国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC B01D053/86（5）
发明人
公开年 2021（5）
申请年 2020（2）  2021（2） 
专利权人

Preparing selective catalytic reduction denitration catalyst comprises e.g. dissolving neutralized slag by rare earth oxalic acid wastewater by sulfuric acid, depositing, converting, and adding concentrated sulfuric acid.

TONG Z, WANG F, ZHAO Z, WANG W, WANG Y, WANG S

Preparation of low temperature selective catalytic reduction activity modified filter material comprises preparing zirconium-manganese-iron oxide loaded on reduced graphene oxide and combining with e.g. polyphenylene sulfide fiber.

ZHENG Y, ZHOU M

Nano-silver odor-removing formaldehyde composition comprises a loaded aerogel surface doped with nitrogen.

CUI Q

Preparing carbon materials rich in topological defects by high-temperature ammonia treatment used as catalyst for electrochemical reduction of carbon dioxide, involves using nitrogen-doped carbon material as precursor.

CHEN L, DONG Y, SU J, ZHANG Q, YANG Y, WU K, HU J

Environmentally-friendly high-efficiency composite photocatalyst used for decomposing pollutants, comprises activated carbon, silica, titanium dioxide, graphene, thinner and absolute ethanol.

HUANG C, LI X, ZHOU X