Results 51 to 60 of about 81,961 (270)
Study on the Mechanism of Gas Component Release for Biomass Pyrolysis [PDF]
E3S Web of Conferences, 2019 Biomass energy utilization can solve the contradiction between economic development and energy and environment. Biomass pyrolysis technology is not only one of the thermochemical conversion technologies, but also the necessary stage of biomass ...
Li Hongtao +4 more
doaj +1 more source
A Predictive Model for Catalytic Methane Pyrolysis [PDF]
J. Phys. Chem. C 128 (2024) 9034-9040Methane pyrolysis provides a scalable alternative to conventional hydrogen production methods, avoiding greenhouse gas emissions. However, high operating temperatures limit economic feasibility on an industrial scale. A major scientific goal is, therefore, to find a catalyst material that lowers operating temperatures, making methane pyrolysis ...
arxiv +1 more source
PMMA Pyrolysis Simulation -- from Micro- to Real-Scale [PDF]
arXiv, 2023 In fire spread simulations, heat transfer and pyrolysis are processes to describe the thermal degradation of solid material. In general, the necessary material parameters cannot be directly measured. They are implicitly deduced from micro- and bench-scale experiments, i.e.
arxiv
Sono‐Piezo‐Photosynthesis of Ethylene and Acetylene from Bioethanol under Ambient Conditions
Advanced Functional Materials, EarlyView.A novel sono‐piezo‐photocatalytic strategy enables the conversion of bioethanol to ethylene (C2H4) and acetylene (C2H2) under ambient conditions, addressing the limitations of conventional methods that are high‐temperature and energy‐intensive. By using an advanced graphene oxide/sodium bismuth titanate heterostructure catalyst, this work achieved ...
Yue Jiang +21 more
wiley +1 more source
Ab Initio and Kinetic Modelling of $β$-D-xylopyranose Under Fast Pyrolysis Conditions [PDF]
arXiv, 2023 Lignocellulosic biomass is an abundant renewable resource that can be upgraded to chemical and fuel products through a range of thermal conversion processes. Fast pyrolysis is a promising technology that uses high temperatures and fast heating rates to convert lignocellulose into bio-oils in high yields in the absence of oxygen. Hemicellulose is one of
arxiv
Gd‐Induced Oxygen Vacancy Creation Activates Lattice Oxygen Oxidation for Water Electrolysis
Advanced Functional Materials, EarlyView.DFT calculations shows that Gd incorporation into Fe‐doped NiO raises the O 2p band center, lowers oxygen vacancy formation energy, and thus promotes the LOM mechanism for OER. Gd and Fe co‐doped NiO nanosheets synthesized via spray combustion exhibits a low overpotential of 227 mV and maintains stable AEMWE performance for over 120 h, demonstrating ...
Yong Wang +18 more
wiley +1 more source
Pyrolysis of Coconut Shell: An Experimental Investigation
The Journal of Engineering Research, 2009 Fixed-bed slow pyrolysis experiments of coconut shell have been conducted to determine the effect of pyrolysis temperature, heating rate and particle size on the pyrolysis product yields.
E. Ganapathy Sundaram, E. Natarajan
doaj +1 more source
Advanced Functional Materials, EarlyView.This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner +9 more
wiley +1 more source
Electronic MaterialsWaste printed circuit boards (WPCBs) hold great recycling value, but improper recycling can lead to environmental issues. This study combines pyrolysis and microwave technologies, leveraging the unique phenomenon where metal materials tend to “spark” in ...
Diyi Jin +4 more
doaj +1 more source
Etude cinétique de CVD de pyrocarbone obtenu par pyrolyse de propane [PDF]
arXiv, 2009 High temeperature (900-1000\degree C) low pressure (<< 1 atm) pyrolysis of propane yields a pyrocarbon deposit, but also mainly hydrogen and hydrocarbons from methane to polyaromatics. 30 reaction products were exeperimentally quantified at different operating conditions.
arxiv