IMPROVED METHOD FOR SETTLING SUSPENDED FINE INORGANIC SOLID PARTICLES FROM HYDORCARBON SLURRY AND ADDITIVE FOR USE THEREWITH

摘要

An additive is used in a method for settling suspended finelydivided inorganic solid particles from a hydrocarbon slurry. The additivecomprises (a) a hydroxy-terminated polyoxyalkylate chains) containingpolymer having at least one oxygen atom and at least one nitrogen atomand, optionally, (b) other components such as a solvent, an acid ormixtures thereof.