国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J037/03（3）
发明人 WANG Z（3）
公开年 2021（2）
申请年 2021（2） 
专利权人

Degradation of chemical oxygen demand comprises adjusting pH value of wastewater with acid or alkali, adding photocatalyst titanium dioxide-graphene oxide-multi-wall carbon nanotube three-dimensional composite material, and irradiating.

LIU J, BIAN Z, HOU X, WANG Z, QI B, LU C, ZHAO K, DENG Y, LU J, ZHAO H

Preparing nanocomposite material with high photocatalytic efficiency involves using improved Hummers method to prepare graphene oxide, first pre-oxidizing graphite, using concentrated sulfuric acid and potassium permanganate as oxidants.

WANG Z, LIU G, ZOU C, TIAN C, SONG D

Preparation of graphene oxide quantum dots (GOQD)/titania/silver photocatalyst for wastewater treatment, involves hydrothermally treating mixture obtained using e.g. silver nitrate, butyl titanate and GOQD obtained using e.g. graphene oxide.

LU J, ZHANG H, WANG X, LI N, WANG Z