Study on Ultrasonic Extraction of Alkaline Lignin from Peanut Shells

被引：0

作者：

Sun, Xiaoling ^{[1
]}

Yang, Junyan ^{[1
]}

Wu, Jianxin ^{[1
]}

Miao, Huachao ^{[1
]}

机构：

[1] Shanghai Inst Technol, Schoool Chem & Environm Engn, Shanghai 201418, Peoples R China

来源：

2015 4TH INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENTAL PROTECTION (ICEEP 2015) | 2015年

关键词：

Alkaline lignin; Peanut shells; Ultrasonic wave; Extraction; OPTIMIZATION; ACID;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Compared with the traditional method to obtain lignin by alkali extraction from peanut shells, ultrasonic extraction was used for the dewaxed samples with 0.6 mol/L KOH at 40 degrees C for 2.5h. The optimum extraction technology was as follows: ultrasonic irradiation time 80 min, temperature 40 degrees C, constant temperature time 2.5h. Under this condition, the extraction rate increased from 7.42% to 12.57%. The extracted lignin accounted for 47.70% of the total amount of lignin in peanut shells. IR and UV of the alkali soluble lignin were carried out.

引用

页码：2991 / 2995

页数：5

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