国家/地区 中国（13） 印度（2）
IPC部 B（15）
IPC大类 B01（15）
IPC小类 B01J（15）
IPC C02F001/28（15）
发明人 WANG Y（2） ZHANG Y（2）
公开年 2023（15）
申请年 2022（9）  2023（4）  2021（2） 
专利权人 CHINA PETROL.（2）

Graphene nano-mineral material for water treatment, comprises graphene, nano mineral, coagulant aid, acidic salt and ferric trichloride, where graphene nano-mineral material further comprises outer packaging for containing graphene, nano mineral and coagulant aid.

JIANG L, WANG L, YUAN J, SONG P

Preparation of carboxyl graphene oxide/metal-organic frameworks composite material for absorbing heavy metal ion e.g. lead (II) in water, involves carboxylating graphene oxide, placing activated metal-organic frameworks material and carboxylated product in organic solvent, reacting, and drying.

XU R, WEI G, DIAO S, XIE Z, LI M

Nanomaterial used for selectively adsorbing lead ion, comprises nanoparticle core, polydopamine coating layer and phosphoramidate compound modified layer.

ZHENG C, YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Preparing sewage treatment agent for heavy metal treatment, comprises dispersing aminated magnetic graphene oxide in distilled water, adding glutaraldehyde solution, adding amino-terminated hyperbranched polymer after ultrasonic treatment, stirring, centrifuging, precipitating, washing, and drying.

XUE J, ZHANG Y, TENG J, CHENG Y

Preparing nano-magnetic graphene oxide-polyaniline composite material used to adsorption and purification of heavy metal ions and organic dyes, involves taking magnetic graphene oxide, adding aniline and hydrochloric acid, stirring ultrasonically, and controlling mixing temperature.

DONG L, GUO G, ZHANG R, QU S, WANG Y

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

Purifying water using graphene-based composite material comprises e.g. preparing graphene oxide using improved Hummers method, preparing additive material bismuth tungstate, preparing additive material organic aluminum silicate, organizing aluminum silicate, and preparing magnetic graphene oxide.

MA R

Graphene oxide composite hydrogel used for adsorbing heavy metals, is made of graphene oxide, polyethylene glycol-containing hyperbranched polyester copolymer and poly(trans-4-carbonyl-4-(thiophene-2-yl)but-2-enoic acid).

XU C, HUA M, ZENG L

Violuric acid functionalized reduced graphene oxide based nanocomposite adsorbent for removing heavy metals, has size in specified range that helps in maximum removal of heavy metals like mercury, arsenic, and lead in desired contact time.

DAS S, RAJ S, DAS T, MAL S, KUMAR R, KUMAR P

Preparing modified coal gangue adsorbent in wastewater treatment, by calcining coal gangue and acidifying, using anhydrous ethanol as solvent, using water as solvent, adding graphene oxide, stirring, adding silanized gangue, stirring, activating arginine, and adding gangue/graphene oxide.

LAI Y, DENG X, HUANG Q, LIU Q, ZHU G, XIAO Y, CAI Z, ZHONG C, WU J, CAI J, LUO T