国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J020/26（3）
发明人 ZHANG X（3）
公开年 2021（2）
申请年 2021（2） 
专利权人

Preparing sulfonated polysulfone/graphene/ferrous cyanide copper composite film useful for separating and recycling rubidium in salt lake brine, comprises placing sulfonated polysulfone/oxidized graphene composite film in inorganic copper salt aqueous solution, in-situ co-precipitating and reacting.

ZHANG X, XU H, JIN G

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 oxide/polymer sponge three-dimensional structure composite material comprises e.g. adding polymer sponge in strong acid aqueous solution, removing residual strong acid aqueous solution, and soaking negatively charged polymer sponge in graphene oxide dispersion liquid.

LIU B, PENG T, ZHANG X, SUN H