Results 121 to 130 of about 1,515,032 (291)

The Effect of Boron Concentration on the Properties and Paraselectivity of Zeolite HZSM-5 in the Methylation Reaction of Ethylbenzene

open access: yesBulletin of Chemical Reaction Engineering & Catalysis
In order to increase the selectivity for p-ethyltoluene, catalytic systems based on HZSM-5 zeolite modified with orthoboric acid were obtained, which were used in the alkylation of ethylbenzene with methanol.
Taleh Ordukhan Gahramanov   +5 more
doaj   +1 more source

Non Thermal‐Driven Photocatalytic Ammonia Decomposition at Near‐Room Temperature on a Plasmonic Nanocone Array

open access: yesAdvanced Functional Materials, EarlyView.
Plasmonic photocatalytic ammonia decomposition occurs at near‐room temperature on a plasmonic Au nanocone array under visible light illumination. The nanostructure efficiently harnesses plasmonic modes, leading to increased reaction rates upon plasmon decay.
Thanh‐Lam Bui   +17 more
wiley   +1 more source

Bioconversion of a Glycerol- and Methanol-Rich Residue from Biodiesel Industry into 1,3-Propanediol: The Role of Magnesium

open access: yesFermentation
Biodiesel is one of the most important biofuels worldwide. Besides glycerol, the residual aqueous phase of the transesterification reaction (RAPTR) from the biodiesel industry contains a high concentration of methanol.
Rafael de Moraes Altafini   +2 more
doaj   +1 more source

Z‐Scheme Water Splitting Systems Based on Solid‐State Electron Conductors

open access: yesAdvanced Functional Materials, EarlyView.
This review examines the latest advances in Z‐scheme overall water splitting (OWS) systems for solar hydrogen production. These systems consist of suspended or immobilized hydrogen evolution photocatalysts (HEPs) and oxygen evolution photocatalysts (OEPs).
Chen Gu   +3 more
wiley   +1 more source

Comparison of economic efficiency between single-mode and multimodal transportation of methanol

open access: yesYou-qi chuyun
ObjectiveIn China, there is a significant geographical mismatch between methanol production and demand. Production is concentrated in the coal-rich regions of Northwest China, while demand is primarily in the economic belts of Central and Eastern China ...
Bingquan LIU   +4 more
doaj   +1 more source

Searching for new hypercompact HII regions

open access: yes, 2011
Hypercompact (HC) HII regions are, by nature, very young HII regions, associated with the earliest stages of massive star formation. They may represent the transition phase as an early B-type star grows into an O-type star.
Altenhoff   +17 more
core   +1 more source

Bimetallic Nanoparticles as Cocatalysts for Photocatalytic Hydrogen Production

open access: yesAdvanced Functional Materials, EarlyView.
Recent developments have introduced bimetallic nanoparticles as effective cocatalysts for photocatalytic systems. This review explores the rapidly expanding research on bimetallic cocatalysts for photocatalytic production of hydrogen, emphasizing the creation of carrier‐selective contacts, localized surface plasmon resonance effects, methodologies for ...
Yufen Chen   +4 more
wiley   +1 more source

Methanol transformation in the presence of catalysts on the basis of carbon materials

open access: yesТонкие химические технологии, 2010
Methanol transformation in the presence of catalysts based on various carbon materials - nanofibres synthesized in the presence of Co-, Ni- and Fe-catalysts and of the carbon-carbon composite material Sibunit were studied.
E. V. Egorova, D. A. Bokarev
doaj  

Triethylamine–Water as a Switchable Solvent for the Synthesis of Cu/ZnO Catalysts for Carbon Dioxide Hydrogenation to Methanol [PDF]

open access: hybrid, 2021
William T. Wallace   +5 more
openalex   +1 more source

Photocatalytic Versus Stoichiometric Hydrogen Generation Using Mesoporous Silicon Catalysts: The Complex Role of Sacrificial Reagents

open access: yesAdvanced Functional Materials, EarlyView.
This study highlights the importance of accounting for stoichiometric hydrogen produced when utilizing Si photocatalysts. The stoichiometric contribution is sacrificial reagent dependent and decreases with increasing sterics around the catalyst surface.
Sarrah H. Putwa   +4 more
wiley   +1 more source

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