国家/地区 中国（11） 加拿大（2） 美国（2）
IPC部 B（11）
IPC大类 B01（11）
IPC小类 B01D（11）
IPC B01J020/30（11）
发明人 LIU Z（2） ZHANG X（2）
公开年 2021（7） 2022（4）
申请年 2021（11）
专利权人

Preparing nanomaterials for sewage treatment comprises dispersing modified attapulgite into water, dispersing graphene oxide in water, introducing modified attapulgite solution and modified activated carbon solution, washing, nanomaterials for sewage treatment.

JIANG C, LI Z, QI X, CAO W, QL X

Preparation polyamide/graphene oxide/iron-based metal-organic framework composite material for adsorbing heavy metal ions in e.g. sewage, involves blending polyamide, graphene oxide and ferric nitrate, and immersing in metal-organic framework.

QIU J, WU D, SHI B, HE F, LIANG Y, YANG Y

Sorbent useful in sorbent composition for removing perfluoroalkyl and polyfluoroalkyl substances e.g. perfluoroalkane sulfonic acid, perfluoroalkane sulfonamide or perfluoroalkyl acid from fluid, has iodine and molasses.

DISTEFANO R L, REBEKAEL D

Preparing graphene polyurethane composite sponge material useful in electronic cigarette filtration, comprises e.g. preparing modified graphene oxide dispersion, stirring with silicon-containing surfactant, stannous octoate, triethylenediamine, and toluene diisocyanate, carrying out free foaming.

HOU W, PAN D, ZHANG H, LIANG D, WANG Z

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Preparation of composite film used for absorbing tetracycline in water, involves mixing solutions comprising graphene oxide, polyethylene glycol-400, and nanoparticles and zeolite or poly(styrene-divinylbenzene) in water, vacuum self-assembly filtering using porous micro-filtration film and drying.

WANG X, HU Y, ZHANG X, LIU Z, GUO Y

Preparing graphene oxide/polymer sponge three-dimensional structure composite material comprises e.g. adding polymer sponge in strong acid aqueous solution, removing residual strong acid aqueous solution, and soaking negatively charged polymer sponge in graphene oxide dispersion liquid.

LIU B, PENG T, ZHANG X, SUN H

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

Bionic fiber functional material used in low concentration heavy metal ion adsorption, is rich in multiple adsorption sites, that is, N, O, and S sites that have adsorption properties for heavy metal ions and material.

HE H, WANG L, ZHU H, ZHOU H, WANG S, HO H, ZHU H X, CHOU H

Preparing graphene modified material comprises e.g. adding graphene, iron salt and ferrous salt into water, ultrasonic blending, annealing, cooling, filtering, modifying graphene, grafting filtering, washing, freezing and drying.

FAN L, GE D, DU J, LIU Z, CHENG Z, XING C