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| 1. |
Bleaching with H2O2, is not common for chemical pulps. (But this is changing somewhat as mills look for chlorine-free systems.) It’s used for brightening mechanical pulps. What is the name of the alternative method utilized? |
| A. | E stage |
| B. | H stage |
| C. | P stage |
| D. | D stage |
| Answer» D. D stage | |