国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（2）
IPC小类 B01D（3）
IPC B01J020/28（3）
发明人 LIU Z（3）
公开年 2021（3）
申请年 2021（2） 
专利权人

Preparation of composite film used for absorbing tetracycline in water, involves mixing solutions comprising graphene oxide, polyethylene glycol-400, and nanoparticles and zeolite or poly(styrene-divinylbenzene) in water, vacuum self-assembly filtering using porous micro-filtration film and drying.

WANG X, HU Y, ZHANG X, LIU Z, GUO Y

Preparing graphene modified material comprises e.g. adding graphene, iron salt and ferrous salt into water, ultrasonic blending, annealing, cooling, filtering, modifying graphene, grafting filtering, washing, freezing and drying.

FAN L, GE D, DU J, LIU Z, CHENG Z, XING C

Preparing a honeycomb-shaped zeolite molecular sieve adsorbent comprises mixing, stirring, kneading, vacuum mixing, aging, extrusion forming, drying, cutting, sintering, quality inspection and qualifying the product.

WU L, SU W, LIU Z