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Ozone bleaching (Z)

Ozone bleaching (Z) Ozone bleaching is a recent development for bleaching recycled fibre pulp. In contrast to its use for bleaching chemical pulp, where it serves exclusively to degrade residual lignin further, in the bleaching of deinked pulp it destroys dyes and optical brighteners 1-3. The strength gains that accompany the treatment have secondary importance.
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This page has been updated 16.11.2021