The C− N bond is one of the most abundant chemical bonds and widely exists in many
organic molecules and biomacromolecules. The formation and transformation of C− N …

Niobium chemistry is not widely known despite increasing interest in the application of
niobium compounds within many fields. Niobium materials are presently of great interest in …

The field of catalysis is continuously invigorated by the discovery of new catalytic materials.
Transition metal phosphides represent one such group of compounds that have recently …

Focusing on layered compounds at the core of materials intercalation chemistry, this
reference comprehensively explores clays and other classes of materials exhibiting the …

In the open literature, there are numerous papers related to the chemical and physical
properties of unsupported transition metal sulfides. Besides characterization studies, the …

A high level of hydrodenitrogenation (HDN) is required to achieve a desirable conversion of
other hydroprocessing reactions. This results from a strong adsorption of nitrogen …

The literature of the catalytic hydrodenitrogenation of nitrogen-containing compounds
present in oil fractions is reviewed. Hydrodesulfurization is also discussed, but only insofar …

The activity of the conventional catalysts during hydroprocessing results from the ability of
Mo (W) S2 to adsorb and activate hydrogen. The optimum of hydrogen adsorption occurs at …

To study the problems inherent in deep hydrodesulfurization (HDS), the separate and
simultaneous HDS of 4, 6-dimethyldibenzothiophene and hydrodenitrogenation (HDN) of …

A tungsten phosphide, WP, hydrotreating catalyst was prepared by temperature-
programmed reduction of an X-ray amorphous tungsten phosphate at a heating rate of …