国家/地区
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D067/00（4） B82Y030/00（3） B82Y040/00（3）
B01D071/56（2）
发明人
公开年 2023（4）
申请年 2021（2）  2022（2） 
专利权人

Preparing polyamide membrane for desalination of water from surface hydric body such as river, or for processing water for industrial reuse, involves applying dispersion of graphene oxide in ethyl alcohol, on membrane of selective polyamide layer, by spin-coating with low and high rotations.

SILVESTRE A A L, DE JESUS R B C, GOULART S G, SANTOS A M M, GOMIDE D C V, BRASIL Z Y L, DE ARAUJO CID DA SILVA R, SUHETT D S R

Making nanomembrane used e.g. to purify water from salts by e.g. carrying out synthesis of nanomaterials in form of e.g. graphite and activated carbon, and carrying out sonication of nanomaterials in isopropanol, ethanol or distilled water.

KRUSZKA B

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

Preparing ion exchange membrane, involves preparing two main bodies carrying particles with opposite charge, cleaning and drying surface of substrate having enhanced permeability, and soaking in dispersion liquid, forming thin film on substrate surface, drying, dissolving substrate in polar solvent.

LIANG Z, FANG Y, LIU S, ZHANG D, CHEN X