Patent ID: 6641722
Filing Date: 2003-11-04
Classification: C02F,Y10S

Abstract:
A system for removing silicone oils from waste water generated by a silicone manufacturing plant, said waste water containing water, silicone oils, and silicone oil contaminated solids, said system comprising:a centrifuge having a feed inlet containing waste water generated by said silicone manufacturing plant, a sludge cake discharge containing silicone oil contaminated solids, and a liquid discharge containing said silicone oils, wherein the concentration of said solids in said sludge cake discharge is higher than the concentration of said solids in said liquid discharge; and a dryer operated at a temperature within the range of 80Â° C. to 100Â° C., said dryer having a dryer inlet containing silicone oil contaminated solids discharged from said centrifuge sludge cake discharge, and a dryer outlet containing a sludge product that comprises at least 10% water.