FACILE PRODUCTION OF 4-HYDROXYBENZOIC ACID FROM OIL PALM EMPTY FRUIT BUNCH CELL WALLS BY ALKALI DEGRADATION AT ROOM TEMPERATURE

被引：0

作者：

Qu C. ^{[2
]}

Kawamoto H. ^{[1
]}

机构：

[1] Energy Ecosystem Laboratory, Graduate School of Energy Science, Kyoto University, Kyoto

[2] International Advanced Energy Science Research and Education Center, Graduate School of Energy Science, Kyoto University, Kyoto

来源：

International Journal of Energy for a Clean Environment | 2024年 / 25卷 / 03期

基金：

日本学术振兴会;

关键词：

4-hydroxybenzoic acid; alkali hydrolysis; lignin; oil palm empty fruit bunch;

D O I：

10.1615/InterJEnerCleanEnv.2023046852

中图分类号：

学科分类号：

摘要：

Oil palm empty fruit bunches are biorefinery waste produced from the oil palm factory. Palm lignin is partially ended with p-hydroxybenzoylated structure, which is a promising resource to produce 4-hy-droxybenzoic acid. Herein, 4-hydroxybenzoic acid is produced by the degradation of oil palm empty fruit bunch cell walls with sodium hydroxide solution at room temperature without lignin isolation. The 4-hydroxybenzoic acid was obtained as the only main monomeric product from the process. The yield of 4-hydroxybenzoic acid can reach 7.87% based on the amount of oil palm empty fruit lignin. The sodium hydroxide concentration is the most important factor that affects the 4-hydroxybenzoic acid production yield and selectivity. The possible 4-hydroxybenzoic acid production routes were proposed. And the production route is considered to be formed mainly by the cleavage of C-O bonds at the γ-hydroxyl position of the syringyl unit in oil palm empty fruit bunch lignin. © 2024 by Begell House, Inc.

引用

页码：1 / 12

页数：11

共 21 条

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