|本期目录/Table of Contents|

[1]侯彬彬,宋江涛,马骁,等.复合溶剂预处理对葵花秆木质素去除率和结构的影响[J].江苏农业科学,2017,45(03):136-140.
 Hou Binbin,et al.Effects of mixed solvents pretreatment on removal rate and structure of lignin from sunflower stalk[J].Jiangsu Agricultural Sciences,2017,45(03):136-140.
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复合溶剂预处理对葵花秆木质素去除率和结构的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年03期
页码:
136-140
栏目:
贮藏加工与检测分析
出版日期:
2017-02-05

文章信息/Info

Title:
Effects of mixed solvents pretreatment on removal rate and structure of lignin from sunflower stalk
作者:
侯彬彬 宋江涛 马骁 陈福欣 周安宁
西安科技大学化学与化工学院,陕西西安 710054
Author(s):
Hou Binbinet al
关键词:
葵花秆预处理复合溶剂酶解木质素
Keywords:
-
分类号:
TS721+.1;TQ914.1
DOI:
-
文献标志码:
A
摘要:
采用NaOH、乙醇复合溶剂对葵花秆进行预处理,通过单因素试验研究了反应时间、温度、固液比、溶剂质量分数及复合溶剂比例对葵花秆木质素去除率的影响,然后利用正交试验法对预处理条件进行优化,得到最佳预处理条件为温度170 ℃,2% NaOH和70%乙醇的复合溶剂体积比为2 ∶1,固液比1 ∶25(g ∶mL),反应时间1 h,该条件下木质素去除率为53.75%。酶解试验表明,木质素去除率越高,葡萄糖产率越高。最后通过红外光谱、扫描电镜对预处理前后的葵花秆进行结构分析,发现预处理后的葵花秆结构遭到破坏,出现不规则的裂痕,木质素与半纤维素之间的结构被破坏,暴露出更多的纤维素和半纤维素。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-04-28
基金项目:国家自然科学基金(编号:51174279);教育部博士学科专项基金(编号:20116121110005)。
作者简介:侯彬彬(1991—),男,陕西榆林人,硕士研究生,主要从事煤炭基精细化学品合成及有机合成研究。E-mail:774716071@qq.com。
通信作者:周安宁,博士,教授,博士生导师,主要从事煤及生物质多联产转化与功能材料制备研究。E-mail:psu564@139.com。
更新日期/Last Update: 2017-02-05