Abstract:
Reactor for a catalytic conversion reaction comprising within a catalyst housing a perforated catalyst support plate supporting a catalyst bed, the perforated catalyst support plate being supported by a plurality of elongated support elements, and catalyst particles in the catalyst bed being placed outside the elongated support elements, the perforated catalyst support plate being attached to the lower ends of the elongated support elements, the perforated catalyst support plate being divided into a plurality of perforated catalyst support plate segments, at least one perforated catalyst support plate segment being supported by an elongated support element.
Abstract:
Steam reforming reactor for the preparation of hydrogen and carbon monoxide rich gas comprising a porous supporting structure adhered to the wall of the reforming reactor, the porous supporting structure being coated with catalyst containing a ceramic precursor, and impregnated with the catalytic active material.
Abstract:
Process for preparation of a paraffin isomerisation catalyst comprising a mixture of a Group IVB metal oxide, a Group VIB metal oxide, a Group IIIA metal oxide and a Group VIII metal, the process comprising the steps of (a) contacting a hydroxide of the Group IVB metal with an aqueous solution of an oxyanion of the Group VIB metal to provide a mixture, (b) drying the mixture to provide a dry powder, (c) kneading the powder with a Group IIIA hydroxide gel and a polymeric cellulose ether compound to form a paste, (d) shaping the paste to form a shaped material, (e) calcining the shaped material to form a calcined material, (f) impregnating the calcined material with an aqueous solution of a Group VIII metal salt to provide the catalyst, and (g) calcining the catalyst.
Abstract:
Downflow catalytic reactor having a plurality of catalyst beds in which a mixture of gas and liquid are passed, the region in between subsequent catalyst beds being provided with a distributor system for the distribution and mixing of gas and liquid prior to contact with a subsequent catalyst bed, said region comprising: (a) gas injection line arranged below a catalyst support tray, (b) collector tray adapted to receive gas and liquid, (c) spillway collectors extending above the level of said collecting tray, (d) mixing chamber adapted to receive the gas and liquid descending from said spillway collectors, (e) impingement plate below said mixing chamber, (f) first distributor tray arranged below said impingement plate having a number of apertures throughout and a number chimneys, and (g) second distributor tray arranged below said first distributor tray for the redistribution of gas and liquid prior to contact with the subsequent catalyst bed, wherein the at least one chimney is provided with a distributor device that is able to divide the chimney chamber into at least two chambers.