What caused the poor bleachability of dip fines ? the two factors coming from external contamination were : residual ink and transition metals in pulp, specifically iron.
摘要什么使得脱墨浆细料的漂白反应性能差？是来自内部杂质的两个因素：残余油墨和过渡金属，特别是铁。
2
What Caused the poor bleachability of DIP fines? The two factors coming from external contamination were: residual ink and transition metals in pulp, specifically iron.
什么使得脱墨浆细料的漂白反应性能差？是来自内部杂质的两个因素：残余油墨和过渡金属，特别是铁。
3
Lignin content in the pulp descreases, while carbonyl and phenolic hydroxylgroups in the residual lignin increase, and so do carbonyl groups in polysaccharides, after theactivating treatment.