Separating soluble lignin in pulpingwasteliquor by using flocculant is a prospective approach.
用絮凝方法分离溶解木素，是造纸废液综合利用的新途径。
2
Lignosulfonate extracted from pulpingwasteliquor was modified to study the feasibility of its use as a corrosion inhibitor.
对造纸废液中提取的磺化木质素进行改性，探索其作为缓蚀剂的可行性。
3
The nitrogen, which is in ammonium in the ammonia sulfite pulpingwasteliquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.