Mulberry SCMP pulp adsorption characteristic and action mechanism of anionic groups

HU Lingyu; YAN Zhaoqing; LI Mingfu; JIN Ye; CUI Fulin; QIN Rui; LUO Lianxin

doi:10.11949/j.issn.0438-1157.20160872

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Mulberry SCMP pulp adsorption characteristic and action mechanism of anionic groups

更新时间：2025-11-26

- Mulberry SCMP pulp adsorption characteristic and action mechanism of anionic groups
- CIESC Journal Issue 1, Pages: 320-328(2017)
- 作者机构：
  
  1. 广西大学轻工与食品工程学院,广西,南宁,530004
  2. 广西清洁化制浆造纸与污染控制重点实验室,广西,南宁,530004
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160872
  CLC： S745
- Online First：05 January 2017，
  
  Published：05 January 2017
- 稿件说明：
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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：

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.

摘要

通过研究桑枝SCMP浆中阴离子基团（AGs）对亚甲基蓝（MB）的吸附性能实验，运用Langmuir等温方程和Freundlich等温方程对桑枝SCMP浆H2O2漂白中AGs对亚甲基蓝（MB）的吸附结果进行拟合，表明桑枝SCMP浆对MB的吸附过程更符合Langmuir吸附模型，得出该吸附过程是单分子层吸附与非匀质吸附共存的优惠型吸附；并采用X射线光电子能谱（XPS）分析纸浆中阴离子基团和纸浆表面元素及种类的变化情况。H2O2漂白会形成新的SAGs，提高纸浆纤维表面的磺化程度，同时纸浆纤维中木素含量降低，纤维素和半纤维素含量增加。

Abstract

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.

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