国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J020/26（2）
发明人
公开年
申请年 2013（2）
专利权人

Amphoteric cellulose-based composite material used for e.g. absorbing oil and heavy metal ion in organic wastewater, is obtained by mixing quaternary ammonium sulfonated cellulose, graphene oxide and chitosan, and freeze-drying mixture.

CHEN Y, LIN H, XIONG J, SU G

Preparation of graphene oxide-polyurethane foaming material for absorbing heavy metal ion from wastewater, involves preparing oxidized graphite alkene using Hummers method, adding polyether glycol, foam stabilizer and catalyst.

YANG D, QIU F, QIN J, RONG X