稻草制浆黑液中木质素/二氧化硅复合材料的制备

Abstract

Abstract:

Conditions were discussed to prepare lignin/silica hybrid in situ by means of acid precipitation method from the black liquor of rice straw pulping. The effects of pH and temperature on the yield and content of the hybrid were investigated in detail. The optimum conditions were a pH value of 3 and a reaction temperature of 50 ℃, under which the yield of lignin/silica hybrid was the greatest and the mass content of silica was 25.92%. The hybrid was characterized.

Key words: black liquor, lignin/silica, hybrid, rice straw

CLC Number:

ZHANG Xiaojun, ZHAO Mingzhu, ZHAO Zhihai, YU Haihui, ZHOU Bing. Preparation of Lignin/Silica Hybrid fromBlack Liquor of Rice Straw Pulping[J].Journal of Jilin University Science Edition, 2015, 53(02): 340-343.

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Preparation of Lignin/Silica Hybrid fromBlack Liquor of Rice Straw Pulping

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