Patent ID: 6412716
Filing Date: 2002-07-02
Classification: B02C,C02F,F26B

Abstract:
A method of processing sewage sludge, comprising the steps of:feeding said sewage sludge into an air flow of a cyclonic dehumidifying comminuter to comminute said sewage sludge and to effect dehydration thereof, the comminuted and dehydrated sewage sludge being discharged through a material discharge opening at a bottom portion of said cyclonic comminuter while moisture laden air flow is discharged through an air discharge opening; metering the flow of said sewage sludge into said cyclonic comminuter as a function of the moisture level of said sewage sludge; sterilizing said discharged air flow after being exhausted from said comminuter to remove pathogens therefrom before being released to the atmosphere; passing said comminuted and dehydrated sewage sludge through a sterilization apparatus after being discharged from said cyclonic comminuter to destroy pathogens therein; and further processing said sterilized sewage sludge for shipment to a remote location.