Model discrimination for reactions with stop-effect
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The dynamic behavior of the ethanol adsorption on g-alumina were investigated at 180 and 200 DegC by the transient-response method coupled with FT-IR data of the catalyst surface. The existence of three adsorbates was demonstrated: a reacting species which ...
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This work contributes to the generalization of the Non-faradaic Electrochemical Modification of Catalytic Activity effect, known under the acronym NEMCA. This effect is observed for the first time over an oxide catalyst, namely IrO2 supported on yttria-sta ...
The influence of the acid/base properties of Mg2+-modified alumina on the steady-state and transient behavior of the EtOH to ethene dehydration was investigated by simultaneous gas phase and in-situ surface anal. The steady-state EtOH conversion and the et ...
Periodic operation was applied to CO2 hydrogenation to CH4 at 383 K on 2% Ru/TiO2. A continuous feed recycle reactor combined with a diffuse reflectance IR cell and a mass spectrometer was used to follow simultaneously the gas phase CO2 and CH4 as well as ...
Methanol dehydrogenation to formaldehyde was conducted in a fixed-bed flow reactor with sodium carbonate catalyst mixed with active carbons or transition metals. The additives promoted the reaction rate at 880-970 K without modifying formaldehyde selectivi ...
We present a new method to determine surface diffusion constants using specular reflected thermal helium scattering. The specular reflected helium intensity is recorded in real time as a function of surface coverage of the adsorbate and surface temperature ...
Periodic operation was applied to the CO2 methanation reaction at 383 K on 2% Ru/TiO2. A continuous feed recycle reactor combined with a diffuse reflectance infrared cell and a mass spectrometer allowed to follow simultaneously the gas phase CO2 and CH4 as ...
The reaction of 4-methoxy-1,2,3,4-tetrahydroisoquinolines I (R = MeO, R1 = H; RR1 = OCH2O) with Li diisopropylamide affords dimerization products II. The intermediacy of orthoquinodimethanes and diradicals is assumed. [on SciFinder (R)] ...
