国家/地区 中国（28）
IPC部 B（28）
IPC大类 B01（28）
IPC小类 B01J（28）
IPC B01J020/30（28）
发明人 ZHANG L（28）
公开年 2020（10） 2018（4） 2021（4） 2016（3） 2022（3）
申请年 2020（8）  2021（6）  2019（4）  2018（3）  2015（2）  2017（2） 
专利权人 UNIV BENGBU（2） UNIV CENT SO.（2）

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

Use of freeze-drying three-dimensional N-doped magnetic carbon material in extracting antibiotic, comprises placing three-dimensional N-doped magnetic carbon material in waste water, adding freeze drying three-dimensional N-doped magnetic carbon material, extracting and quickly separating.

ZHANG L, LI X, GAO J, LIU G, RAN M, MA M, XU X, WEI Q

Preparing patterned nitrogen-sulfur co-doped graphene aerogel, comprises ultrasonically dispersing graphene oxide into water, adding thiamine hydrochloride or rhodamine to graphene oxide dispersion, ultrasonically processing, freezing and drying.

XU C, ZHANG N, ZHONG H, ZHANG L, WEI K, SHENG Z

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 functionalized magnetic silica for water treatment, by adding ferroferric oxide nanoparticles to ethanol, adding ethyl orthosilicate and aqueous ammonia, reacting, adding amino functionalized magnetic silica and reacting.

LI Q, ZHANG L, WU Z

Preparation of palm nanofiber-graphene-carbon nanotube composite aerogel used for adsorbing e.g. heavy metal in wastewater by mixing palm fiber with ammonium persulfate solution, and oxidation reacting to obtain oxidized palm nanofiber.

CHEN G, ZHANG L, SUN K

Preparation of graphene oxide britannite composite used for dye adsorption includes reacting zinc sulfate heptahydrate and urea in water and adding graphene oxide dispersion.

ZHU X, ZUO B, ZHANG L