杨木预水解液中木质素质量浓度的P因子调控作用

doi:10.3969/j.issn.0253-2417.2018.04.006

林产化学与工业 ›› 2018, Vol. 38 ›› Issue (4): 35-40.doi: 10.3969/j.issn.0253-2417.2018.04.006

杨木预水解液中木质素质量浓度的P因子调控作用

冯年捷^1,2, 汪继明¹, 谢益民^1,2, 杨鑫³, 刘达岸³

1. 湖北工业大学制浆造纸研究院, 湖北武汉 430068;
2. 湖北工业大学绿色轻工材料湖北省重点实验室, 湖北武汉 430068;
3. 湖北中烟工业有限公司, 湖北武汉 430068

收稿日期:2018-01-17 出版日期:2018-08-25 发布日期:2018-08-10
通讯作者: 谢益民,教授,博士生导师,从事生物质资源化学的研究;E-mail:ppymxie@163.com。 E-mail:ppymxie@163.com
作者简介:冯年捷(1987-),男,湖北武汉人,讲师,博士,主要从事木质素-多糖复合材料的研究工作
基金资助:
湖北工业大学博士科研启动基金（BSQD2017016）

Regulating Effect of P-factor on Lignin Mass Concentration in Prehydrolysis Liquor of Triploid Poplar

FENG Nianjie^1,2, WANG Jiming¹, XIE Yimin^1,2, YANG Xin³, LIU Da'an³

1. Research Institute of Pulp & Paper Engineering, Hubei University of Technology, Wuhan 430068, China;
2. Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, China;
3. China Tobacco Hubei Industrial LLC, Wuhan 430040, China

Received:2018-01-17 Online:2018-08-25 Published:2018-08-10

摘要/Abstract

摘要： 为实现生物质预水解液中对木质素质量浓度的调控，探讨了不同P因子对杨木预水解液中Klason木质素和酸溶木质素质量浓度的影响，结果表明：P因子对杨木预水解液中的木质素质量浓度具有调控作用；预水解液中两类木质素质量浓度变化均分为快速增加（P因子<1 200）和缓慢增加（P因子>1 200）两个阶段，且Klason木质素与酸溶木质素质量浓度比值（r）稳定在（0.50±0.03）。P因子<306时，预水解液中木质素主要以木质素-碳水化合物复合体形式存在；P因子>691时，Klason木质素发生显著碎片化，并明显伴有假木质素生成。

关键词: 预水解, P因子, 木质素质量浓度, 杨木, 调控作用

Abstract: In order to regulate the lignin mass concentration in prehydrolysis liquor, the mass concentrations of Klason lignin and acid-soluble lignin in the prehydrolysis liquor of triploid poplar were studied at different P-factor. The results showed that there was a regulating effect of P-factor on lignin mass concentration in poplar prehydrolysis liquor. The increasing processes of the mass concentration of two kinds of lignins were both divided into a fast phase (P-factor <1 200) and a following slow phase (P-factor >1 200). The mass concentration ratio of Klason lignin to acid-soluble lignin(r) was revealed at (0.50±0.03). The prehydrolysis lignin in the form of lignin-carbohydrate complex was found at P-factor <306. Klason lignin fragmentation and pseudo lignin formation were obviously indicated at P-factor>691.

Key words: prehydrolysis, P-factor, lignin mass concentration, triploid poplar, regulating effect

中图分类号:

TQ35

冯年捷, 汪继明, 谢益民, 杨鑫, 刘达岸. 杨木预水解液中木质素质量浓度的P因子调控作用[J]. 林产化学与工业, 2018, 38(4): 35-40.

FENG Nianjie, WANG Jiming, XIE Yimin, YANG Xin, LIU Da'an. Regulating Effect of P-factor on Lignin Mass Concentration in Prehydrolysis Liquor of Triploid Poplar[J]. Chemistry and Industry of Forest Products, 2018, 38(4): 35-40.

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杨木预水解液中木质素质量浓度的P因子调控作用

Regulating Effect of P-factor on Lignin Mass Concentration in Prehydrolysis Liquor of Triploid Poplar

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