国家/地区
IPC部 B（3）
IPC大类 B01（3） E03（2）
IPC小类 B01D（3）
IPC B01D046/00（2） B01D053/86（2）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Mobile public toilet exhaust purifying device, has connecting mechanisms inserted with primary filter screen from front to back, and top side wall of purifying frame located between suction fan and graphene catalyst net.

ZHANG X, ZHANG M, SUN A

Manufacturing filter for purifying gases, such as air, from microbial pollutants by applying liquid cement coating containing titanium dioxide particles on porous ceramic filter, drying, soaking in water, drying and exposing to radiation.

WITKOWSKI H, DYTRYCH W, JAROSLAWSKI J

High-efficiency non-point pollution reduction facility comprises pre-treatment tank, filtration tank, drain tank, backwashing unit, first filter media unit for purifying raw water, and second filter medium unit for secondary purification of raw water.

JANG E