国家/地区 中国（11）
IPC部 C（11） B（7）
IPC大类 C02（11） B01（7） C01（3）
IPC小类 C02F（11） B01J（5） B01D（2）
C01B（2）
IPC C02F103/34（11）
发明人 LI X（2） ZHANG J（2）
公开年 2022（9） 2023（2）
申请年 2022（11）
专利权人

Zero-discharge treatment method for full resource utilization of waste acid in graphene production by e.g. adjusting supernatant pH to neutral by adding sulfuric acid, evaporating and concentrating by mechanical vapor recompression, crystallizing to obtain potassium sulfate, recycling water.

FENG X, FENG J, XIAO L, FENG S

Device used for extracting graphene, consists of stirring tank connected with feed tank and water tank, circulation pump connected to side of stirring tank through pipeline, pneumatic diaphragm pump, pressure filter device, oxidation catalytic device and filter device.

ZHAN Z

Preparing composite catalyst used for degrading organic matter comprising terramycin, involves reacting manganese source, cobalt source, dopamine and graphene oxides by hydrothermal method, calcining to obtain 3D-structure loaded with cobalt manganese oxide, N-doped reducing graphene oxide aerogel.

REN F, WANG Y, WANG C, YANG H, QU Y, TANG X, ZHU H, DING Y

Method of constructing honeycomb-shaped film based on two-dimensional nanosheet used in the treatment of organic waste liquid, involves mixing superhydrophobic polymer solution and the two-dimensional nanosheet dispersion uniformly, and depositing on the porous substrate film.

GU J, ZHANG S, LI X, LI Y, SHAO H, RAN J

Industrial water purifying agent useful for coal coking wastewater treatment, comprises modified hydrated ceric oxide nanoparticle, magnetic nanoparticle and graphene oxide.

TAN C

Electrocatalysis efficient hydrogen peroxide generating electrode used in integrated device, comprises spherical structure provided with gas diffusion layer, stainless steel net, catalytic layer, and stainless steel outer edge.

TAO L, ZHANG J, MA H, YU F

Preparing iron phosphide/iron single-atom Fenton-like photocatalyst useful for treating tetracycline antibiotic wastewater, comprises e.g. adding aqueous solution of ferric nitrate nonahydrate in graphene oxide, mixing iron phosphide and iron single atom and dissolving in water, and freeze-drying.

ZOU J, ZHANG K, LIU Z, DENG Y, LI X, WANG Z

Preparing graphene oxide comprises e.g. mixing natural graphite powder and concentrated sulfuric acid, adding potassium permanganate to ice-water bath, stirring with polytetrafluoroethylene, performing high-temperature reaction, adding hydrogen peroxide, filtering, stirring and dispersing.

JIN G, SHEN K, LV X, WANG H, JIA Y

Preparing graphite type carbon nitride/nitrogen-doped graphene/bismuth vanadate Z type photocatalyst comprises e.g. dissolving graphite-type carbon nitride/nitrogen-doped graphene in N,N-dimethylformamide, ultrasonically dispersing, adding bismuth vanadate, and carrying ultrasonic treatment.

MA Y, OUYANG J, WU T, LIU C, PENG X, ZHANG J, ZENG S, LI R

Oxidized graphene waste acid waste water processing device comprises pulping tank, waste acid tank for storing waste acid generated in production process of oxidation graphene, first reaction kettle, first press filter, and second filter press.

HAN H, GONG W, CAO A, LIU T, WANG W, HOU S, SONG X