The chemistry of polyoxometalates (POMs), a classic category of inorganic materials known since 1800s, has been widely studied for catalysis, medicine and many others [1-4]. POMs are considered as polynuclear oxo-bridged early transition metal...

Bis(2-R-ind)ZrCl2 (R: H or phenyl) was supported on different types of silica by in situ impregnation method and used for ethylene polymerization. In this method, the step of catalyst loading on support was eliminated and ...

Résumé / Abstract

A highly efficient, selective, fast, and cheap protocol is developed for oxidation of aromatic amines and alcohols utilizing 34% hydrogen peroxide in water catalyzed by some W- and Mo-based ...

Abstract

A highly efficient, selective, and cheap protocol is developed for oxidation of a variety of aliphatic and aromatic alcohols with hydrogen peroxide utilizing simple W- and Mo-based heteropolyoxometalate ...

Today, the presence of heterogeneous catalysts in the chemical industry is very extensive and highlighted. The development of technical knowledge of new catalysts to increase the efficiency of industrial units has become ...

The chemical effects of ultrasound derive primarily from acoustic cavitation. Bubble collapse in liquids

results in an enormous concentration of energy from the conversion of the kinetic energy of the liquid

motion ...