Paper Recycling
Abstract
During the last few decades, recovered paper and board has become the principal raw material of the paper industry, and 57% of all paper produced worldwide today is based on recovered paper. In addition to the fibrous raw material, recovered paper also contains other substances that are introduced by the paper product itself (printing inks, stickies, mineral particles) or during its use and subsequent collection (scraps and leftovers, sand, glass, etc.). Hence, when producing new paper from recovered paper, the pulp has to be cleaned intensely. In the stock preparation ...
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