国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J020/24（3）
发明人
公开年
申请年
专利权人

Preparing multifunctional graphene oxide-chitosan composite sponge useful in oil-water separation comprises e.g. preparing graphene oxide nano sheets by Hummer method and mixing the graphene oxide solution to prepare chitosan solution.

GONG X, JIANG Y, TIAN M

Preparation method of graphene composite foam for separating oil and water, involves preparing graphene oxide aqueous solution, and ultrasonically dispersing to form graphene oxide dispersion liquid, adding with dopamine and dispersing.

LI X, LV Q, CAO N, LIN X, SUN J

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