https://en.wikipedia.org/wiki/White_liquor
(the first ingredient is hot lye!)
In general, paper recycling is productive enough that paper mills buy recycled paper as an input. Cardboard even more so.
Virgin inputs also requires harsh chemicals, there's no advantage.
https://en.wikipedia.org/wiki/White_liquor
(the first ingredient is hot lye!)
In general, paper recycling is productive enough that paper mills buy recycled paper as an input. Cardboard even more so.