国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J037/03（2）
发明人 LIU J（2）
公开年 2021（2）
申请年
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

Preparation of methanation catalyst involves preparing catalyst powder using e.g. nano thermally conductive material, adding lubricants, forming aids, and structure aids, ball milling, sieving, slicing, curing and calcining.

ZHANG D, LU W, LIU J, HU Y, LV Q, XIA W