TH4004B - Activation of cobalt catalyst - Google Patents

Abstract

Activating Co/Zr/SiO2 catalysts prepared by saturated diffusion and/or kneading. This is done at temperatures between 200 and 350 C with gases containing H2 under such conditions. will give a given relationship between given velocity (D), total pressure (PTot) and sub-pressure H2 (PH2) on the one hand, and surface area (S), Co-carrying (L), and Another way, the catalyst's Zr (Z) loading. This relationship is (chemical formula), by this method the most stable catalyst is obtained.

Claims (6)

1.Process for activating catalysts That shows the characteristics that a catalist containing 3-60 parts cobalt by weight and at least one other metal was selected from the zirconium-containing group. Titanium and 0.1-100% chromium by weight per silica Alumina, or silica-alumina 100 parts by weight, which this catalyst was prepared by massaging and / or diffusion saturation. It is exposed to hydrogen or hydrogen-containing gas at temperatures in the range between 200 and 350C under such conditions as to provide a relationship (chemical formula) where D = spescelosite, as standard liter liter-1. H -1 PH2 = sub-hydrogen pressure, in bar PTot = total pressure in bar S = surface area of the catalyst, in m 2 / ml L = catalyst load in mg of Co / ML and Z = Catalyst zirconium load in mg of Zr per 100 mg of the substrate. 2. The process that holds the right in Clause 1 showing the characteristics that A catalist is given an association (chemical formula) where L = total amount of cobalt present on the catalist expressed in mg / CO ml.Cathalist S = surface area of the catalyst, expressed as m. 2 / ml catalyst and R = weight ratio of the amount of cobalt attached to the catalist by massaging the total amount of cobalt present on the catalist. 3.The process, as held by claim 1 or 2, characterizes that, per 100 parts by weight of the substrate, the catalyst contains 15-50 parts of cobalt by weight and 0.1-5 parts of the other metal. By weight If during the preparation of the catalyst, the cobalt catches first and the other metal catches the next. Or another metal, 5-40 parts by weight, if during the preparation of the catalyst, another metal catches first and cobalt to the next. 4. Process, as it assumes, in one of the claims 1-3, characterizes that the catalyst contains zirconium as another metal and silica as the substrate. 5. The process for preparing hydrocarbons by reactions using carbon monoxide and hydrogen catalysts that exhibit characteristics that H2 and -CO-containing feeders will come into contact with the catalyst that is entitled to one of the claims. Of claims 1-4 at high temperature and pressure 6. The process, as claimed by claim 5, characterizes that the process is performed at a temperature of 125-350 C and a pressure of 5-100 bar.