国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（2）
IPC小类 B01J（3）
IPC B01J020/26（3）
发明人 LI X（3）
公开年 2022（3）
申请年 2022（3） 
专利权人

Sewage treatment agent useful for efficient denitrification, comprises nutrient solution, complex microbial inoculum and external carbon source.

LU Y, LI X, WANG L

Preparing amino-rich polyacrylonitrile-based nanocomposite fiber film used for removing and recycling gold, involves mixing N,N dimethylformamide dispersion of graphene oxide and the N,N-dimethylformamide solution of hyperbranched polyethyleneimine and performing amidation reaction.

ZHONG X, MENG W, YANG H, SHI X, LI X, LI T, MA Y

Continuous preparation method of nitrocellulose microporous membrane nitrocellulose microporous membrane is useful in colloidal gold test paper and filtration, comprises adding nitrocellulose, solvent, cosolvent and water, casting liquid on belt, peeling off, washing, drying, cutting and winding.

LI X, WANG S, CHU X