国家/地区 中国（13）
IPC部 B（13） C（13） D（3）
IPC大类 B01（13） C02（13） C08（3）
D01（3）
IPC小类 B01D（13）
IPC C02F101/20（13）
发明人 LI Z（2） QIU J（2） WANG S（2）
公开年 2021（8） 2022（5）
申请年 2021（13）
专利权人

Porous separation membrane with adsorption performance used in e.g. water pollution monitoring, comprises polymer layer and optional support layer, where surface and interior of polymer layer are three-dimensional fiber structures and adsorbent is dispersed in polymer layer.

YU H, ZHANG Y, PAN G, ZHU X, LIU Y

Preparation of graphene oxide modified composite nano-filtration membrane used for treating heavy metal waste water, involves mixing graphene oxide dispersion liquid and nano-particle dispersion liquid, ultrasonically reacting, immersing membrane in dopamine solution, cleaning and drying.

WANG S, GUO X, LIU J, WANG J, ZHAO Y, JI Z, YUAN J, FEI L, ZHOU J, LI F

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

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

Treating gold smelting wastewater by quality comprises e.g. mixing impurity-removing and reduction waste water in acid waste water, supplementing treatment of electrolyzed water in alkaline wastewater, returning fresh water to production system, and using desalinated water as supplementary water.

QIU J, LAI B, JI C, WU Z, WU W, SUN G, LIN F

Preparing composite fibre film comprises adding graphene oxide and dopamine hydrochloride, stirring, adding polyvinyl alcohol into deionized water, heating, adding cotton fibers into deionized water, electrostatic spinning, adding amino-terminated hyperbranched polymer and shaking.

WUMING

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

Preparing graphene oxide grafted polyacrylonitrile fiber heavy metal adsorption film comprises e.g. ultrasonically dispersing graphene oxide and chloropropyltriethoxysilane, performing constant temperature reaction and electrospinning.

LI Z

Collecting and processing high temperature condensed water for petroleum refining by collecting, conveying steam containing hydrogen sulfide to condenser, condensing steam, and injecting condensed liquid stream into reaction tank.

HU B