国家/地区 中国（5）
IPC部 B（5） C（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC B01D067/00（3） B01D069/10（2）
发明人
公开年 2022（5）
申请年 2022（5）
专利权人

Waste plastic hydrothermal coupling cascade catalytic system used for preparation of monocyclic aromatic hydrocarbon, comprises high temperature bearing reaction kettle body and ribbon type stirrer which allow material to enter hydro-thermal batch processing device through material inlet.

YU J, WANG S, WU K, WANG Y, ZHANG H

Anti-crystallization vehicle urea comprises high-purity urea, crystallization inhibitor, acetylene glycol surfactant, 2,6-di-tert-butyl-p-cresol, cold-resistant agent and high-purity water.

YE T

Graphene oxide separation membrane used for separating ethylene-ethane mixed gas, comprises selective separation layer and support layer, where selective separation layer includes graphene oxide nano-sheets, and also includes nano-cluster formed by silver ion and polyelectrolyte between nano-sheet.

JIN W, CHENG L, LIU G

Preparation of p-nitrophenol comprising adding p-nitrochlorobenzene and aqueous sodium hydroxide solution, stirring, raising temperature, adding sulfuric acid solution to obtain reaction solution, separating oil layer by oil-water separation and subjecting oil layer to ultrafiltration.

CAO M, YAO X, XIONG G, HUANG Z, GUO X, CHEN Y, CHEN B

Continuously producing silazane comprises adding normal-hexane, saturating and passing ammonia gas, dripping trimethylsilyl chloride, adding reaction solution into sodium hydroxide aqueous solution, washing obtained upper layer liquid with hot water and separating organic layer.

ZHANG W