国家/地区 中国（6）
IPC部 B（7）
IPC大类 B01（7） C02（5） C08（3）
IPC小类 B01D（7）
IPC B01D017/022（7）
发明人
公开年 2021（4） 2022（2）
申请年 2021（7）
专利权人

Nanofilter used for selectively separating oil contaminants e.g. crude oil, diesel, engine oil and petrol oil from water, comprises hydrophobic nanoparticles, amorphous carbon, and support comprising polymeric sponge or fabric.

KHODAPARAST B, KHOSROPOUR A

Preparing ultra-hydrophilic-underwater ultra-oleophobic graphene hydrogel/stainless steel mesh composite oil-water separation membrane, comprises immersing stainless steel mesh in detergent water, absolute ethanol and deionized water, placing in oven for in-situ polymerization and freeze-drying.

DAI Z, NI H, LI R, TIAN N

Preparation of fluorine-free-magnetically driven superhydrophobic oil-water separation foam material used in e.g. treatment of offshore oil spill, by ultrasonically cleaning melamine formaldehyde foam, drying, soaking in coating prepared using e.g. silicone resin, and drying.

HU Z, ZHAO S, CHAI W, LIU Y, DAI B, XIA Y, AYINAER N, LIAO C, ZHENG Z

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

Hydrophobic magnetic porous material useful for treating or absorbing hydrophobic material, prepared by e.g. modifying magnetic nanoparticles coated with protein shell into porous substrate and performing hydrophobic treatment.

YU J, CAO C, ZHANG T, PAN Y

Preparing oil-absorbing sponge modified based on graphene oxide, comprises cleaning polyurethane sponge with ethanol, mixing, soaking polyurethane sponge soaked in graphene oxide solution into modification solution and drying.

ZHANG J, LAN Q, LIN H, XU H

Composite net film for oil-water separation and/or sewage treatment comprises metal net base material modified with functional material including super-hydrophilic-oleophobic material, or crosslinked material and non-crosslinked material.

XU J, FU Y, AI L