Originally Posted by
alloy2
I can get bales of cardboard for the taking.
Ohh gawd ... that would do it. There's no lack of cardboard around these days. The bottom dropped out of the market a few years ago and you can hardly give it away. I used to bale that stuff on a regular basis. The only concern i would have would be the plastic tape and plastic stickers on the boxes. The residual glue that was originally applied to hold the boxes together could be an issue too. You wouldn't want those contaminants in your pellets.
Maybe dissolve the cardboard in water to make a pulp and then run it through a screen to remove most of the contaminants. There must be an established method. The Chinese have been recycling cardboard and reusing the fibers for many years now.
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