Spent sulfite liquor(SSL) from bagasse pulping was modified by graft copolymerization of acrylic acid(AA) and/or acrylamide(AM) onto lignosulfonate.

• 利用木质素磺酸盐与丙烯酸(AA)、丙烯酰胺(AM)等单体的接枝共聚反应,直接对亚硫酸盐制浆废液(SSL)进行接枝改性。