国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 C25D（3） B01D（2）
IPC C25D007/00（3）
发明人 LIU S（2） WANG Q（2）
公开年 2020（2）
申请年 2020（2） 
专利权人 GUANGZHOU KA.（2）

Preparing superhydrophilic nickel-based multilayer composite membrane material useful in field of photothermal seawater desalination or photothermal sewage purification, comprises e.g. dissolving nickel salt, complexing agent and surfactant in water, and soaking composite structure in salt solution.

MA F, ZENG Z, ZHU L

Filter membrane prepared by co-growing graphene by copper plating on copper mesh, useful in filter for purification equipment, comprises copper mesh, modified graphene solution, electroless copper plating solution and acid-base regulator.

WANG Q, LIU S

Preparing graphene composite copper filter membrane involves forming water-soluble modified graphene solution with concentration gradient, preparing copper electroplating solution, adding water-soluble modified graphene solution.

WANG Q, LIU S