THE chromium–aluminium oxide catalyst system is one most commonly used in the aromatization of paraffinic hydrocarbons. In practice, mixtures containing up to 20 per cent chromium oxide are used, this ...

(Nanowerk News) If you’re old enough, you may still have a box of cassette or VHS tapes lying around. These storage devices were popular in the 1970s and 80s, but have since fallen into disuse, ...

The activity-composition curve of co-precipitated chromium oxide-alumina catalysts for the production of toluene from heptane shows two regions of maximum activity. One, at about 70% Cr2O3 is close to ...

CHROMIUM oxide is used extensively as a catalyst, both as the pure oxide and as an essential component of various multicomponent systems. The unsupported chromium oxide gel usually undergoes a ...