Patent ID: 6432873
Filing Date: 2002-08-13
Classification: B01D,B01J

Abstract:
A process of making a high crush strength absorption composition for absorbing hydrogen sulfide from a fluid stream, said process comprising:(a) mixing zinc oxide and silica to provide a dry homogeneous mixture; (b) providing said dry homogeneous mixture within a pan of a tumbling agglomerator; (c) spraying a colloidal oxide solution, wherein said colloidal oxide solution comprises particles of an oxide compound dispersed in a liquid medium, wherein said oxide compound comprises colloidal-size particles having a median particle size in a range from about 50 angstroms to about 10,000 angstroms, upon said dry homogeneous mixture while rotating said pan to thereby form pellets; and (d) drying said pellets to provide dried pellets having a crush strength of at least about 5 lbl.