国家/地区 中国（3）
IPC部 C（3）
IPC大类 C02（3）
IPC小类 C02F（3） C04B（3）
IPC C04B033/13（3）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Processing sludge involves mixing citric acid, urea and boric acid, heating and reacting at constant temperature, cooling, purifying, adding boron-nitrogen co-doped graphene nanoparticle solution to surface of anode substrate, and drying.

WEN D, ZHOU Y

Method for preparing negative pollution-resistant ceramic film used in e.g. drinking water purification, involves mixing dopamine and negatively-charged nano-additives, stirring, filtering, vacuum drying, kneading ceramic membrane blend and subjecting mud material to gradient heating and sintering.

XU Y, WANG K, CHENG X, LI J, ZHANG Y, MA J

Ceramic filter membrane used in sewage treatment applications, has porous ceramic substrate comprising carclazyte, zeolite powder, graphene, mica powder, corn powder, green mud stone and activated carbon fiber.

LAI Q, LI C, LIANG W