国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类
IPC小类
IPC
发明人 GENG H（2）
公开年 2023（2）
申请年
专利权人

Preparing catalyst for recycling waste polyurethane comprises e.g. preparing mesoporous graphene phase carbon nitride as carrier, and adding carrier and alkali metal reagent and iron salt reagent to ethanol for period of time, vacuumizing, filtering and drying to obtain catalyst.

HUA W, ZHANG H, WANG Y, GAO Z, XIAO Y, WANG W, GENG H, ZHANG J

Processing corrosion resistant layer of water pump body useful for transmitting water liquid comprises e.g. using clean water to wash inner and outer sides of pump body, for removing dust and impurities on inner and external surfaces of pump body and using spray gun to sand blasting and roughening.

DONG K, GENG H, LI G, FENG Y, FENG J