国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2） C02（2）
IPC小类 B01D（2）
IPC
发明人 JI C（2）
公开年 2021（2）
申请年 2021（2） 
专利权人

Treating gold smelting wastewater by quality comprises e.g. mixing impurity-removing and reduction waste water in acid waste water, supplementing treatment of electrolyzed water in alkaline wastewater, returning fresh water to production system, and using desalinated water as supplementary water.

QIU J, LAI B, JI C, WU Z, WU W, SUN G, LIN F

Low energy consumption film distillation system used for sewage treatment, seawater and brackish water desalination, comprises feeding tank, water producing tank, and hollow fiber membrane group.

WANG K, SU J, JI C