Process to extract crystals from a super-saturated solution creates precisely defined crystallisation conditions

摘要

Process and assembly (10) are used to make crystals (20) from a super-saturated solution (18). The assembly (10) consists of a vessel (12) containing the solution (18) in which crystals form. The solution is continually abstracted from the vessel to a filter (28) at which crystals (20) are removed. The filtered fluid is then surrendered to a nano-filter (34) in which the solution is concentrated and then returned to the main vessel.