Formation of dense precipitates

Abstract

Abstract IN A PROCESS FOR PRECIPITATING DENSE PRECIPITATES FROM AN AQUEOUS SOLUTION OF IRON AND MIXTURES OF IRON WITH OTHER METALS, THE SOLUTION IS INTRODUCED INTO A VESSEL CONTAINING A MOVING BED OF A MATERIAL SUCH AS SAND IN A WATER MEDIUM. SIMULTANEOUSLY, A SOLID OR LIQUID PRECIPITANT IS INTRODUCED INTO THE VESSEL, AND THE HEAVY METALS, PRECIPITATING FROM THE RESULTANT REACTION, DEPOSIT ON THE INDIDVIDUAL PARTICLES OF THE SAND BED. THE PRECIPITATE THUS FORMED IS DENSE AND LOW IN RETAINED WATER. A CLEAN WATER EFFLUENT, SUBSTANTIALLY FREE OF DISSOLVED HEAVY METALS, IS REMOVED FROM THE VESSEL. D R A W I N G

Inventors

• 👤 Russell J Horst

Bibliographic Details