My city says don’t recycle pizza boxes or cardboard with oil on it. I get it, but where do you draw the line? Surely one speck of oil won’t ruin a whole batch of pulp, otherwise they would have no hope for a pure batch of paper. One out of 1 million people could ruin it each week. I saw a previous that discusses “why no pizza boxes” but it doesn’t explain how much grease is too much.
In: Chemistry
For recycling really any is too much, there is no effective way to treat them once contaminated.
In most places most non Commercial Paper Trash gets sold to incinerators.
And incinerators don’t care for a bit of Oil or Chese that is still on the box.
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