HU Lingyu, YAN Zhaoqing, LI Mingfu, et al. Mulberry SCMP pulp adsorption characteristic and action mechanism of anionic groups[J]. CIESC Journal, 2017, (1): 320-328.
HU Lingyu, YAN Zhaoqing, LI Mingfu, et al. Mulberry SCMP pulp adsorption characteristic and action mechanism of anionic groups[J]. CIESC Journal, 2017, (1): 320-328.DOI: 10.11949/j.issn.0438-1157.20160872.
By the experiments of anionic groups(AGs) in the mulberry SCMP adsorption of methylene blue(MB)
the results of mulberry SCMP pulp of AGs in the hydrogen peroxide(H2O2) bleaching adsorption of methylene blue(MB) were fitted by the Langmuir isotherm equation and the Freundlich isotherm equation.It showed that the mulberry SCMP adsorption process of MB conformed to the Langmuir adsorption model.The adsorption process was monolayer adsorption and non uniform adsorption coexistence of preferential adsorption.By X-ray photo-electron spectroscopy(XPS) analysis of anionic groups in pulp and surface elements and the change of species in paper pulp.H2O2 bleaching can form new SAGs and improve the pulp fiber surface sulfonation degree
while reduce the lignin content in the pulp fiber and increase the contents of cellulose and hemicellulose.