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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Fig. 4 | Journal of Wood Science

Fig. 4

From: Cellulose and lignin purified from Metroxylon sagu palm fronds by a new technology with 2-methylanthraquinone cooking and peroxymonosulfuric acid bleaching

Fig. 4

Brightness and viscosity profiles of SPF pulp after PHS-MAQ cooking under various AA levels (prehydrolysis: 150 °C-3 h, cooking: 160 °C-1.5 h, MAQ dosage: 0.03%, liquor-to-solid ratio: 7 L/kg, active alkali: 15–25%). Yellow and black filled bars present the brightness and viscosity values, respectively

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