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

Preparing polyvinyl alcohol/carboxymethyl chitosan/graphene oxide composite nanofiber membrane used in adsorption of heavy metal ions, comprises e.g. stirring and mixing polyvinyl alcohol solution, carboxymethyl chitosan solution and graphite oxide aqueous dispersion, and electrostatic spinning.

ZHOU X, WANG J, ZHENG Y, FAN C

Preparing solid-phase extraction column comprises e.g. adding copper acetate and phosphomolybdic acid to graphene dispersion and dissolving, adjusting pH, dissolving 1,3,5-benzenetricarboxylic acid in methanol, separating precipitate, heating and carrying out polymerization reaction.

WANG J

Preparing bamboo processing wastewater treatment material comprises crushing waste clothes into base materials, drying, adding dispersion liquid to dried base material to carry out hydrothermal reaction, taking out reacted base material and drying.

ZHANG W, FENG Y, PAN X, YU H, ZHUANG X, WANG J