国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01D（2）
IPC C02F009/10（2）
发明人
公开年 2018（2）
申请年
专利权人

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

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