研究表明，高取代度阳离子淀粉带有更多的正电荷，能更好地作用于纤维，对废纸脱墨浆有显著的助留助滤作用；
The study showed that this kind of cationic starch has more positive charges and has good effects on the fibers. It has significant effect on filler retention and drainage in deinked pulp.
研究了白腐菌对二次纤维的脱墨作用。
This study was carried out to explore the white rot fungus deinking effect on ONP.
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