【摘要】 本文研究了从草浆黑液中提取木质素的方法，不用减压和过滤设备，于每升黑液中提取木质素８４．０ｇ，并除去约９０％的ＣＯＤ。观察黑液所形成的凝胶，发现其具有多级三维网状结构。更多还原

【Abstract】 In this paper,the method of extracting lignin fron black liquor of straw pulping wasstudied.84.0g of lignin was obtained and about 90%of COD was excluded from liter ofblack liquor without using any of the equipment of decompressor and filter.Observing the gelformed by black liquor,the multistage of three-dimensional netty structure of it was found。更多还原