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Chemistry and Industry of Forest Products ›› 2020, Vol. 40 ›› Issue (2): 76-82.doi: 10.3969/j.issn.0253-2417.2020.02.010

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Effect of Different Extraction Agents on Enrichment of ActiveComponents from Wood Vinegar

Xincheng LU1,2,3(),Jianchun JIANG1,2,*(),Jing HE3,Kang SUN1,Yunjuan SUN1   

  1. 1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
    2. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
    3. College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China
  • Received:2019-07-10 Online:2020-04-28 Published:2020-04-27
  • Contact: Jianchun JIANG E-mail:xinze1983@163.com;bio-energy@163.com

Abstract:

The enrichment effect of different extraction agents on active components of wood vinegar from waste fir plate was studied. The results showed that different extraction agents exhibited different effects on the enrichment of active components in wood vinegar. Ethyl acetate, chloroform and ether exhibited good enrichment effect on phenolic substances, which ether present better extraction performance; ethyl acetate and chloroform had good enrichment effect on ketones; 3 extractants had no obviously enrichment effect on esters, aldehydes and alcohols, and they were not conducive to the enrichment of acid substances. Methanol addition was contributed to increase the enrichment effect of ether on phenolic substances. When the volume ratio of ether to methanol was 2:1, GC content of phenolic compounds reached to 66%, which was 1.96 times that of un-treated wood vinegar.

Key words: wood vinegar, active components, extraction method, enrichment, GC-MS analysis

CLC Number: