国家/地区 印度（6）
IPC部 B（6）
IPC大类 B01（6） C02（3）
IPC小类 B01D（6）
IPC B01D067/00（6）
发明人
公开年 2023（6）
申请年 2021（3）  2023（2） 
专利权人

Metal-doped graphene nanofiltration membrane used in various applications such as water purification, wastewater treatment, comprises graphene nanoparticle layer deposited with metal, porous support layer embedded with metal-doped graphene nanoparticle, membrane support layer, and transverse layer.

PUNETHA V D, KALPETIYA S

Preparing manganese oxide incited graphene quantum dots membrane involves dissolving graphene quantum dots in N-methyl-2-pyrrolidone with stirring for preparing thin film composite, and forming thin film composite forward osmosis membranes by spreading obtained suspension on fine glass plate.

JAIN H, GARG M C

In-situ particulate coating on hollow fiber membranes involves pumping homogeneous polymeric dope solution comprising polymeric material, a pore forming additive and solvent, pumping, uniform suspension of a bore solution, allowing fibers to be pulled through from a coagulation bath, and rinsing.

KUMARI P, BELLARE J

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

Synthesizing PSF (polysulfone) embedded graphene oxide-iron/manganese hybrid beads for removal of toxic metals from aqueous solution, involves synthesizing graphene oxide sheets by using definite amount of graphene oxide dissolved in ultrapure water and sonicating in specific characterizing speed.

BHATTACHARYA J, DAS B K, SINGH H, RAJ S

Hollow fiber ultrafiltration membrane for removal of heavy metals including arsenic, comprises polyphenylsulfone as base polymer, polyvinylpyrrolidone as pore-forming agent, and polyvinylpyrrolidone as hydrophilic polymer.

TODETI S R, NAYAK C M, KUMAR M, ISLOOR A M