via electrolysis under five electricity supply scenarios, including flexible operation with a baseload. Results highlight trade‐offs between cost and carbon intensity, exhibiting economic and ecological inefficiency of grid supportive electrolysis in Germany.
Alexandra Göbel   +4 more
wiley   +1 more source

Developments in the EU Emissions Trading System and Their Effects on CCU Pathways

open access: yesChemie Ingenieur Technik, EarlyView.
From an engineer's perspective, the development of the European emissions trading system is analyzed. Difficulties for the use of carbon dioxide, particularly from mixed carbon sources, can be traced back to regulations whose effects might be resolved in the upcoming EU ETS revision. ABSTRACT The analysis presented in this article focuses on provisions
Ulrich Seifert
wiley   +1 more source

Synthesis and characterization of amphiphilic nitroxide 1,1,3,3–tetraethylisoindoline–2–oxyl–5–sodium sulfonate (TEIOSNa)

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal   +3 more
wiley   +1 more source

Harnessing machine learning and optimization for informed chemical engineering decisions: A styrene reactor analysis

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
This study shows that integrating multiple machine learning models with optimization and decision‐making improves chemical process design, and that a consensus‐based strategy across models provides more robust and reliable operating recommendations than any single model, especially under limited or noisy data conditions.
Farough Agin   +2 more
wiley   +1 more source

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