B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/105, 252/39
B01J 35/10 (2006.01) B01J 21/00 (2006.01) B01J 21/06 (2006.01) B01J 27/16 (2006.01) B01J 35/00 (2006.01) B01J 37/00 (2006.01) C04B 35/16 (2006.01) C04B 35/46 (2006.01)
Patent
CA 2283040
Mouldings based on pyrogenically produced mixed oxide having the following physicochemical parameters: External diameter 0.8-25 mm BET surface area 5-400 m2/g Pore volume 0.2-1.8 ml/g Fracture strength 5 to 350 N Composition At least two from the group SiO2, Al2O3, TiO2 and ZrO2 in any desired combination, but with the exception of SiO2/Al2O3 mixed oxides, in which > 75 wt.% of SiO2 is present. Other constituents < 1 wt.% Bulk density 250-1500 g/l are produced by homogenising pyrogenically produced mixed oxide as desired with one or more compounds from the group methylcellulose, methylhydroxyethylcellulose, wax, polyethylene glycol, magnesium stearate or aluminium stearate with the addition of water, drying the product at a temperature of 70 - 150 °C, optionally comminuting it to yield a powder, optionally compression moulding the powder to yield mouldings and performing heat treatment for a period of 0.5 to 10 hours at a temperature of 400 to 1200 °C. These mouldings may be used as a catalyst or catalyst support for hydrating ethylene and propylene.
Fuchs Manfred
Krause Helmfried
Lansink Rotgerink Hermanus Gerhardus Josef
Mangold Helmut
Riedemann Heike
Degussa-Huls Aktiengesellschaft
Marks & Clerk
LandOfFree
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