Results 131 to 140 of about 502,149 (313)

Field Test of a Bioelectrochemical Membrane‐Less Reactor for Chlorinated Aliphatic Hydrocarbon and Nitrate Removal from a Contaminated Groundwater

open access: yesChemPlusChem, EarlyView.
This study evaluates a membrane‐less bioelectrochemical reactor in a real groundwater remediation scenario, targeting chlorinated aliphatic hydrocarbons and nitrate contamination. Electron supply via graphite granules biocathode stimulates reductive dechlorination and nitrate reduction, despite competing processes like sulfate reduction and ...
Geremia Sassetto   +6 more
wiley   +1 more source

Rethinking Chlorine: Essential Chemical or Replaceable Risk?

open access: yesChemSusChem, Volume 18, Issue 13, July 1, 2025.
Chlorine is essential for the production of plastics and pharmaceuticals but poses significant safety and environmental risks. Herein, processes are presented that substitute chlorine or reduce its demand. Where indispensable, trichloride‐ and bichloride‐based ionic liquids could enhance safety and streamline the integration of renewable energy ...
Johannes Schwan   +6 more
wiley   +1 more source

Chemical Feedstock Recovery Through Plastic Pyrolysis: Challenges and Perspectives Toward a Circular Economy

open access: yesChemSusChem, EarlyView.
This review examines the progress and challenges of lab‐scale pyrolytic liquefaction, trends in industrial‐scale projects, and the gap between these technologies, proposing a future research direction for plastic pyrolysis to advance the transition to a circular economy.
Shogo Kumagai   +4 more
wiley   +1 more source

Pathways to Aromatics in the Catalytic Pyrolysis of a Polyvinylchloride Model Compound Revealed by Operando Photoelectron Photoion Coincidence Spectroscopy

open access: yesChemSusChem, EarlyView.
How are aromatics formed during catalytic PVC pyrolysis? By utilizing photoelectron photoion coincidence spectroscopy, the cross‐linking reaction mechanism is unveiled to proceed via butadiene dimerization and trimerization, yielding 5‐ or 6‐membered ring species, which are the precursors for benzene, toluene, and xylenes.
Jovanni Cabana   +16 more
wiley   +1 more source

Nitrogen‐Functionalized Lignin: Current Status, Applications, and Challenges

open access: yesChemSusChem, Accepted Article.
Lignin—a natural, abundant, and renewable biopolymer—has garnered increasing attention for its intrinsic sustainability and versatile chemical architecture. The abundance of reactive functional groups within lignin enables its modification to meet specific application requirements.
Jiansong Chen   +3 more
wiley   +1 more source

Modular, Tricomponent, and Concurrent One‐Pot Synthesis of Libraries of γ‐Keto Sulfones and γ‐Keto Phosphine Oxides using Brønsted Acidic Eutectic Mixtures

open access: yesChemSusChem, EarlyView.
This study presents a sustainable, metal‐free, one‐pot synthesis of γ‐keto sulfones and phosphine oxides using a ChCl/p‐TSA·H2O eutectic mixture. The method enables regioselective CC and CX bond formation under mild conditions, aligning with Green Chemistry Principles.
Marina Ramos‐Martín   +2 more
wiley   +1 more source

Contributions of arid climate and hydrothermal fluid flow on sedimentation in saline‐alkaline lakes: Insight from the Ibar intramontane basin (Southern Serbia)

open access: yesThe Depositional Record, EarlyView.
The article demonstrates that brine was central for the supply of Ca and B to the studied saline lake. The ion transport occurred probably by thermal springs, while contributions from surface waters cannot be excluded. However, the saturation and syndepositional precipitation of Ca borates were initiated by an arid climate through evaporation, while ...
Nevena Andrić‐Tomašević   +8 more
wiley   +1 more source

Insights Into the Light‐Driven Conversion of Methane: Mechanisms, Characterization, and Perspective

open access: yesEcoEnergy, EarlyView.
Methane can be converted into value‐added products, offering a sustainable and economically viable approach to energy and carbon use. Photocatalytic methane conversion under mild conditions is an effective method for activating methane. This review outlines key mechanisms for C–H bond activation, categorizes products from methane conversion, and ...
Jiayi Chen   +3 more
wiley   +1 more source

Exploring Low‐Global Warming Potential Refrigerants for Medium‐Charge Systems

open access: yesEnergy Technology, EarlyView.
This study evaluates 15 low‐global warming potential (GWP) refrigerants as alternatives for medium‐charge systems, focusing on environmental impacts, operational performance, and system design integration. Key findings reveal R‐447A's suitability for standard climates and R‐454B's advantages in high ambient conditions, providing actionable guidance for
Fadi Alsouda   +3 more
wiley   +1 more source

A New Anion Exchange Membranes Pretreatment Protocol for Hydrogen Production by Water Electrolysis

open access: yesEnergy Technology, EarlyView.
This article investigates the effect of pretreatment protocols on the TokuyamaA210 anion exchange membrane for hydrogen production via water electrolysis. A novel water‐based method improves efficiency by 2.6% and reduces reagent use. Characterisation techniques, including scanning electron microscope/energy‐dispersive X‐ray detector and Tafel slope ...
Manuel Ángel González Rodríguez   +4 more
wiley   +1 more source

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