A method for the continuous deposition of colloidal half conductor photo catalyst particles of aqueous suspensions

摘要

A process for the sedimentation of colloids semiconductor particles in aqueous suspension, wherein a suspension (1) on the isoelectric point of the particles is established, characterized in that the suspension (1) in the counterflow of a suspension (2), which conveys the colloidal semiconductor particles in aqueous suspension of a higher concentration with respect to the suspension (1) and the sedimented semiconductor particles contains separates.