国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2） C02F（2） D01D（2）
D04H（2）
IPC B01D067/00（2）
发明人
公开年 2021（2）
申请年
专利权人

Preparing double-layer nano fiber film for water-oil separation, involves obtaining first layer of electrostatic spinning solution by using chitosan, obtaining second layer of spinning solution followed by electrostatic spinning.

SHAO W, ZHU Z, LIU J, HE S, JIANG L

Preparing a composite fiber membrane used for heavy metal sewage treatment, involves adding graphene oxide to deionized water, ultrasonically dispersing uniformly to obtain graphene oxide dispersion, and adding the dopamine hydrochloride.

CHEN Q, SI W, ZENG J, BAI T