نتایج جستجو برای: paper wood

تعداد نتایج: 1763037  

Journal: :Journal of Korea Technical Association of The Pulp and Paper Industry 2013

2015
P. F. VENA M. BRIENZO M. GARCÍA-APARICIO J. F. GÖRGENS T. RYPSTRA

The extraction of hemicelluloses prior to pulping is an attractive process to be incorporated in the pulp and paper mills to generate valuable by-products such as xylose and xylo-oligomers in addition to core products. This paper investigates the impact of xylan extraction by dilute acid on cooking conditions, pulp yield and properties during kraft and soda-AQ pulping of Eucalyptus grandis wood...

The addition of cottonwood and ash sapwood powder to YPSSl2 medium influenced the mycelial growth of 13 species of freshwater lignicolous Ascomycetes and Hyphornycetes. These species fall into three groups with respect to their responses to the presence of leached or non-leached wood powder. Neither wood type showed strong inhibitory effect on the mycelial growth of the species. Leaching di...

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