国家/地区 中国（2）
IPC部 C（2）
IPC大类 C02（2）
IPC小类 C02F（2）
IPC C02F009/14（2）
发明人 ZHU C（2）
公开年
申请年 2020（2） 
专利权人

High chemical oxygen demand lead-zinc industrial wastewater treatment system comprises pretreatment tank connected to collection tank and first dosing device, and primary sedimentation tank connected with pretreatment tank.

LI J, TU F, ZHANG X, HUANG J, LI H, ZHU C, OU Y, HUANG G

Biological filtration device comprises outer cylinder and inner cylinder made up of transparent material and filled with polyether polyurethane-graphene oxide complex foam, light source set in the annular cavity, and water inlet pipe.

ZHU C, YU Y, YUE D, MA H, HAO Y, WANG Q