国家/地区
IPC部 B（4）
IPC大类 B01（4） F01（3）
IPC小类 B01D（4）
IPC B01D053/94（4）
发明人
公开年 2021（3）
申请年 2020（4）
专利权人

Method for removing residual chlorine from inorganic substances for nitrogen oxide reduction catalyst comprises heat treating inorganic substance under ammonia atmosphere.

HEO I J, KIM S M, KOH E Y, IL K S

Water purification device used to remove water contaminants e.g. arsenic, pathogen, and bacteria, comprises housing comprising base, side walls and top wall, and first, second, third and fourth layers.

JINDAL H, SANDHU I S, CHITKARA M, PANDA S N

Diesel engine catalytic particle catcher coated with cerium-zirconium-potassium complex/reduced graphene oxide nano solid solution catalyst comprises filter housing and filter element comprising substrate and catalyst.

LI Y, WU G

Selective catalytic reduction catalyst composition, used for emission treatment system for treating flow of combustion exhaust gas, comprises selective catalytic reduction catalyst and binder comprising porous inorganic material.

BAUER J, DOTZEL R, MUENCH J W, PUROVA R, SCHWIEGER W, SELVAM T, SHAHID A