国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC
发明人 WU C（2）
公开年 2022（2）
申请年
专利权人

Preparing paraquat by mixing pyridine and methanol, dripping methyl chloride, carrying out pyridine alkylation reaction and dimerization reaction, removing impurities, adding beating water, acid solution, homogeneous catalyst, feeding liquid chlorine, reacting, filtering and separating catalyst.

HUO M, FU S, WU C, ZHANG L, ZHANG Z, YU J

Ultra-efficient full spectrum photo-thermal conversion composite material useful for sewage treatment comprises composite material compounded by large groups consisting of tungsten oxide, titanium oxide, carbon-containing material, or group consisting of iron oxide, and noble metal group.

TESSEMA A A, NAHIM S, WU C