国家/地区 中国（2）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D046/00（4）
发明人
公开年 2023（4）
申请年 2022（3） 
专利权人

Industrial waste steam filtering, separating, and purifying device for use in steel, colored, chemical industry, comprises steam collecting tank body and steam purifying body comprising waste heat recycling device, filtering condensing device and capillary absorbing device.

LI F, LI Y

Combination of nanoparticles applied onto mask filtration system for filtering airborne pollutants comprising PM2.5 and aerosolized virus particles of severe acute respiratory syndrome-coronavirus disease, comprises graphene, titanium dioxide, zinc oxide, copper oxide, silicon dioxide, and solvent.

NAG I

Air purifier for use in e.g. vehicles, has foreign matter filter unit, photocatalyst filter unit and driving device for inflow and discharge of air, where photocatalytic filters are arranged around light source unit.

HWAN K J, KIM K D, PARKJUNGHOON, HWANG J Y

Preparation of graphene filter material involves mixing crystalline graphite and concentrated sulfuric acid, adding obtained solution to solution of potassium permanganate and nano-silver, placing obtained substance in sodium dodecylsulfonate, and modifying porous carrier with obtained solution.

SUN F, GAO L, QIAO Z, ZHANG C, LIU Y