国家/地区 中国（16）
IPC部 B（16）
IPC大类 B01（16）
IPC小类 B01J（16）
IPC B01J020/20（16）
发明人 ZHANG L（16）
公开年 2020（4） 2018（3） 2022（3） 2021（2）
申请年 2020（4）  2021（4）  2017（2）  2018（2）  2019（2） 
专利权人 UNIV BENGBU（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 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 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

Water purification material comprises graphene, nano carbon fiber, activated white clay, functional sand, calcium stearate and sodium silicate.

ZHANG L, TANG Z, CHU X

Preparation of dilute sulfuric acid and graphene oxide co-doped modified titanium dioxide composite material used for degradation of tetracycline hydrochloride in waste water, by adding composite material with graphene oxide dispersion.

WANG S, WANG X, ZHANG L

Preparing graphene nitrogen-doped porous carbon material for supercapacitor and organic pollutant adsorption, by mixing melamine, polyvinylpyrrolidone and ammonium chloride, grinding to obtain mixture, and calcining in air atmosphere.

REN B, XU Y, WANG S, ZHANG L, LIU Z