国家/地区 韩国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J023/46（3）
发明人 HEO I J（3） KIM S M（3） KIM S J（2）
KIM Y J（2） LEE J H（2） YOU Y（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 KOREA RES IN.（3）

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

Removing residual chlorine in inorganic material used for producing selective catalytic reduction (SCR) catalyst for reducing nitrogen oxides, by heat-treating inorganic material in gas atmosphere containing moisture or soaking inorganic material in base solution, filtering, and drying.

KIM S M, HEO I, CHANG T S, YOU Y W, LEE J H, KIM S J, KIM Y J, HEO I J, JUNGYUNHO, PARK J H, KIM S G, YOU Y

Preparing ruthenium and iridium-based catalyst involves using ruthenium and iridium metal salts without containing chlorine, supporting ruthenium and iridium on support, and then drying and heat-treating.

KIM S M, HEO I J, LEE J H, YOU Y, KIM S J, KIM Y J