TCF Bleaching - Which Sequence to Choose?, 1993 Pulping Conference Proceedings

Totally chlorine-tree sequences will use oxygen (0), hydrogen peroxide (P) and ozone (Z). From chemical considerations on the reactivity of these chemical toward residual lignin and carbohydrates, it has been possible to explain the differences existing between the various possible bleaching sequences. With regard to strength properties OPZ represents the best combination. However, this sequence becomes the worst with regard to brightness stability upon heat or light exposure and OZP must be preferred For this reason OZP or OZEP seems to be the most promising sequence provided that some improvements are made to prevent cellulose from degradation during P.

Author: Lachenal, D., Nguyen-Thi, N.B.
TCF Bleaching - Which Sequence to Choose?, 1993 Pulping Conf
TCF Bleaching - Which Sequence to Choose?, 1993 Pulping Conference Proceedings
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