Treatment processes for resource-transfer of paper-making black liquor. 造纸黑液资源化治理途径。
Using lignin exstracted from papermaking black liquor as a raw material,the synthesis of a quaternary ammonium salt of lignin has been carried out. 以从造纸黑液中提取的木质素为原料，合成木素季胺盐絮凝剂。
