Two main aspects were studied: the effect of the oxidant reagent and the presence of nitrogen compounds on ODS of benzothiophenic compounds prevailing in diesel, such as benzothiophene, dibenzothiophene and alkyl substituted in positions 4 and 6. Results show that activity is improved when using hydrogen peroxide, as oxidant reagent, and V2O5/Al2O3, as catalyst.
DOC quality monitored during one simultaneous rainfall event differed between the two study catchments, with more humic, higher molecular weight compounds prevailing in the agricultural catchment and lower molecular weight compounds prevailing in the semi-natural catchment.
Oxidesulfurization (ODS) of benzothiophenic compounds prevailing in diesel was conducted with hydrogen peroxide in presence of various catalysts, using a model diesel and actual diesel fuel.
Titanium oxide nanotubes (TiN) and a titanium-substituted mesoporous SBA-15 molecular sieve were synthesized, characterized and tested in oxidative desulfurization (ODS) of dibenzothiophene compounds prevailing in diesel fuel.
Vanadium-molybdenum oxides supported on alumina were prepared by successive wet-impregnation, in order to evaluate their activity in oxidative desulfurization (ODS) of sulfur compounds prevailing in diesel fuel.
The increase in the strength could be due to the fact that the lime fully employed the available silica from the clay to form additional cementitious compounds, prevailing pozzolanic calcium silicate hydrate with increase in the amount of quicklime, no accelerating effect was detected due to the diminished proportion of soluble silica in the pore solution.
The calcium compounds are prevailing among the sorbents and gypsum is the end product.
While brooding beside his campfire that night, Bragg decided to reorganize his Confederates in the face of the enemy, a bizarre move that compounded the prevailing confusion.
As evident, the copper- containing compounds are those prevailing in both coloured zones.
A simple thermodynamic modeling of the liquidus line indicated a relatively complex mixing behavior, and highlighted the prevailing effect of the peritectic compound on solubility.
