国家/地区 欧洲专利局（EPO）（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D061/14（2） B01J020/20（2） C02F001/28（2）
C02F001/44（2）
发明人
公开年 2022（3）
申请年 2021（3） 
专利权人

Treating starting liquid containing pollutants comprises adding graphene oxide to starting liquid so as to adsorb part of pollutants and causing pre-treated liquid to flow through porous membrane comprising hollow fibers.

MELUCCI M, PALERMO V, KOVTUN A, NAVACCHIA M L, BOCCHI L

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Sorbent useful in sorbent composition for removing perfluoroalkyl and polyfluoroalkyl substances e.g. perfluoroalkane sulfonic acid, perfluoroalkane sulfonamide or perfluoroalkyl acid from fluid, has iodine and molasses.

DISTEFANO R L, REBEKAEL D