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Abstract

Methods and systems for pre-treatment of sludge and biosolids in preparation for electrochemical valorization is disclosed herein. Such methods can include selecting a sludge source; preparing a slurry, where the slurry comprises the sludge source and an electrolyte; adjusting a pH of the slurry, where the adjusting the pH of the slurry results in the slurry having an adjusted pH in a range between approximately 8 and 13; flowing the slurry through a first electrochemical cell, where the first electrochemical cell enables partial oxidation of the sludge via hydroxyl radicals; and flowing the partially oxidized slurry from the first electrochemical cell to a second electrochemical cell for selective conversion, where the second electrochemical cell includes an anode, a cathode, and a catalyst.

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First Claim