The chemical structure of lignin in kenaf has been investigated through UV, IR and other analytical methods. Lignin removal in the soda-AQ pulping of kenaf is discussed.
利用UV、IR等分析手段，揭示了红麻全秆木素化学结构的特点，同时对其在烧碱- AQ法蒸煮过程中的脱除特性进行了探讨。
Acetic acid lignin (al) from acetic acid pulping was isolated and purified. Chemical structure and molecular weight of al were studied with infrared spectroscopy and GPC determination.
对来自乙酸法制浆废液的木质素进行了提取和纯制，并采用红外光谱和GPC研究了乙酸木质素的结构和分子质量。
According to the worldwide literature, the structure and physical and chemical properties of lignin was introduced, its study and application as sewage agent was especially introduced in the paper.
根据文献资料，介绍了木质素的结构及理化性质，重点综述了木质素作为污水处理剂的开发应用进展；
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