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Recycling question: Why can't they come up with a process to remove the grease from the slurry when recycling papers and cardboards that have food on them?
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August 5th, 2014
At this point “Grease from pizza boxes causes oil to form at the top of the slurry, and paper fibers cannot separate from oils during the pulping process.”
From This website.
What kind of process would strip away the grease?
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