国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01G（3）
IPC C02F009/10（3）
发明人 QIN Y（2）
公开年 2018（3）
申请年 2018（2） 
专利权人 GUANGXI NANN.（2）

Method of treating sodium raffinate wastewater involves carrying out adsorption treatment of clarified sodium chloride wastewater using modified graphene heavy metal adsorbent, adding pullulan to adsorb impurities, and centrifuging.

QIN Y

Method for co-processing sodium extraction wastewater and oxalic acid precipitation mother liquor involves clarifying sodium chloride water by reacting with modified graphene heavy metal adsorbent, crystallizing, centrifuging and recovering.

QIN Y

Graphene production wastewater processing system has pre-processing unit, filter unit with fine sand filter, and evaporation crystallization unit with sodium sulfate evaporated crystallizer and manganese sulfate evaporated crystallizer.

WU H, ZHAO K, ZHANG H, YANG J, GUO L