国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（3）
IPC小类 B01J（3）
IPC B01J020/30（2） C02F001/28（2）
发明人 ZHANG Z（3）
公开年 2015（3）
申请年 2015（2） 
专利权人

Preparation of graphene/montmorillonite nano composite material for treating heavy metal-containing wastewater, involves mixing montmorillonite suspension and cetyltrimethylammonium bromide, and milling black flocculant precipitate.

LUO H, ZHANG Z

Graphene/chitosan/cuprous oxide composite material used in preparation of visible-light-induced photocatalyst used for organic wastewater treatment, comprises graphene, chitosan, and cuprous oxide, in specified weight ratio.

CAI L, HE L, WANG M, ZHANG Z, ZHANG S, ZHANG H, DONG H, PENG D, YANG Y, FANG S

Preparing arsenic fluorine resin used for purifying groundwater involves adding titanium dioxide particles to water to obtain suspension of titanium dioxide to which mixture of graphene oxide, acetic acid and chitosan is added dropwise.

LI J, ZHANG Z