国家/地区 中国（10）
IPC部 B（10）
IPC大类 B01（10）
IPC小类 B01J（10）
IPC C02F001/28（10）
发明人 ZHANG L（10）
公开年 2021（3） 2018（2） 2020（2）
申请年 2021（5）  2018（2）  2019（2） 
专利权人

Adsorbent useful for recycling noble metal, comprises nitrogen-doped graphene-silicon dioxide hybrid material, where the nitrogen-doped graphene- silicon dioxide hybrid material includes nitrogen doped-silicon dioxide graphene material.

ZHANG L, LIU J

Preparing magnetic nitrogen-doped graphene oxide-loaded biochar composite material used for adsorbing noble metal ions in aqueous solution, comprises washing rice straw with deionized water and then drying.

WANG G, ZHANG L, XU X, XUE W

Preparation of graphene oxide improved activated carbon used for adsorption and removal of heavy metal ions in water environment, involves preparing activated carbon powder, reacting with e.g. concentrated sulfuric acid, centrifuging, washing, performing solid-liquid separation, and drying.

ZHANG L, JIN X, SUN S, ZHANG S, QIAO Y, FANG X

Preparing carboxylated graphene oxide/polyethylenimine composite adsorbent used in water treatment, by preparing carboxylated graphene oxide, coupling polyethylenimine and diethylenetriaminepentaacetic acid to obtain coupling reaction product, and crosslinking with carboxylated graphene oxide.

ZHANG L, XI J, HE Z

Preparation of fluorescence adsorption material loaded with graphene quantum dot by adjusting pH of nitrogen-doped quantum dot solution, mixing with polyvinyl alcohol solution, adding citric acid solution, crosslinking, drying and curing.

YANG F, ZHANG L, ZHONG L

Preparing graphene resin useful as rhenium adsorbent in adsorption of trace rhenium, comprises mixing graphite oxide dispersion with sodium hydroxide, adding bromoacetic acid, reacting, then mixing with resin monomer, and reacting.

CHEN Z, FANG D, XIAO C, LI H, WANG Q, LI Q, LIU R, WANG L, CHENG Y, SONG Z, TIAN L, LV Q, XIONG Y, ZHANG L, DU Y

Magnetic bacterial pellet loaded with reduced graphene oxide comprises microsphere structure, which includes reduced graphene oxide-loaded aflatoxin mycelium balls wound around mycelium ball and iron oxide magnetic nanoparticles.

YU L, LI P, MA F, ZHANG L, YUE X, YIN N

Graphene oxide composite material preparation involves taking expanded graphite, concentrated sulfuric acid, potassium permanganate, polyacrylamide, and hydrogen peroxide in proportion.

LI Q, LI X, LI Y, LIN W, FENG J, ZHANG L

Magnetic nano adsorption material used in wastewater pollution treatment, comprises nano bentonite, aluminum oxide, quartz powder, nano nickel oxide, modified graphene oxide, polyurethane resin, dibutyl phthalate and medical gypsum powder.

ZHANG L, SONG W, YU H, LIU X, LI C, LI J

Three-dimensional graphene for absorbing heavy metal pollutant during groundwater treatment, contains self-assembled three-dimensional graphene and ethylenediamine-modified self-assembled three-dimensional graphene.

ZHANG L, ZHANG D, ZHAO Q, ZHANG Q