Processes for preparing extruded spinel and to use cellular structures and cellular structures.

摘要

"Processes to prepare spinel and extruded to use cellular structures and cellular structures.In a process for preparing extruded by the extrusion molding of spinel compositions comprising powder of spinel with or without auxiliary extrusion, stabilizers,Reducing shrinkage, pore formers or mixtures of the same, subsequent drying and calcination of the extruded.The molding composition comprising additionally aluminum oxides or hydrates of aluminium oxide and nitrate of metal.