Lipase deinking of old newsprint (ONP)was investigated in this study.Under the optimum conditions,deinking efficiency of lipase is better than that of the conventional chemical deinking agents.

• 研究了脂肪酶对废报纸的脱墨作用,优化了脂肪酶脱墨的工艺条件,并与两种化学脱墨剂的脱墨效果进行了比较。