国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01D（3）
IPC
发明人
公开年 2020（3）
申请年 2020（2） 
专利权人

Environment friendly preparation of graphene comprises mixing natural flake graphite, hydroiodic acid and succinic acid, adding potassium ferrate, filtering, washing with potassium carbonate and distilled water and reusing waste water.

YANG J

Preparing graphene oxide nano-volume comprises preparing graphene oxide sponge by liquid-phase stripping method and freeze-drying method, ultrasonically dispersing in deionized water and acidifying carbon nanotubes.

WU X, YAO Y, QIN W, LU S, LI Y

Graphene waste sulfuric acid recycling system comprises e.g. reaction kettle, the reaction kettle comprises solid inlet, liquid outlet and gas outlet, the press filter and liquid outlet of the reaction kettle connected with the filter press.

LI M, YUAN W, ZHOU J, ZHANG K, FAN W