Petroleum refining uses numerous processes including thermal, catalytic and hydrogenation
upgrading processes as shown in Fig. 1. The hydrogenation processes include three major …

The synthesis of bimetallic Co–Mo compounds from ammonium heptamolybdate, citric acid
and cobalt acetate for the preparation of catalysts for the ultra-deep hydrodesulfurization …

Genesis of alumina supported hydrotreating (HDT) catalysts prepared with the use of
decamolybdodicobaltate heteropolyanion (Co 2 Mo 10 HPA) and cobalt citrate during their …

The effect of Co/Mo ratio in the CoMo/Al2O3 hydrotreating catalysts prepared by
simultaneous using of the decamolybdodicobaltate heteropolyacid (Со2Мо10HPA) and …

The bimetallic CoWS 2 catalysts were prepared in situ during the slurry phase hydrocracking
(HCK) of vacuum residue (VR) using W (CO) 6 and Co-octoate as oil soluble precursors to …

The destruction of S-containing molecules is a very important issue in the chemical industry
and the control of environmental pollution. The desulfurization of sulfur dioxide and …

The preparation of high active hydrodesulfurization catalysts is described. The procedure is
based on the synthesis of labile bimetallic Co–Mo complexes in aqueous solution followed …

The effect of the intermediate activated carbon covering the alumina carrier on catalytic
activity of the supported transition metal sulfides (TMS) prepared from heteropolycompounds …

This article proposes a novel surfactant-confined preparation method that uses
polyoxometalates (POMs) as the precursor to synthesize CoMo/Al2O3 catalysts. The …

The catalysts of the XMo6 (S)/Al2O3 and Ni3-XMo6 (S)/Al2O3 structures were prepared from
heteropolycompounds (HPCs) of Anderson type (where X= Co, Ni, Cr, Mn, Fe, Cu, Zn, Ga) …