国家/地区 中国（8）
IPC部 B（8） A（2） D（2）
IPC大类 B01（8） D01（2）
IPC小类 B01D（8）
IPC B01D039/20（8）
发明人
公开年 2022（4） 2023（4）
申请年 2022（8）
专利权人

Purifying agent used in industrial waste water treatment includes modified mixed flocculant including sodium hydroxide, sodium sulfide, polyferric sulfate, sodium polystyrene sulfonate and composite activated carbon filter element including activated carbon powder, and graphene oxide.

ZHANG K, ZHENG X, QIAO J, ZHAO Z, YANG X, LIN X, LIU F, LIU Y

Graphene filter plate, has substrate formed with filter hole, where graphene filter unit covers filter hole, and filtering unit is provided with filtering part and connecting part, filtering part located at inner side of connecting part.

YU F, YI J, JU Y, WANG D, WANG W

Composite porous ceramic filter material with long-term antimicrobial effect, obtained by coating inorganic coating layer on surface of porous ceramic filter material substrate.

ZHU C, ZOU X

Industrial graphene filter core, has fixed top part plate fixedly connected with elastic cloth, and movable top plate whose inner wall is provided with through hole, where bottom part of movable plate is connected with filter core.

LIN B

Preparing renewable antibacterial effect degradable nanofiber mask filter core comprises preparing graphene oxide-halamine composite antibacterial nanofiber membrane, and combining with substrate prepared from polylactic acid ultra-diluted spinning solution, and ultrasonic compounding.

HE J, SHAO W, LI X, ZHANG J, SU X, LI B, ZHAO X

Composite structure filter felt used for household vacuum cleaner air purifier, has base cloth that is composed of multiple groups of stretch-proof fiber, and multiple groups are woven in staggered way.

YANG J

Graphene cigarette filter tip, has cigarette fixing device whose bottom part is connected with graphene filtering device top part, where bottom part of graphene filter device is connected to filter tip device bottom part by inserting hole connecting piece.

YU Z, PAN D

Graphene filter core material comprises polyacrylonitrile electrospinning fiber including polyacrylonitrile and graphene antibacterial composite material composed of graphene oxide-supported silver particle composite material and/or quaternized graphene composite material.

ZHANG W