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- W2348896883 abstract "The mass fraction of ethyl acetate aqueous solution,liquid and solid ratio (m/m),reaction temperature and time,which influenced the isolation of lignin from chestnut shell were mainly studied, and the optimal technical conditions were resulted.Chestnut shell was comminuted,and then extracted by benz-alcohol The pretreated shell was treated in autoclave at 180℃for 1h,when liquid and solid ratio (m/m) was 8:1,and the mass fraetion of ethyl acetate 60%.The extract was vacuum evaporated to recover the solvent.The crude lignin was obtained after the concentrated solution was vacuum dried at 80~C,and then was purified by dioxane.The product was a king of chocolate brown solid,and was characterized by investigating its solubility,IR and UV spectrum." @default.
- W2348896883 created "2016-06-24" @default.
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- W2348896883 date "2007-01-01" @default.
- W2348896883 modified "2023-09-24" @default.
- W2348896883 title "Isolation of Lignin from Chestnut Shell by Ethyl Acetate" @default.
- W2348896883 hasPublicationYear "2007" @default.
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