How MUCH oil on cardboard is “too much” to recycle?

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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

9 Answers

Anonymous 0 Comments

Pretty sure any grease at all is too much. They don’t have an efficient way to separate contaminated cardboard from the rest, and they don’t want the grease on your box to spread to other boxes. 

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