Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Willem Jan Oude Grotebevelsborg0
Date of Patent
November 23, 2021
0Patent Application Number
150854120
Date Filed
March 30, 2016
0Patent Primary Examiner
Patent abstract
Organic waste is polished to remove floatable contaminants prior to being biologically treated. In one application, pressed organic waste is polished before being sent to a wet anaerobic digester, optionally to be co-digested with wastewater treatment plant sludge. The organic waste is polished by flinging globs of the organic waste against a screen while flowing air across the flinging globs. The polishing can be performed in a device having a rotor with discrete paddles inside of a cylindrical screen.
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