Auteur Yonghao Ni
Documents disponibles écrits par cet auteur (4)
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Article : texte imprimé
Hongjie Zhang, Auteur ; Lanfeng Hui, Auteur ; Yonghao Ni, Auteur |High-yield pulps (HYPs) can be used in the production of high-quality fine paper grades. In such applications, optical brightening agents (OBA) and inorganic fillers, such as precipitated calcium carbonate (PCC) may be used to improve the paper [...]
Article : texte imprimé
Xin Liu, Auteur ; Pedram Fatehi, Auteur ; Yonghao Ni, Auteur |The prehydrolysis stage is essential in producing high-purity cellulose from the kraft-based process and is effective in removing hemicelluloses from wood chips. To convert hemicelluloses and other dissolved materials of the prehydrolysis liquor[...]
Article : texte imprimé
Hongbin Liu, Auteur ; Shuhui Yang, Auteur ; Yonghao Ni, Auteur |Fines play a very important role in the papermaking process and paper properties. High-yield pulp (HYP) contains a large amount of higher specific surface area fines, which may lead to the absorption of more dye at the wet end section. Better un[...]
Article : texte imprimé
Pedram Fatehi, Auteur ; Ahmet Tutus, Auteur ; Yonghao Ni, Auteur |In this study, the impact of soda−air−anthraquinone (AQ) pulping conditions on delignification and silica precipitation onto pulp fibers and paper sheets was studied. The results showed that the yield and silica precipitation slightly increased [...]
